CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Operating activities:
Net loss	$ (3,101,461)		$ (133,819)	$ (9,775,984)	$ (333,468)
Adjustments to reconcile net loss to net cash provided by operating activities:
Goodwill impairment	3,030,000	$ 6,600,000	0	9,630,000	0	$ 0
Depreciation and amortization				118,304	100,000
Depreciation of rental equipment				1,486	1,663
Amortization of right-of-use assets				6,540	5,858
Provision for allowances				5,857	7,534
Stock-based compensation				111,436	169,270
Deferred income taxes				(2,528)	83,823
Accretion of interest				1,659	32,566
Loss on extinguishment of debt				0	39,782
Gain on sale of investment				0	(5,901)
Other, net				0	38
Changes in operating assets and liabilities:
Accounts receivable				(43,948)	(16,573)
Prepaid expenses and other current assets				(20,195)	(26,758)
Inventory				11,974	(2,234)
Other assets				(17,453)	1,919
Accounts payable				47,417	(4,741)
Accrued expenses and other current liabilities				20,712	5,380
Accrued compensation				(38,328)	(35,606)
Deferred revenue				10,823	17,205
Operating lease liabilities				(7,266)	(5,833)
Other liabilities				216	267
Net cash provided by operating activities				60,722	34,191
Investing activities:
Capital expenditures				(6,455)	(4,405)
Capitalized software				(69,213)	(21,508)
Proceeds from marketable securities				0	50,000
Proceeds from the sale of investment				0	10,901
Acquisitions of businesses, net of cash acquired				0	(56,336)
Other, net				3,264	3,150
Net cash used in investing activities				(72,404)	(18,198)
Financing activities:
Net proceeds from the exercise of stock options				4,980	17,781
Repurchase of 2022 Notes				0	(137)
Proceeds from advances from financing companies				5,113	7,924
Payment against advances from financing companies				(7,789)	(8,122)
Proceeds from employee stock purchase plan				1,972	11,031
Cash received for withholding taxes on stock-based compensation, net				54	5,159
Other, net				(2,848)	(98)
Net cash provided by financing activities				1,482	33,538
Net (decrease) increase in cash and cash equivalents				(10,200)	49,531
Foreign exchange difference				(2,119)	869
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	$ 881,161		$ 783,724	881,161	783,724	$ 893,480
Income taxes paid				564	52
Interest paid				$ 8,673	$ 10,379