CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities:
Net income (loss)	$ (260,101)	$ (262,803)	$ (106,864)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	24,463	20,161	13,772
Stock-based compensation expense	50,657	69,495	28,381
Impairments	3,596	0	0
Loss (income) from equity method investments	(14,992)	(16,489)	(10,720)
Deferred income taxes and uncertain tax positions	0	0	532
Release of indemnification assets	0	0	553
Distributions of earnings from equity method investments	3,340	0	0
(Gain) loss on sale of assets, net	3,784	47,548	0
Other non-cash items	887	(4,044)	2,973
Changes in operating assets and liabilities:
Receivables, net	(74,580)	(460,365)	(204,167)
Prepaid expense and other current assets	8,405	(6,120)	(16,620)
Other assets	6	(397)	(205)
Medical claims and related payables	193,941	441,500	107,713
Accounts payable and accrued expenses	4,635	32,111	65,736
Other liabilities	(1,818)	(16,796)	(11,892)
Net cash provided by (used in) operating activities	(57,777)	(156,199)	(130,808)
Cash flows from investing activities:
Purchase of property and equipment	(13,251)	(15,830)	(15,426)
Purchase of intangible assets	(28,034)	(14,985)	(17,235)
Investments in loans receivable and other	(13,733)	(19,528)	(6,510)
Investments in marketable securities	(12,006)	(114,657)	(458,265)
Proceeds from maturities and sales of marketable securities and other	206,915	164,040	52,548
Net cash paid in business combination	0	(45,252)	0
Proceeds from sale of business and property, net of cash divested	0	2,193	500
Net cash provided by (used in) investing activities	139,891	(44,019)	(444,388)
Cash flows from financing activities:
Proceeds from equity issuances, net	1,167	11,867	33,056
Common stock repurchase	0	(200,000)	0
Repayments of long-term debt	(3,750)	(5,000)	(5,000)
Net cash provided by (used in) financing activities	(2,583)	(193,133)	28,056
Net increase (decrease) in cash, cash equivalents and restricted cash and equivalents	79,531	(393,351)	(547,140)
Cash, cash equivalents and restricted cash and equivalents from continuing operations, beginning of year	114,329	475,912	1,049,373
Cash, cash equivalents and restricted cash and equivalents from discontinued operations, beginning of year	0	31,768	5,447
Cash, cash equivalents and restricted cash and equivalents, beginning of year	114,329	507,680	1,054,820
Cash, cash equivalents and restricted cash and equivalents from continuing operations, end of year	193,860	114,329	475,912
Cash, cash equivalents and restricted cash and equivalents from discontinued operations, end of year	0	0	31,768
Cash, cash equivalents and restricted cash and equivalents, end of year	$ 193,860	$ 114,329	$ 507,680