Operating Segments - Reconciliation of Revenue of Segments to Statement of Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Segment Reporting [Abstract]
Gross loss	$ (9,259)		$ (69,415)
Salaries and benefits	73,364	$ 16,628	201,555	$ 57,339
General and administrative expenses	45,749	29,847	129,983	79,798
Premium deficiency reserve (benefit)	20,761	(772)	48,661	(16,357)
Depreciation and amortization	120	138	398	413
Other expense	0	0	191	0
Change in fair value of warrants payable	(115,152)	20,029	(66,146)	31,903
Interest expense	413	9,268	2,817	25,560
Amortization of notes and securities discounts	13	4,408	13,681	14,935
Net (loss) income	$ (34,527)	$ 12,758	$ (400,555)	$ (10,001)