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Unsecured Long-Term Debt, Noncurrent Proceeds from issuance of unsecured debt Common stock, par value Common Stock, Par or Stated Value Per Share Cash equivalents Money Market Funds, at Carrying Value Liabilities: Liabilities [Abstract] Goodwill [Line Items] Other liabilities Increase (Decrease) in Other Operating Liabilities Increase (Decrease) in Other Operating Liabilities, Total Debt Securities, Available-for-sale, Total Debt Securities, Available-for-Sale Available-for-sale Securities Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract] Debt Disclosure [Abstract] Current Fiscal Year End Date Schedule of Long-Term Debt Instruments [Table] Document Quarterly Report Fair Value, by Balance Sheet Grouping [Table] Entity Address, State or Province Line of Credit Facility, Remaining Borrowing Capacity Line of Credit facility, available balance Investment, Name [Domain] Total comprehensive income (loss) attributable to Pediatrix Medical Group, Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Total comprehensive income Common stock, reserved for issuance Common Stock, Capital Shares Reserved for Future Issuance Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Divestitures Weighted average number of dilutive common share equivalents Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Incremental Common Shares Attributable to Share-based Payment Arrangements, Total Common Stock Repurchase Programs Common Stock Repurchases [Text Block] Entire disclosure of common stock repurchases. Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Number of shares withheld Deferred income tax assets Deferred Income Tax Assets, Net Deferred Income Tax Assets, Net, Total Subsequent Event [Member] Other non-current assets Other assets Other Assets, Noncurrent Other Assets, Noncurrent, Total Short-term investments Debt Securities, Available-for-Sale, Current Debt Securities, Available-for-sale, Current, Total Unsecured Debt, Total Unsecured Debt Unsecured note issued Other revenue [Member] Product and Service, Other [Member] Financial Instruments Measured At Carrying Amount Financial Instruments Measured At Carrying Amount Table Text Block Tabular disclosure of financial instruments measured at carrying amount. Retained Deficit [Member] Retained Earnings And Accumulated Other Comprehensive Income [Member] Retained earnings and accumulated other comprehensive income [Member]. Accumulated Other Comprehensive Loss [Member] AOCI Attributable to Parent [Member] Goodwill, Impairment Loss Impairment loss Cash and Cash Equivalents [Domain] Business Combination, Consideration Transferred Business Combination, Consideration Transferred, Total Total business acquisition consideration Six Point Two Five Percentage Senior Notes Due Two Thousand Twenty Seven [Member] Six Point Two Five Percentage Senior Notes Due Two Thousand Twenty Seven [Member] Six Point Two Five Percentage Senior Notes Due Two Thousand Twenty Seven [Member] Preferred Stock, Value, Issued Preferred Stock, Value, Issued, Total Preferred Stock, Value, Issued, Beginning Balance Preferred Stock, Value, Issued, Ending Balance Preferred stock; $.01 par value; 1,000,000 shares authorized; none issued Other intangible assets Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived Minimum [Member] Minimum [Member] Pediatric Subspecialty Practice [Member] Pediatric Subspecialty Practice [Member] Pediatric Subspecialty Practice [Member] Financial Instrument [Axis] Current assets: Assets, Current [Abstract] Liabilities, Fair Value Disclosure [Abstract] Liabilities: Segment Reporting [Abstract] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Unrealized Gain (Loss) on Investments Unrealized holding (loss) gain on investments, net of tax of $152 and $255 Unrealized Gain (Loss) on Investments, Total Current liabilities: Liabilities, Current [Abstract] Government [Member] Government [Member] Shares, Outstanding Balance, Shares Balance, Shares Accounts receivable, net Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Schedule of Accounts Receivable, Net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Commitments and contingencies Commitments and Contingencies Percentage of net patient service revenue Percentage Of Net Patient Service Revenue By Type Of Payor Percentage of net patient service revenue by type payor. Proceeds from Issuance of Unsecured Debt Proceeds from issuance of unsecured debt Schedule of Goodwill [Table Text Block] Schedule of Company's goodwill Common Stock [Line Items] Common Stock [Line Items] Common Stock [Line Items] Text Block [Abstract] Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income Accrued Income Taxes, Current Income taxes payable Long-Term Debt, Type [Domain] Weighted average number of common shares outstanding Basic Weighted Average Number of Shares Outstanding, Basic Weighted Average Number of Shares Outstanding, Basic, Total Goodwill, Acquired During Period Acquisition Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Net Of Tax, Unrealized Holding Gain (Loss) on Investments Unrealized holding (loss) gain on investments, net of tax Net Of Tax, Unrealized Holding Gain (Loss) on Investments