CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended			9 Months Ended		12 Months Ended
	Sep. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Operating activities:
Net loss	$ (73,476)		$ (84,340)	$ (9,849,460)	$ (417,808)
Adjustments to reconcile net loss to net cash provided by operating activities:
Goodwill impairment	0	$ 6,600,000	0	9,630,000	0	$ 0
Depreciation and amortization				180,312	151,907
Depreciation of rental equipment				2,185	2,500
Amortization of right-of-use assets				9,266	8,185
Provision for allowances				8,867	11,353
Stock-based compensation				167,098	240,971
Deferred income taxes				(5,942)	91,414
Accretion of interest				2,496	46,843
Loss on extinguishment of debt				0	40,631
Gain on sale of investment				0	(5,901)
Other, net				3,677	38
Changes in operating assets and liabilities:
Accounts receivable				(45,267)	(19,407)
Prepaid expenses and other current assets				(39,177)	(34,566)
Inventory				13,709	(2,661)
Other assets				(22,854)	(3,432)
Accounts payable				24,067	(11,115)
Accrued expenses and other current liabilities				70,046	15,880
Accrued compensation				(32,028)	(17,352)
Deferred revenue				12,311	20,002
Operating lease liabilities				(8,111)	(8,202)
Other liabilities				2,548	1,502
Net cash provided by operating activities				123,743	110,782
Investing activities:
Capital expenditures				(10,285)	(5,611)
Capitalized software				(108,588)	(35,402)
Proceeds from marketable securities				2,507	50,000
Proceeds from the sale of investment				0	10,901
Acquisitions of businesses, net of cash acquired				0	(75,944)
Other, net				2,514	3,150
Net cash used in investing activities				(113,852)	(52,906)
Financing activities:
Net proceeds from the exercise of stock options				5,646	22,956
Repurchase of 2022 Notes				0	(139)
Proceeds from advances from financing companies				6,807	10,677
Payment against advances from financing companies				(11,470)	(12,053)
Proceeds from employee stock purchase plan				3,386	13,996
Cash received for withholding taxes on stock-based compensation, net				594	3,109
Other, net				(2,847)	(4,224)
Net cash provided by financing activities				2,116	34,322
Net (decrease) increase in cash and cash equivalents				12,007	92,198
Foreign exchange difference				(5,856)	(1,694)
Cash and cash equivalents at beginning of the period		$ 893,480		893,480	733,324	733,324
Cash and cash equivalents at end of the period	$ 899,631		$ 823,828	899,631	823,828	$ 893,480
Income taxes paid				901	3,114
Interest paid				$ 8,688	$ 10,380