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Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Unvested restricted stock awards, Ending balance (in dollars per share) Organization, Consolidation and Presentation of Financial Statements [Abstract] ORGANIZATION AND BASIS OF PRESENTATION Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Debt Disclosure [Abstract] Long-term Debt Schedule of Debt [Table Text Block] Aggregate scheduled maturities of debt Schedule of Maturities of Long-term Debt [Table Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] CONVERTIBLE NOTES DERIVATIVE LIABILITY Derivatives and Fair Value [Text Block] Assets Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Accounts receivable, net of allowances of $3,280 in 2017 and $3,245 in 2016 Accounts Receivable, Net, Current Prepaid expenses Prepaid Expense, Current Insurance recovery receivable Insurance Settlements Receivable, Current Other current assets Other Assets, Current Total current assets Assets, Current Property and equipment, net of accumulated depreciation of $45,364 in 2017 and $43,141 in 2016 Property, Plant and Equipment, Net Goodwill Goodwill Trade names, indefinite-lived Indefinite-Lived Trade Names Other intangible assets, net Finite-Lived Intangible Assets, Net Other non-current assets Other Assets, Noncurrent Total assets Assets Liabilities and Stockholders' Equity Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable and accrued expenses Accounts Payable and Other Accrued Liabilities, Current Accrued compensation and benefits Employee-related Liabilities, Current Other current liabilities Other Liabilities, Current Total current liabilities Liabilities, Current Long-term debt and capital lease obligations, less current portion Long-term Debt and Capital Lease Obligations Non-current deferred tax liabilities Deferred Tax Liabilities, Net, Noncurrent Long-term accrued claims Liability for Claims and Claims Adjustment Expense Contingent consideration Business Combination, Contingent Consideration, Liability, Noncurrent Other long-term liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies Commitments and Contingencies Stockholders' equity: Stockholders' Equity Attributable to Parent [Abstract] Common stock Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated deficit Retained Earnings (Accumulated Deficit) Total Cross Country Healthcare, Inc. stockholders' equity Stockholders' Equity Attributable to Parent Noncontrolling interest Stockholders' Equity Attributable to Noncontrolling Interest Total stockholders' equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total liabilities and stockholders' equity Liabilities and Equity Income Tax Disclosure [Abstract] INCOME TAXES Income Tax Disclosure [Text Block] Goodwill and Intangible Assets Disclosure [Abstract] GOODWILL, TRADE NAMES, AND OTHER INTANGIBLE ASSETS Goodwill and Intangible Assets Disclosure [Text Block] Fair Value Disclosures [Abstract] Fair Value 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Fiscal Year 2018 Capital Leases, Future Minimum Payments Due in Two Years 2019 Capital Leases, Future Minimum Payments Due in Three Years 2020 Capital Leases, Future Minimum Payments Due in Four Years 2021 Capital Leases, Future Minimum Payments Due in Five Years Total Capital Leases, Future Minimum Payments Due Segment Reporting [Abstract] Number of operating segments Number of Operating Segments Fair Value, Option, Quantitative Disclosures [Table] Fair Value, Option, Quantitative Disclosures [Table] Term Loan, Net [Member] Convertible Notes, Net [Member] Convertible Notes, Net [Member] Convertible Notes, Net [Member] Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Reported Value Measurement [Member] Reported Value Measurement [Member] Estimate of Fair Value Measurement [Member] Estimate of Fair Value Measurement [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Option, Quantitative Disclosures [Line Items] Fair Value, Option, Quantitative Disclosures [Line Items] Financial Liabilities, Carrying Amount Financial Liabilities, Fair Value 2017 Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year 2018 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2019 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2020 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2021 Finite-Lived Intangible Assets, Amortization Expense, Year Five Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five Intangible assets subject to amortization, net carrying amount DEBT Debt Disclosure [Text Block] FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] Debt Instrument, Redemption, Period One [Member] Debt Instrument, Redemption, Period One [Member] Debt Instrument, Redemption, Period Two [Member] Debt Instrument, Redemption, Period Two [Member] Debt Instrument, Redemption, Period Three [Member] Debt Instrument, Redemption, Period Three [Member] Fiscal Quarters Ending September 30, 2016 through June 30, 2017 [Member] Fiscal Quarters Ending September 30, 2016 through June 30, 2017 [Member] Fiscal Quarters Ending September 30, 2016 through June 30, 2017 [Member] First Lien Loan Agreement [Member] First Lien Loan Agreement [Member] First Lien Loan Agreement [Member] Second Lien Term Loan [Member] Second Lien Term Loan [Member] Second Lien Term Loan [Member] Credit Agreement [Member] Credit Agreement [Member] Credit Agreement [Member] LIBOR [Member] Minimum [Member] Minimum [Member] Subordinated Debt [Member] Subordinated Debt [Member] Senior Debt [Member] Credit facility maximum borrowing capacity Borrowing availability as percentage of commitments Borrowing Availability As Percentage Of Commitments Subfacility for swingline loans maximum borrowing percentage of aggregate revolver commitments. Line of credit, subfacility for standby letters of credit Line Of Credit Facility Sub Limit For Letters Of Credit Line of credit, subfacility for standby letters of credit. 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Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Interest Rate Debt Instrument, Interest Rate, Stated Percentage Schedule of Goodwill [Table] Schedule of Goodwill [Table] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Nurse And Allied Staffing [Member] Nurse And Allied Staffing [Member] Nurse and allied staffing [Member] Physician Staffing [Member] Physician Staffing [Member] Physician staffing [Member] Other Human Capital Management Services [Member] Other Human Capital Management Services [Member] Other human capital management services [Member] Goodwill [Line Items] Goodwill [Line Items] Goodwill COMPREHENSIVE INCOME (LOSS) Comprehensive Income (Loss) Note [Text Block] Acquired Intangible Assets Schedule of Intangible Assets and Goodwill [Table Text Block] Estimated Annual Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Changes in Carrying Amount of Goodwill Schedule of Goodwill [Table Text Block] New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Accumulated Deficit [Member] Retained Earnings [Member] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2016-09, Forfeiture Rate Component [Member] Accounting Standards Update 2016-09, Forfeiture Rate Component [Member] Accounting Standards Update 2016-09, Forfeiture Rate Component [Member] Accounting Standards Update 2016-09 [Member] Accounting Standards Update 2016-09 [Member] Accounting Standards Update 2016-09 [Member] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Deferred tax assets Deferred Tax Assets, Gross Valuation allowance Deferred Tax Assets, Valuation Allowance Cumulative effect adjustment Cumulative Effect of New Accounting Principle in Period of Adoption Share-based compensation Allocated Share-based Compensation Expense Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table] Business Segments Segments [Domain] Nurse and allied staffing [Member] Physician staffing [Member] Other human capital management services [Member] Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] Revenues Contribution income Operating Income Loss Before Depreciation Amortization Acquisition and Integration Cost Contingent Consideration Impairment Charge And Corporate Expenses Operating Income Loss Before Depreciation Amortization Acquisition and Integration Cost Contingent Consideration Impairment Charge And Corporate Expenses Unallocated corporate overhead Segment Reporting Unallocated Corporate Expenses Segment Reporting Unallocated Corporate Expenses Income (loss) from operations Related Party Transactions [Abstract] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] InteliStaf [Member] Corporate Joint Venture [Member] Affiliated Entity [Member] Affiliated Entity [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Revenue from related parties Revenue from Related Parties Accounts receivable Accounts Receivable, Related Parties Joint venture, percent ownership Joint Venture, Percent Ownership Joint Venture, Percent Ownership Receivable balance with joint venture Due from Joint Ventures, Current Payable balance with joint venture Due to Related Parties, Current Rent expense Payments for Rent Fair Value Measurement [Table] Fair Value Measurement [Table] Fair Value Measurement [Table] Fair Value Measurement [Line Items] Fair Value Measurement [Line Items] Fair Value Measurement [Line Items] Threshold period, past due for payment of services provided Threshold Period, Past Due for Payment of Services Provided Threshold Period, Past Due for Payment of Services Provided Document and Entity Information [Abstract] Document and Entity Information [Abstract] Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Common Stock [Member] Common Stock [Member] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Omnibus Plan [Member] Omnibus Plan [Member] Omnibus Plan [Member] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Selling, General and Administrative Expenses [Member] Selling, General and Administrative Expenses [Member] Common shares left remaining to repurchase under the plan (up to) Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased Stock repurchase program, authorized amount (up to) Stock Repurchase Program, Authorized Amount Number of shares of common stock outstanding Common Stock, Shares, Outstanding Shares issued (in shares) Debt