CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities:
Net income	$ 16,675	$ 42,230
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization, including patient equipment depreciation	93,813	77,030
Equity-based compensation	5,916	5,502
Change in fair value of warrant liability	(21,914)	(26,717)
Reduction in the carrying amount of operating lease right-of-use assets	8,486	7,484
Reduction in the carrying amount of finance lease right-of-use assets	427	0
Deferred income tax (benefit) expense	(2,327)	4,303
Change in fair value of interest rate swaps, net of reclassification adjustment	(579)	(726)
Amortization of deferred financing costs	1,309	1,309
Changes in operating assets and liabilities, net of effects from acquisitions:
Accounts receivable	5,920	(9,481)
Inventory	(8,149)	21,331
Prepaid and other assets	(4,503)	12,237
Operating lease obligations	(9,451)	(7,420)
Operating liabilities	54,625	(60,631)
Net cash provided by operating activities	140,248	66,451
Cash flows from investing activities:
Purchases of equipment and other fixed assets	(89,120)	(77,166)
Payments for business acquisitions, net of cash acquired	(447)	(2,932)
Net cash used in investing activities	(89,567)	(80,098)
Cash flows from financing activities:
Proceeds from borrowings on long-term debt	50,000	0
Repayments on long-term debt	(30,000)	(5,000)
Repayments of finance lease obligations	(981)	(8,156)
Payments for shares purchased under share repurchase program	(9,224)	0
Proceeds from the exercise of stock options	0	723
Proceeds received in connection with employee stock purchase plan	1,021	753
Payments relating to the Tax Receivable Agreement	(3,202)	0
Payments for tax withholdings from restricted stock vesting and stock option exercises	(2,492)	(1,269)
Payments of contingent consideration and deferred purchase price from acquisitions	(674)	(3,603)
Net cash provided by (used in) financing activities	4,448	(16,552)
Net increase (decrease) in cash	55,129	(30,199)
Cash at beginning of period	46,272	149,627
Cash at end of period	101,401	119,428
Supplemental disclosures:
Cash paid for interest	50,051	43,931
Cash paid for income taxes	384	11
Noncash investing and financing activities:
Equipment acquired under finance lease obligations	0	1,335
Unpaid equipment and other fixed asset purchases at end of period	34,940	26,194
Assets subject to operating lease obligations	3,847	2,627
Operating lease obligations	(3,847)	(2,627)
Assets subject to finance lease obligations	2,407	0
Finance lease obligations	(2,407)	0
Deferred purchase price in connection with acquisitions	$ 50	$ 308