CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (50,331)	$ (141,303)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	56,279	58,220
Non-cash operating lease costs	29,431	30,225
Stock-based compensation	60,026	78,469
Amortization of discount and debt issue costs	1,264	1,592
Gain on remeasurement of contingent consideration	(1,975)	(4,443)
Other, net	998	5,105
Change in operating assets and liabilities, net of businesses acquired:
Patient accounts receivable, net	(32,757)	(48,484)
Prepaid expenses and other current assets	(3,924)	(52,293)
Accounts payable	620	(3,848)
Accrued payroll expenses	9,381	7,622
Operating lease liabilities	(34,300)	(30,109)
Other accrued expenses	10,232	65,568
Net cash provided by (used in) operating activities	44,944	(33,679)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property and equipment	(15,265)	(29,106)
Acquisitions of businesses, net of cash acquired	0	(19,820)
Net cash used in investing activities	(15,265)	(48,926)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from long-term debt	0	25,000
Payments of debt issue costs	0	(188)
Payments of long-term debt	(2,194)	(1,821)
Payments of contingent consideration	(3,694)	(6,402)
Net cash (used in) provided by financing activities	(5,888)	16,589
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	23,791	(66,016)
Cash and Cash Equivalents - Beginning of period	78,824	108,621
CASH AND CASH EQUIVALENTS – END OF PERIOD	102,615	42,605
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash paid for interest, net	19,023	15,424
Cash paid for taxes, net of refunds	59	416
SUPPLEMENTAL DISCLOSURES OF NON CASH INVESTING AND FINANCING ACTIVITIES
Contingent consideration incurred in acquisitions of businesses	0	1,985
Acquisition of property and equipment included in liabilities	$ 1,203	$ 5,303