Conversion, Converted Instrument, Shares Issued Additional shares available for grant (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized Aggregate share reserve (up to) Common Stock, Capital Shares Reserved for Future Issuance Vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Level of performance attained and approved (percent) Share-based Compensation Arrangement by Share-based Payment Award, Level of Performance Attained, Percentage Share-based Compensation Arrangement by Share-based Payment Award, Level of Performance Attained, Percentage Shares issued in period Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period Share-based compensation Vested in period, net (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Net Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Net Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Trade names [Member] Trade Names [Member] Customer Relationships [Member] Customer Relationships [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Goodwill impairment charge Goodwill, Impairment Loss Impairment of intangibles indefinite lived Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) Impairment of intangibles finite lived Impairment of Intangible Assets, Finite-lived Common stock, par value (in usd per share) Common Stock, Par or Stated Value Per Share Payment of debt and extinguishment fees Payments For Debt Extinguishment Costs And Repayment Of Long Term Debt Payments For Debt Extinguishment Costs And 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Ratio Consolidated Net Leverage Ratio Commitment fee percentage Line of Credit Facility, Commitment Fee Percentage SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Schedule Of Indefinite Lived And Finite Lived Intangible Assets [Table] Schedule Of Indefinite Lived And Finite Lived Intangible Assets [Table] Schedule Of Indefinite Lived And Finite Lived Intangible Assets [Table] Database [Member] Database Rights [Member] Noncompete Agreements [Member] Noncompete Agreements [Member] Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] Finite Lived And Indefinite Lived Intangible Assets [Line Items] Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Trade names Total intangible assets, net Intangible Assets, Net (Excluding Goodwill) New Accounting Pronouncements and Changes in Accounting Principles [Abstract] RECENT ACCOUNTING PRONOUNCEMENTS New Accounting Pronouncements and Changes in Accounting Principles [Text Block] SUBSEQUENT EVENTS Subsequent Events [Text Block] Information on Operating Segments and Reconciliation to Loss From Operations Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] RELATED PARTY TRANSACTIONS Related Party Transactions Disclosure [Text Block] Statement of Comprehensive Income [Abstract] Consolidated net income (loss) Other comprehensive income (loss), before income tax: Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent [Abstract] Unrealized foreign currency translation gain (loss) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Portion Attributable to Parent Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive income (loss) attributable to common shareholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent Commitments and Contingencies Disclosure [Abstract] COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Contingent Consideration Liabilities [Member] Contingent Consideration Liability [Member] Contingent Consideration Liability [Member] Convertible Notes Derivative Liability [Member] Derivative Financial Instruments, Liabilities [Member] Fair Value Assets Measures on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Convertible Note Derivative Liability Fair Value, 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discount and debt issuance costs Amortization of Debt Issuance Costs Provision for allowances Provision for Doubtful Accounts and Other Allowances Provision for Doubtful Accounts and Other Allowances Deferred income tax expense Deferred Income Tax Expense (Benefit) Gain on derivative liability Acquisition-related contingent consideration Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Loss on early extinguishment of debt Equity compensation Share-based Compensation Other non-cash costs Other Noncash Expense Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Prepaid expenses and other assets Increase (Decrease) in Other Operating Assets Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Other liabilities Increase (Decrease) in Other Operating Liabilities Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Acquisition-related settlements Payments to Acquire Businesses, Gross Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Debt issuance costs Payments of Debt Issuance Costs Repayments of debt Extinguishment fees Other Proceeds from (Payments for) Other Financing Activities Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash Effect of Exchange Rate on Cash and Cash Equivalents Change in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period SEGMENT DATA Segment Reporting Disclosure [Text Block] Effective tax rate (percentage) Effective Income Tax Rate