Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities:
Net income (loss)	$ 73,133	$ 158,153	$ (194,086)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization, including patient equipment depreciation	351,178	258,053	82,445
Equity-based compensation	22,397	25,323	18,670
Change in fair value of warrant liability	(17,158)	(53,181)	135,368
Change in fair value of contingent consideration common shares liability	0	(29,389)	98,717
Reduction in the carrying amount of operating lease right-of-use assets	32,264	28,624	0
Deferred income tax expense (benefit)	18,036	22,380	(21,101)
Change in fair value of interest rate swaps, net of reclassification adjustment	(2,936)	(2,927)	(2,845)
Amortization of deferred financing costs	5,234	5,378	1,876
Write-off of deferred financing costs	0	4,054	5,316
Loss on extinguishment of debt from prepayment penalty	0	16,135	0
Other	(285)	(3,615)	(5,636)
Changes in operating assets and liabilities, net of effects from acquisitions:
Accounts receivable	(209)	(29,694)	(29,517)
Inventory	(6,300)	(14,920)	(19,434)
Prepaid and other assets	(13,143)	2,731	(10,767)
Operating lease obligations	(31,213)	(28,043)	0
Operating liabilities	(57,131)	(83,383)	136,628
Net cash provided by operating activities	373,867	275,679	195,634
Cash flows from investing activities:
Payments for business acquisitions, net of cash acquired	(19,017)	(1,620,320)	(769,337)
Purchases of equipment and other fixed assets	(391,423)	(203,308)	(39,755)
Payments for cost method investments	(731)	(1,125)	(8,657)
Proceeds from sale of investment	0	0	2,046
Net cash used in investing activities	(411,171)	(1,824,753)	(815,703)
Cash flows from financing activities:
Proceeds from borrowings on long-term debt and lines of credit	0	1,165,000	591,275
Repayments on long-term debt and lines of credit	(20,000)	(827,271)	(547,480)
Repayments of finance lease obligations	(16,176)	(42,164)	(39,051)
Payments for shares purchased under share repurchase program	(13,992)	0	0
Proceeds from the exercise of stock options	2,510	12,320	0
Proceeds received in connection with employee stock purchase plan	1,616	1,016	101
Payments for tax withholdings from equity-based compensation and stock option exercises	(3,516)	(3,557)	(59)
Payments of contingent consideration and deferred purchase price from acquisitions	(14,493)	(25,233)	(3,954)
Distributions to noncontrolling interests	(2,000)	(1,070)	(800)
Proceeds from the issuance of senior unsecured notes	0	1,100,000	350,000
Proceeds from the issuance of Class A Common Stock	0	278,850	142,600
Payments for equity issuance costs	0	(13,832)	(11,725)
Payments of deferred financing costs	0	(29,185)	(13,049)
Payments for debt prepayment penalties	0	(16,135)	0
Proceeds from the sale of Class A Common Stock and Series A Preferred Stock	0	0	225,000
Proceeds from the exercise of warrants	0	0	24,495
Exchange of Class B Common Stock for cash	0	0	(44,273)
Payment for exercise of call option relating to the Put/Call Agreement	0	0	(29,927)
Net cash (used in) provided by financing activities	(66,051)	1,598,739	643,153
Net (decrease) increase in cash and cash equivalents	(103,355)	49,665	23,084
Cash and cash equivalents at beginning of period	149,627	99,962	76,878
Cash and cash equivalents at end of period	46,272	149,627	99,962
Supplemental disclosures:
Cash paid for interest	108,885	73,630	35,771
Cash paid for income taxes	14,949	14,792	7,480
Noncash investing and financing activities:
Equipment acquired under finance lease obligations	1,335	22,959	40,012
Unpaid equipment and other fixed asset purchases at end of period	24,221	13,936	7,869
Assets subject to operating lease obligations	22,543	12,777	0
Operating lease obligations	(22,543)	(12,777)	0
Write-off of assets subject to operating lease obligations	(8,532)	0	0
Write-off of operating lease obligations	8,532	0	0
Equity consideration issued in connection with acquisitions	0	1,261,200	123,887
Contingent purchase price in connection with acquisitions	0	7,800	27,064
Deferred purchase price in connection with acquisitions	$ 457	$ 4,478	$ 33