Unrealized holding gain (loss) on investments, net of tax Long-term professional liabilities Malpractice Loss Contingency, Accrual, Undiscounted, Noncurrent Long-term Debt, Total Long-Term Debt Long term debt Stock-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition APIC, Share-based Payment Arrangement, Increase for Cost Recognition, Total Total shareholders' equity Equity, Attributable to Parent Stockholders' Equity Attributable to Parent, Beginning Balance Stockholders' Equity Attributable to Parent, Ending Balance Line of credit facility, periodic payment Line of Credit Facility, Periodic Payment Purchases of investments Payments to Acquire Investments Payments to Acquire Investments, Total Preferred stock, par value Preferred Stock, Par or Stated Value Per Share Statement of Stockholders' Equity [Abstract] Cash Equivalents [Member] Maternal Fetal Medicine Practice [Member] Maternal Fetal Medicine Practice [Member] Fair Value Disclosures [Text Block] Fair Value Measurements Fair value of money market funds. Money Market Funds Fair Value Disclosure Money market funds Debt Instrument, Name [Domain] Other current assets Other Assets, Current Equity in earnings of unconsolidated affiliate Income (Loss) from Equity Method Investments Income (Loss) from Equity Method Investments, Total Plan Name [Domain] Plan Name [Domain] Credit Facility [Axis] Equity method ownership percentage in joint venture Equity Method Investment, Ownership Percentage Impairment, Long-Lived Asset, Held-for-Use Impairment, Long-Lived Asset, Held-for-Use, Total Long-lived asset impairments Fixed asset impairments Certificates of Deposit [Member] Certificates of Deposit [Member] Income taxes payable Increase (Decrease) in Income Taxes Payable Entity Address, City or Town Business combination contingent consideration liability Business Combination, Contingent Consideration, Liability Business Combination, Contingent Consideration, Liability, Total Repurchased common stock, shares Stock Repurchased During Period, Shares Stock repurchased during period, shares Repurchased common stock, shares Number of Reportable Segments Number of Reportable Segments Security Exchange Name Credit Facility [Domain] Mutual funds fair value disclosure. Mutual Funds Fair Value Disclosure Mutual funds (Loss) income from continuing operations before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income before income taxes Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract] Range [Domain] Statistical Measurement [Domain] Health Care Organization, Revenue Sources [Axis] Health Care Organization, Revenue Sources [Axis] Total current assets Assets, Current Stock-based compensation expense Share-Based Payment Arrangement, Expense Document Period End Date Title and Position [Axis] Fair Value Hierarchy and NAV [Domain] Accrued payroll taxes and benefits Accrued Payroll Taxes And Benefits Current Accrued payroll taxes and benefits current. Practice salaries and benefits Practice Salaries and Benefits Practice salaries and benefits. Accrued salaries and incentive compensation Accrued Salaries, Current Statement of Financial Position [Abstract] Total liabilities Liabilities Financial Instruments [Domain] Incremental Common Shares Attributable to Antidilutive Effect of Contingently Issuable Shares Additional shares not included in the calculation of diluted EPS as a result of the potentially antidilutive effect of contingently issuable shares. Incremental shares Restricted Stock [Member] Restricted Stock [Member] Weighted average number of common and common equivalent shares outstanding Diluted Weighted Average Number of Shares Outstanding, Diluted Entity File Number OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Unrealized holding loss on investments, net of tax Coronavirus Pandemic COVID Nineteen Disclosure [Text Block] Coronavirus Pandemic COVID Nineteen Disclosure [Text Block] Coronavirus Pandemic (COVID-19) Cover [Abstract] Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total Investments [Domain] Two Zero Three Zero [Member] Two Zero Three Zero [Member] 2030 Notes [Member] U.S. Treasury securities [Member] US Treasury Securities [Member] Practice supplies and other operating expenses Practice Supplies And Other Operating Expenses The aggregate amount of supplies and other operating expenses directly attributable to the physician practices. Segment Reporting Disclosure [Text Block] Segment Reporting General and administrative expenses General and Administrative Expense General and Administrative Expense, Total Amended and Restated 2008 Plan [Member] Amended and Restated Two Thousand Eight Plan [Member] Amended and restated two thousand eight plan. Net revenue Revenue from Contract with Customer, Including Assessed Tax Net revenue Intangible assets, net Finite-Lived Intangible Assets, Net Finite-Lived Intangible Assets, Net, Total Finite-Lived Intangible Assets, Net, Beginning Balance Finite-Lived Intangible Assets, Net, Ending Balance Goodwill [Member] Transformational and restructuring related expenses Restructuring Charges Restructuring Charges, Total Restructuring Expences Fair Value Disclosures [Line Items] Fair value