Reconciliation, Percent Effective income tax rate continuing operations excluding discrete items (percentage) Effective Income Tax Rate, Continuing Operations, Excluding Discrete Items Effective Income Tax Rate Continuing Operations Excluding Discrete Items Unrecognized tax benefits Unrecognized Tax Benefits Unrecognized tax benefits that would impact effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Gross increase to current year unrecognized tax benefits related to federal and state tax issues Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Loss on currency fluctuations Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Income tax impact related to foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax First Eight Installments [Member] First Eight Installments [Member] First Eight Installments [Member] Contingent Consideration by Type [Axis] Contingent Consideration by Type [Axis] Contingent Consideration Type [Domain] Contingent Consideration Type [Domain] Deferred Consideration Transferred [Member] Deferred Consideration Transferred [Member] Deferred Consideration Transferred [Member] Incremental Term Loan [Member] Incremental Term Loan [Member] Incremental Term Loan [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Advantage RN, LLC [Member] Advantage RN, LLC [Member] Advantage RN, LLC [Member] Total purchase price Business Combination, Consideration Transferred Payment for acquisition, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Acquisitions related fees and expenses Escrow payment related to tax liabilities Payments To Acquire Businesses, Escrow, Portion Related To Tax Liabilities Payments To Acquire Businesses, Escrow, Portion Related To Tax Liabilities Escrow payment related to post-close liabilities Payments To Acquire Businesses, Escrow, Portion Related To Post-Close Liabilities Payments To Acquire Businesses, Escrow, Portion Related To Post-Close Liabilities Release of escrow to seller Business Combination, Escrow Deposit Release Business Combination, Escrow Deposit Release Escrow deposit related to tax liabilities Business Combination, Escrow Deposit Related To Tax Liabilities Business Combination, Escrow Deposit Related To Tax Liabilities Net working capital adjustment Business Combination, Consideration Transferred, Net Working Capital Adjustment Business Combination, Consideration Transferred, Net Working Capital Adjustment Contingent liability Number of months contingent liability due to seller (in months) Business Combination, Contingent Consideration Liability, Period Liability Is Due Business Combination, Contingent Consideration Liability, Period Liability Is Due Net income (loss) attributable to common shareholders - Basic Net Income (Loss) Available to Common Stockholders, Basic Interest on Convertible Notes Interest on Convertible Debt, Net of Tax Net income (loss) attributable to common shareholders - Diluted Net Income (Loss) Available to Common Stockholders, Diluted Weighted average common shares - Basic Effective of diluted shares: Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract] Share-based awards (shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Convertible Notes (shares) Diluted weighted average common shares outstanding (shares) Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Forecast [Member] Scenario, Forecast [Member] Potential Earnout, Attainment of Specific Performance Criteria in 2016 [Member] Potential Earnout, Attainment of Specific Performance Criteria in 2016 [Member] Potential Earnout, Attainment of Specific Performance Criteria in 2016 [Member] Potential Earnout, Attainment of Specific Performance Criteria in 2017 [Member] Potential Earnout, Attainment of Specific Performance Criteria in 2017 [Member] Potential Earnout, Attainment of Specific Performance Criteria in 2017 [Member] Potential Earnout [Member] Potential Earnout [Member] Potential Earnout [Member] Assumed Additional Contingent Purchase Price Liabilities [Member] Assumed Additional Contingent Purchase Price Liabilities [Member] Assumed Additional Contingent Purchase Price Liabilities [Member] Mediscan [Member] Mediscan [Member] Mediscan [Member] Medical Staffing Network [Member] Medical Staffing Network [Member] Medical Staffing Network [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Cash purchase price paid at closing Cash consideration plus working capital estimate Business Combination, Consideration Transferred, Cash Consideration Negotiated Business Combination, Consideration Transferred, Cash Consideration Negotiated Fair value of shares Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Fair value of shares (in shares) Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Contingent consideration, range of outcomes, high Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High Contingent liability paid Payments for Previous Acquisition Period of deferred consideration Business Combination, Consideration Deferred, Period Business Combination, Consideration Deferred, Period Release of remaining contingent liability STOCKHOLDERS' EQUITY Shareholders' Equity and Share-based Payments [Text Block]