CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net income	$ 57,477	$ 76,416
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization, including patient equipment depreciation	156,504	110,999
Equity-based compensation	11,222	16,029
Change in fair value of warrant liability	(18,509)	(40,622)
Change in fair value of contingent consideration common shares liability		(24,044)
Reduction in the carrying amount of operating lease right-of-use assets	9,530	15,368
Deferred income tax expense	11,975	6,544
Change in fair value of interest rate swaps, net of reclassification adjustment	(1,460)	(1,443)
Amortization of deferred financing costs	2,617	2,306
Write-off of deferred financing costs		3,495
Loss on extinguishment of debt from prepayment penalty		8,454
Other	(2,262)	428
Changes in operating assets and liabilities, net of effects from acquisitions:
Accounts receivable	7,027	(4,608)
Inventory	18,807	15,841
Prepaid and other assets	10,406	8,678
Operating lease obligations	(9,452)	(15,016)
Operating liabilities	(83,958)	(31,201)
Net cash provided by operating activities	169,924	147,624
Cash flows from investing activities:
Payments for business acquisitions, net of cash acquired	(15,324)	(1,292,631)
Purchases of equipment and other fixed assets	(154,340)	(79,396)
Payments for cost method investments	(367)
Net cash used in investing activities	(170,031)	(1,372,027)
Cash flows from financing activities:
Proceeds from borrowings on long-term debt and lines of credit		1,070,000
Repayments on long-term debt and lines of credit	(10,000)	(470,521)
Repayments of finance lease obligations	(12,547)	(19,767)
Payments for shares purchased under share repurchase program	(3,375)
Proceeds from the exercise of stock options	723	2,300
Proceeds received in connection with employee stock purchase plan	753	314
Proceeds from the issuance of senior unsecured notes		500,000
Proceeds from the issuance of Class A Common Stock		278,850
Payments for equity issuance costs		(13,832)
Payments of deferred financing costs		(18,039)
Payments for tax withholdings from restricted stock vesting and stock option exercises	(1,882)	(810)
Payments of contingent consideration and deferred purchase price from acquisitions	(2,383)	(16,341)
Distributions to noncontrolling interests	(2,000)	(1,070)
Payments for debt prepayment penalties		(8,454)
Net cash (used in) provided by financing activities	(30,711)	1,302,630
Net (decrease) increase in cash and cash equivalents	(30,818)	78,227
Cash and cash equivalents at beginning of period	149,627	99,962
Cash and cash equivalents at end of period	118,809	178,189
Supplemental disclosures:
Cash paid for interest	50,503	30,382
Cash paid for income taxes	9,828	13,756
Noncash investing and financing activities:
Equipment acquired under finance lease obligations	1,335	18,644
Unpaid equipment and other fixed asset purchases at end of period	37,704	20,114
Assets subject to operating lease obligations	4,582	16,710
Operating lease obligations	(4,582)	(16,710)
Equity consideration issued in connection with acquisitions		1,235,693
Contingent purchase price in connection with acquisitions		1,000
Deferred purchase price in connection with acquisitions	$ 422	$ 983