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Venture, Percent Ownership Joint Venture, Percent Ownership Total liabilities assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Receivable balance with joint venture Due from Joint Ventures, Current Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Current assets: Assets, Current [Abstract] Other Proceeds from (Payments for) Other Financing Activities Gross Carrying Amount Finite-Lived Intangible Assets, Gross Shares reserved for share-based payments (in shares) Common Stock, Capital Shares Reserved for Future Issuance Valuation Allowance by Deferred Tax Asset [Axis] Valuation Allowance by Deferred Tax Asset [Axis] Leases [Abstract] Leases [Abstract] Entity Central Index Key Entity Central Index Key LIBOR London Interbank Offered 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Receivable, Allowance for Credit Loss, Writeoff Measurement Basis [Axis] Measurement Basis [Axis] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Other expenses (income): Nonoperating Income (Expense) [Abstract] Acquisition and integration-related costs Acquisition And Integration-Related Costs Acquisition and integration-related costs include costs for prior acquisitions, costs incurred for potential transactions, and accretion and valuation adjustments on contingent consideration liabilities Borrowing base, percentage of assets Line Of Credit, Borrowing Base, Percentage Of Assets Line Of Credit, Borrowing Base, Percentage Of Assets Credit Facility [Axis] Credit Facility [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Other comprehensive (loss) income, before income tax: Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent [Abstract] Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Schedule of Information on Operating Segments and Reconciliation to Loss From Operations Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Property and equipment, accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Other current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other Cash flows from operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] 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 Nature of Business Consolidation, Policy [Policy Text Block] Total current liabilities Liabilities, Current Cash paid for shares withheld for taxes Payment, Tax Withholding, Share-based Payment Arrangement Cash consideration, gross Payments to Acquire Businesses, Gross Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Cash and cash equivalents Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Health Care System Affiliated with a Board Member Health Care System Affiliated With A Board Member [Member] Health Care System Affiliated With A Board Member Entity Address, Postal Zip Code Entity Address, Postal Zip Code Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Title of 12(b) Security Title of 12(b) Security Statement [Table] Statement [Table] Other current assets Other Assets, Current Recently Adopted Accounting Pronouncement New Accounting Pronouncements, Policy [Policy Text Block] Taxes on other comprehensive loss: Other Comprehensive Income (Loss), Tax1 [Abstract] Other Comprehensive Income (Loss), Tax1 [Abstract] Statistical Measurement [Axis] Statistical Measurement [Axis] Accounts Receivable, net Accounts Receivable [Policy Text Block] Cover [Abstract] Other intangible assets, net Net Carrying Amount Finite-Lived Intangible Assets, Net Goodwill Goodwill, net of impairment loss, beginning balance Goodwill, net of impairment loss, ending balance Goodwill Noncontrolling interest in subsidiary Stockholders' Equity Attributable to Noncontrolling Interest Schedule of Goodwill Schedule of Goodwill [Table Text Block] Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Operating lease expense Operating Lease, Cost Accounts payable and accrued expenses Accounts Payable and Other Accrued Liabilities, Current 2021 Term Loan Credit Agreement 2021 Term Loan Credit Agreement [Member] 2021 Term Loan Credit Agreement RELATED PARTY TRANSACTIONS Related Party Transactions Disclosure [Text Block] Schedule of Allowance for Doubtful Accounts Accounts Receivable, Allowance for Credit Loss [Table Text Block] Deferred Tax Asset [Domain] Deferred Tax Asset [Domain] Deferred income tax expense (benefit) Deferred Income Tax Expense (Benefit) Insurance recovery receivable Insurance Settlements Receivable, Current Service [Member]