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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 Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Common Stock [Member] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] 2014 Omnibus Incentive Plan [Member] 2014 Omnibus Incentive Plan [Member] 2014 Omnibus Incentive 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 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Translation Adjustment, Net of Tax Loss on derivative instruments Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Income tax impact related to foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax Restructuring and Related Costs [Table Text Block] Restructuring and Related Costs [Table Text Block] 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 Nonrecurring Adjustment [Axis] Nonrecurring Adjustment [Axis] Nonrecurring Adjustment [Domain] Nonrecurring Adjustment [Domain] Acquisition-related Costs [Member] Acquisition-related Costs [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, Attainment of Specific Performance Criteria in 2018 [Member] Potential Earnout, Attainment of Specific Performance Criteria in 2018 [Member] Potential Earnout, Attainment of Specific Performance Criteria in 2018 [Member] Potential Earnout, Attainment of Specific Performance Criteria in 2019 [Member] Potential Earnout, Attainment of Specific Performance Criteria in 2019 [Member] Potential Earnout, Attainment of Specific Performance Criteria in 2019 [Member] Assumed Additional Contingent Purchase Price Liabilities [Member] Assumed Additional Contingent Purchase Price Liabilities [Member] Assumed Additional Contingent Purchase Price Liabilities [Member] US Resources Healthcare, LLC [Member] US Resources Healthcare, LLC [Member] US Resources Healthcare, LLC [Member] Mediscan [Member] Mediscan [Member] Mediscan [Member] Contingent consideration, range of outcomes, high Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High Contingent liability paid Payments for Previous Acquisition Statement of Financial Position [Abstract] Accounts receivable, allowance for doubtful accounts Allowance for Doubtful Accounts Receivable, Current Property and equipment, accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Restructuring Plan [Axis] Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] Cost Optimization Project [Member] Cost Optimization Project [Member] Cost Optimization Project [Member] Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] On-Going Benefit Costs [Member] Employee Severance [Member] Exit Costs [Member] Exit Costs [Member] Exit Costs [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Balance at beginning of period Restructuring Reserve Charged to restructuring costs Payments Payments for Restructuring Balance at end of period RELATED PARTY TRANSACTIONS Related Party Transactions Disclosure [Text Block] Statement of Cash Flows [Abstract] Cash flows from operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Consolidated net income (loss) Adjustments to reconcile net income (loss) to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] 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 Derivative, Gain (Loss) on Derivative, Net Loss on early extinguishment of debt Gain (Loss) on 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 for (Proceeds from) Previous Acquisition 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] Principal payments on Term Loans Repayments of Long-term Debt Convertible Note cash payment Repayments of Convertible Debt Extinguishment fees Payment for Debt Extinguishment or Debt Prepayment Cost Stock repurchase and retirement Payments for Repurchase of Common Stock 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 Carrying Value Cash and cash equivalents at end of period COMPREHENSIVE INCOME (LOSS) Comprehensive Income (Loss) Note [Text Block] Dilutive convertible notes (shares) Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Assets Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Accounts receivable, net of allowances of $3,640 in 2018 and $3,688 in 2017 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 $31,794 in 2018 and $30,678 in 2017 Property, Plant and Equipment, Net Trade names Indefinite-Lived Trade Names Other intangible assets, net Non-current deferred tax assets Deferred Tax Assets, Net of Valuation Allowance, Noncurrent 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 Current portion of long-term debt Other current liabilities Other Liabilities, Current Total current liabilities Liabilities, Current Long-term debt, less current portion Long-term Debt, Excluding Current Maturities 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 deficit Total Cross Country Healthcare, Inc. stockholders' equity Stockholders' Equity Attributable to Parent Noncontrolling interest in subsidiary 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 Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Numerator: Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] 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 Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Weighted average common shares - Basic (shares) Weighted Average Number of Shares Outstanding, 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) Weighted average common shares - Diluted (shares) Weighted Average Number of Shares Outstanding, Diluted Net income (loss) per share attributable to common shareholders - Basic (in dollars per share) Earnings Per Share, Basic Net income (loss) per share attributable to common shareholders - Diluted (in dollars per share) Earnings Per Share, Diluted Concentration Risk [Table] Concentration Risk [Table] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Services [Member] Product Concentration Risk [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Revenue Sales Revenue, Net [Member] Concentration Risk [Line Items] Concentration Risk [Line Items] Payment terms Contract Receivables, Payment Term Contract Receivables, Payment Term Unbilled contracts receivable Unbilled Contracts Receivable Concentration risk percentage Concentration Risk, Percentage Income Statement [Abstract] Revenue from services Operating expenses: Operating Expenses [Abstract] Direct operating expenses Direct Operating Costs Selling, general and administrative expenses Selling, General and Administrative Expense Bad debt expense Provision for Doubtful Accounts Total operating expenses Costs and Expenses Income from operations Other expenses (income): Nonoperating Income (Expense) [Abstract] Interest expense Interest Expense Gain on derivative liability Loss on early extinguishment of debt Other income, net Other Nonoperating Income (Expense) Income (loss) before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Income tax expense Income Tax Expense (Benefit) Consolidated net income (loss) Net income (loss) attributable to common shareholders Net Income (Loss) Attributable to Parent Weighted average common shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic (shares) Diluted (shares) 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] 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] Databases [Member] Database Rights [Member] Customer relationships [Member] Customer Relationships [Member] Non-compete agreements [Member] Noncompete Agreements [Member] Trade names [Member] Trade Names [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) DEBT Debt Disclosure [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] 8% Convertible Notes [Member] 8% Convertible Notes [Member] 8% Convertible Notes [Member] Convertible Note Derivative Liability [Member] Convertible Note Derivative Liability [Member] Convertible Note Derivative Liability [Member] Convertible Notes [Member] Convertible Debt [Member] 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 Repayment Of Long Term Debt Repayments of debt Extinguishment fees Original debt amount in debt conversion Debt Conversion, Original Debt, Amount Non-cash write off related to settlement of convertible notes Debt Conversion, Converted Instrument, Amount Debt conversion price (in usd per share) Debt Instrument, Convertible, Conversion Price Debt instrument, convertible, number of equity instruments Debt Instrument, Convertible, Number of Equity Instruments Debt Instrument, convertible, threshold period following issuance date (in years) Debt Instrument, Convertible,Threshold Period Following Issuance Date Debt Instrument, Convertible,Threshold Period Following Issuance Date Debt instrument, convertible, threshold percentage of stock price trigger Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger Debt instrument, convertible, threshold trading days Debt Instrument, Convertible, Threshold Trading Days Debt instrument, convertible, threshold consecutive trading days Debt Instrument, Convertible, Threshold Consecutive Trading Days Interest rate (percent)