Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net income (loss)	$ (34,451)	$ (523)
Adjustments to reconcile net loss to net cash used in operating activities:
Loss on equity investments		1,781
Noncash revenue from equity investments		(5)
Fair value adjustments	6,164	(24,824)
Depreciation and amortization	969	887
Stock-based compensation	9,134	4,366
Noncash research and development expenses		498
Noncash investment amortization	1,504	1,955
(Gain) loss on disposal of property and equipment	(4)	19
Decrease (increase) in assets, net of acquisition:
Accounts receivable, net	2,935	20,153
Unbilled and other receivables	(7,390)	(3,065)
Reduction in the carrying amount of right of use assets	1,221	1,264
Prepaid expenses and other assets	(7,725)	(3,549)
Increase (decrease) in liabilities, net of acquisition:
Accounts payable	1,328	(1,230)
Accrued payroll, taxes, and benefits	(7,454)	(1,655)
Deferred revenue	(7,079)	(8,447)
Lease liabilities	489	(1,352)
Other accrued liabilities	637	2,806
Net cash used in operating activities	(39,722)	(10,921)
Cash flows from investing activities:
Purchases of property and equipment	(1,696)	(513)
Distribution from equity investment		40
Proceeds from sale of equity investments		15,735
Acquisition, net of acquired cash	(6,427)
Purchases of marketable securities	(55,068)	(143,671)
Proceeds from maturity of marketable securities	99,495	66,500
Net cash provided by (used in) investing activities	36,304	(61,909)
Cash flows from financing activities:
Issuances of common stock upon stock option exercises	908	3,656
Net cash provided by financing activities	908	3,656
Net decrease in cash and cash equivalents and restricted cash	(2,510)	(69,174)
Cash and cash equivalents and restricted cash, beginning of period	123,267	202,796
Cash and cash equivalents and restricted cash, end of period	120,757	133,622
Supplemental disclosure of cash flow and noncash information
Cash paid for income taxes	37	119
Supplemental disclosure of non-cash investing and financing activities
Purchases of property and equipment in accounts payable	317	$ 52
Purchases of property and equipment in accrued liabilities	343
Acquisition of right to use assets, contingency resolution	1,513
Acquisition of right of use assets	1,146
Acquisition of lease liabilities	$ 1,146