disclosures. New Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Accounts Receivable and Net Revenue Accounts Receivable And Net Revenue Disclosure [Text Block] Accounts receivable and net revenue disclosure. Award vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Unnamed Corporate Joint Venture One [Member] Unnamed Corporate Joint Venture [Member] 1996 Non-Qualified Employee Stock Purchase Plan [Member] Nineteen Ninety Six Non Qualified Employee Stock Purchase Plan [Member] 1996 non-qualified employee stock purchase plan. Common stock, shares outstanding Common Stock, Shares, Outstanding Common Stock, Shares, Outstanding, Beginning Balance Common Stock, Shares, Outstanding, Ending Balance Current portion of operating lease liabilities Operating Lease, Liability, Current Depreciation and amortization Depreciation and amortization Depreciation, Depletion and Amortization Depreciation, Depletion and Amortization, Total Document Transition Report Share Repurchase Program, Excise Tax Excise tax on share repurchases Excise tax on share repurchases GAAP Senior Notes [Member] GAAP Senior Notes [Member] GAAP Senior Notes [Member]. Total operating expenses Operating Expenses Total operating expenses Purchases of property and equipment Payments to Acquire Other Property, Plant, and Equipment Payments for repurchase of common stock Amount withheld to satisfy minimum statutory tax withholding obligations Repurchases of common stock Payments for Repurchase of Common Stock Statement of Cash Flows [Abstract] Assets: Assets, Fair Value Disclosure [Abstract] Acquisition payments, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Payments to Acquire Businesses, Net of Cash Acquired, Total Payments to acquire businesses paid in cash Accounts and Financing Receivables [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Market Based Restricted Stock Units (PRSUs) [Member] Market Based Restricted Stock Units (PRSUs) [Member] Market Based Restricted Stock Units (PRSUs) [Member] Incremental Shares In Continuing operation Incremental Shares In Continuing operation Common and Common Equivalent Shares Earnings Per Share [Text Block] Extraordinary Items [Abstract] Extraordinary Items [Abstract] Net Income (loss) attributable to Pediatrix Medical Group, Inc. Net income Primary beneficiary [Member] Primary beneficiary [Member] Cash Provided by (Used in) Operating Activity, Continuing Operation Net cash used in operating activities - continuing operations Proceeds from (Payment for) Other Financing Activity Other ASSETS Assets [Abstract] Net cash used in operating activities - discontinued operations Cash Provided by (Used in) Operating Activity, Discontinued Operation Net cash provided by operating activities - discontinued operations Cash Provided by (Used in) Operating Activities, Discontinued Operations, Total Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Increase (Decrease) in Prepaid Expense and Other Assets, Total Prepaid expenses and other current assets Amortization of premiums, discounts and issuance costs Amortization of Debt Issuance Costs and Discounts Amortization of Debt Issuance Costs and Discounts, Total Document Fiscal Year Focus Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Accounts payable Accounts Payable, Current Accounts Payable, Current, Total Interest Expense, Nonoperating Interest Expense, Nonoperating, Total Interest expense Cash Equivalents and Investments Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Line Of Credit And Long Term Debt [Text Block] Line Of Credit And Long Term Debt [Text Block] Line of Credit and Long Term Debt Other long-term assets Increase (Decrease) in Other Noncurrent Assets Gain (Loss) on Disposition of Business Loss on disposal of businesses Loss on disposal of businesses Five point three seven five percent unsecured senior notes due two thousand thirty member. Five Point Three Seven Five Percent Unsecured Senior Notes Due Two Thousand Thirty Member 5.375% Unsecured Senior Notes Due 2030 [Member] Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture, Total Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Fair Value Disclosures [Abstract] Commitments and Contingencies Disclosure [Abstract] Cash Equivalents And Investments [Line Items] Cash Equivalents And Investments Line Items Dissolution Of And Net Income (Loss) Attributable to Noncontrolling Interest Dissolution Of And Net Income (Loss) Attributable to Noncontrolling Interest Dissolution of and net loss attributable to noncontrolling interest Debt Instrument [Axis] Share-Based Payment Arrangement [Abstract] Current portion of debt and finance lease liabilities, net Long-Term Debt and Lease Obligation, Current Long-Term Debt and Lease Obligation, Current, Total Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Net cash used in investing activities Title of 12(b) Security Investment and other income (expense) Investment Income, Net Investment Income, Net, Total Investment and other income Company's Common stock repurchased Share Repurchase Program, Remaining Authorized, Amount Weighted average common shares: Earnings Per Share, Basic, Other Disclosure [Abstract] Purchase price Purchase price Purchase price Basis Of Presentation [Line Items] Basis Of Presentation Line Items Other liabilities Other Liabilities, Noncurrent Other Liabilities, Noncurrent, Total Changes in assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Business Combination [Text Block] Business Combination Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Measurement Frequency [Domain] Common stock authorized for repurchase Share Repurchase Program, Authorized, Amount Statement of Income Location, Balance [Axis] Trading Symbol Subsequent Event Type [Axis] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Fair Value, Recurring [Member] Accounts Payable and Accrued Expenses Accounts Payable and Accrued Liabilities Disclosure [Text Block] Equity Components [Axis] Equity Components [Axis] Operating and finance lease right-of-use assets Operating And Finance Lease Right Of Use Assets Operating and finance lease right-of-use assets. Nonoperating Income (Expense) Total non-operating expenses Equity Component [Domain] Equity Component [Domain] Asset Class [Axis] 2027 Notes 6.25% Senior Unsecured Notes Due 2027 [Member] Six Point Two Five Percent Senior Unsecured Notes Due Two Thousand Twenty Seven [Member] Six point two five percent senior unsecured notes due two thousand twenty seven. Goodwill and Intangible Assets Disclosure [Abstract] Business Combination [Axis] Issuance of restricted stock Shares Issued, Value, Share-Based Payment Arrangement, before Forfeiture Aggregate number Shares issued under Stock Purchase Plans Stock Issued During Period, Shares, Employee Stock Purchase Plans Common stock issued under employee stock purchase plan shares Vesting period of options, maximum years Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Maximum [Member] Maximum [Member] Range [Axis] Statistical Measurement [Axis] Prepaid expenses Prepaid Expense, Current Prepaid Expense, Current, Total Common Stock, Value, Issued Common Stock, Value, Issued, Total Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Ending Balance Common stock; $.01 par value; 200,000,000 shares authorized; 82,061,119 and 82,976,110 shares issued and outstanding, respectively Total equity Balance Balance Equity, Including Portion Attributable 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stock purchase plan Value Credit Agreement [Member] Credit Agreement [Member] Credit Agreement [Member] Amended Credit Agreement [Member] Letter of Credit [Member] Property and equipment, net Property, Plant and Equipment, Net Property, Plant and Equipment, Net, Total Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net, Ending Balance Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total Income from operations Operating Income (Loss) Income from operations Cash and Cash Equivalents [Axis] Employee Benefits and Share-Based Compensation Employee benefits and share-based compensation expense Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Share-based Payment Arrangement, Noncash Expense, Total Contracted Managed Care [Member] Contracted Managed Care [Member] Contracted Managed Care [Member] Long-Term Debt and Lease Obligation Long-Term Debt and Lease Obligation, Total Long-term debt and finance lease liabilities, net Long-term operating lease liabilities Operating Lease, Liability, Noncurrent Fair Value, Inputs, Level 1 [Member] Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Net cash used in financing activities Notes Payable Notes Payable Notes Payable, Total Term A loan Long-Term Debt [Member] Long-Term Debt Deferred income tax liabilities Deferred Income Tax Liabilities, Net Deferred Income Tax Liabilities, Net, Total Investments, Fair Value Disclosure Investments, Fair Value Disclosure, Total Short-term investments Restructuring Charges [Member] Restructuring Charges [Member] Goodwill [Table] Debt Securities, Available-for-Sale [Table] Entity Interactive Data Current Statement of Income Location, Balance [Domain] Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Debt Instrument, Periodic Payment, Interest Interest accrued periodically Performance Restricted Stock Units (PRSUs) [Member] Performance Restricted Stock Units (PRSUs) [Member] Performance Restricted Stock Units (PRSUs) [Member] Schedule of Percentage of Net Revenue Schedules of Concentration of Risk, by Risk Factor [Table Text Block] Description of Interest Rate Risk Exposure Interest Rate, description Entity Tax Identification Number Long-Term Debt, Type [Axis] Local Phone Number Board of Directors Chairman [Member] Accounting Policies [Abstract] Disaggregation of Revenue [Line Items] Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Issuance of restricted stock, shares Forfeitures of restricted stock, shares Shares available for future grants and awards under Stock Incentive Plans Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Schedule of Accounts Payable and Accrued Expenses Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Goodwill, Impaired, Accumulated Impairment Loss Goodwill , Accumulated Impairment Losses Accumulated Impairment Losses Accumulated Impairment Losses, Ending Balance Accumulated Impairment Losses, Beginning Balance Accumulated Impairment Losses Accumulated Impairment Losses Entity Emerging Growth Company