Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net loss	$ (82,125)	$ (35,493)
Adjustments to reconcile net loss to net cash used in operating activities:
(Gain) loss on equity investments	(11,828)	1,781
Noncash revenue from equity investments		(11)
Fair value adjustments	21,864	(19,906)
Depreciation and amortization	2,095	1,614
Stock-based compensation	19,561	11,382
Noncash research and development expenses		811
Noncash investment amortization	1,719	2,343
(Gain) loss on disposal of property and equipment	(4)	19
Gain on lease termination	(2)
Decrease (increase) in assets, net of acquisition:
Accounts receivable, net	13,489	10,064
Unbilled and other receivables	(4,095)	(925)
Reduction in the carrying amount of right of use assets	3,140	2,663
Prepaid expenses and other assets	(8,719)	(3,914)
(Decrease) increase in liabilities, net of acquisition:
Accounts payable	(2,938)	(2,489)
Accrued payroll, taxes, and benefits	(1,872)	(1,460)
Deferred revenue	(17,887)	(8,030)
Lease liabilities	364	(2,816)
Other accrued liabilities	2,860	4,074
Net cash used in operating activities	(64,378)	(40,293)
Cash flows from investing activities:
Purchases of property and equipment	(3,670)	(3,427)
Purchases of equity investments	(600)	(1,700)
Distribution from equity investment	11,828	375
Proceeds from sale of equity investments		15,735
Acquisition, net of acquired cash	(6,427)
Purchases of marketable securities	(111,215)	(222,725)
Proceeds from maturity of marketable securities	180,710	164,645
Net cash provided by (used in) investing activities	70,626	(47,097)
Cash flows from financing activities:
Issuances of common stock upon stock option exercises	1,304	5,268
Contribution by noncontrolling interest		25
Net cash provided by financing activities	1,304	5,293
Net increase (decrease) in cash and cash equivalents and restricted cash	7,552	(82,097)
Cash and cash equivalents and restricted cash, beginning of period	123,267	202,796
Cash and cash equivalents and restricted cash, end of period	130,819	120,699
Supplemental disclosure of cash flow and noncash information
Cash paid for income taxes	171	224
Supplemental disclosure of non-cash investing and financing activities
Purchases of property and equipment in accounts payable	80	$ 51
Acquisition of right to use assets, contingency resolution	1,513
Acquisition of right of use assets	14,767
Acquisition of lease liabilities	$ 14,767