CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities:
Net loss	$ (587,756)	$ (136,392)	$ (363,737)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization expense	1,246	555	551
Amortization of notes and securities discounts and debt issuance costs	13,681	21,118	15,913
Loss on disposal of property and equipment	0	0	23
Stock-based compensation expense	163,723	7,078	3,301
Paid-in-kind interest	0	28,334	11,633
Change in fair value of warrants payable and amortization of warrants	(66,146)	80,328	2,909
Change in derivative liabilities	0	(93,751)	138,561
Accretion, net of amortization	200	(195)	(2,857)
Net realized losses (gains) on available-for-sale securities	53	(1,114)	(111)
Asset impairment charges	0	0	1,632
Changes in operating assets and liabilities:
Accrued retrospective premiums	(94)	(21,604)	7,546
Other receivables	(2,914)	(5,865)	4,115
Reinsurance recoverable	(96)	481	63,610
Surety bonds and deposits	(12,613)	0	0
Prepaid expenses	(1,579)	(6,473)	600
Other assets	(19,757)	1,003	(470)
Healthcare receivables	(9,297)	(12,926)	(14,511)
Operating lease right-of-use assets	3,591	3,257	(11,933)
Unpaid claims	36,948	26,090	23,882
Accounts payable and accrued expenses	5,307	10,845	6,298
Accrued salaries and benefits	11,169	186	(2,235)
Premium deficiency reserve	110,628	(17,128)	7,523
Reinsurance premium payable	0	0	(64,414)
Deferred rent	68	0	(2,677)
Other liabilities	979	1,378	168
Performance year obligation	36,891	0	0
Direct Contracting payable	37,773	0	0
Operating lease liabilities	(4,331)	(3,703)	14,805
Net cash used in operating activities	(282,326)	(118,498)	(159,875)
Cash flows from investing activities:
Purchases of short-term investments and available-for-sale securities	(876,252)	(174,318)	(505,545)
Proceeds from sales of short-term investments and available-for-sale securities	126,862	248,664	269,205
Proceeds from maturities of short-term investments and available-for-sale securities	314,666	63,751	46,415
Proceeds from maturities of held-to-maturity securities	0	0	9,220
Acquisition of business, net of cash acquired	0	0	(1,180)
Purchases of property and equipment	(723)	(693)	(23)
Net cash (used in) provided by investing activities	(435,447)	137,404	(181,908)
Cash flows from financing activities:
Proceeds from issuance of convertible notes	0	20,000	343,410
Deferred financing costs	0	(98)	(363)
Payment of notes payable principal	(30,925)	(18,752)	(9,670)
Issuance of common stock, net of early exercise liability	6,144	1,748	601
Proceeds from reverse recapitalization, net of transaction costs	666,241	0	0
Buyback and subsequent cancellation of common shares	0	(957)	0
Proceeds received for the exercise of Public and Private Warrants	390	0	0
Issuance of common stock, net of stock issuance costs	283,775	0	0
Payment for the redemptions of Public Warrants	(85)	0	0
Treasury stock acquired	(147)	0	0
Acquisition of noncontrolling interest	0	3,903	0
Net cash provided by financing activities	925,393	5,844	333,978
Net increase (decrease) in cash and cash equivalents	207,620	24,750	(7,805)
Cash and cash equivalents, beginning of year	92,348	67,598	75,403
Cash and cash equivalents, end of year	299,968	92,348	67,598
Supplemental cash flow disclosures
Cash paid during the year for interest	1,677	4,578	6,257
Cash paid during the year for health insurance industry fee	0	8,022	0
Supplemental disclosure of non-cash investing and financing activities
Fair value of warrants issued in connection with notes payable	0	0	17,672
Settlement of bridge loan in connection with convertible notes	0	0	30,416
Conversion of preferred stock to common stock	447,747	0	0
Issuance of common stock related to convertible debt	16,059	0	0
Capital contribution for extinguishment of debt	126,795	0	0
Issuance of common stock related to warrants exercised	97,782	0	0
Acquisition of Public and Private Warrants	147,582	0	0
Issuance of common stock related to the exercise of Public and Private Warrants	81,283	0	0
Right-of-use assets obtained in exchange for lease liabilities	$ 1,076	$ 42	$ 459