CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets
Cash and cash equivalents	$ 310,079	$ 103,791
Short-term investments	24,238	41,457
Investment securities, available-for-sale (Amortized cost: 2023: $184,424; 2022: $193,300)	182,600	189,498
Investment securities, held-to-maturity (Fair value: 2023: $3,511; 2022: $15)	3,680	15
Accrued retrospective premiums	2,063	20,387
Other receivables	16,636	23,596
Healthcare receivables	51,266	70,607
Non-Insurance performance year receivable	377,239	0
Non-Insurance receivable	61,652	52,955
Surety bonds and deposits	81,329	100,502
Prepaid expenses	15,245	18,146
Other assets, current	2,901	4,043
Total current assets	1,128,928	624,997
Investment securities, available-for-sale (Amortized cost: 2023: $87,398; 2022: $142,940)	82,507	137,368
Investment securities, held-to-maturity (Fair value: 2023: $3,789; 2022: $636)	3,985	742
Property and equipment, net	4,616	5,753
Operating lease right-of-use assets	3,868	4,025
Goodwill and other intangible assets	19,460	20,000
Other assets, non-current	14,633	15,735
Total assets	1,257,997	808,620
Current liabilities
Unpaid claims	117,622	141,947
Non-Insurance performance year obligation, current	441,417	73,844
Non-Insurance payable	171,497	148,191
Accounts payable and accrued expenses	39,919	32,445
Accrued salaries and benefits	19,651	23,962
Deferred revenue	113,537	0
Operating lease liabilities	1,746	1,827
Premium deficiency reserve	291	7,239
Total current liabilities	907,758	431,507
Long-term operating lease liabilities	3,606	4,033
Other liabilities, non-current	16,063	16,193
Total liabilities	927,427	451,733
Commitments and Contingencies (Note 14)
Stockholders' equity
Additional paid-in capital	2,395,000	2,319,157
Accumulated other comprehensive loss	(6,715)	(9,374)
Accumulated deficit	(2,047,853)	(1,946,433)
Less: Treasury stock, at cost; 5,445,714 and 2,072,752 shares held at June 30, 2023 and December 31, 2022, respectively	(9,908)	(6,509)
Total stockholders' equity	330,570	356,887
Total liabilities and stockholders' equity	1,257,997	808,620
Related party
Current liabilities
Due to related parties, net	1,181	1,566
Other liabilities, current	1,181	1,566
Nonrelated Party
Current liabilities
Due to related parties, net	897	486
Other liabilities, current	897	486
Common Class A
Stockholders' equity
Common stock, value	37	37
Common Class B
Stockholders' equity
Common stock, value	$ 9	$ 9