CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net income (loss)	$ (6,034)	$ 15,959
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization	5,844	4,189
Stock-based compensation expense	16,909	13,672
Loss (income) from equity method investments	(5,684)	(1,376)
(Gain) loss on sale of assets, net	4,996	0
Other noncash items	(472)	(1,785)
Changes in operating assets and liabilities:	(63,335)	(91,470)
Net cash provided by (used in) operating activities	(47,776)	(60,811)
Cash flows from investing activities:
Purchase of property and equipment	(3,139)	(3,717)
Purchase of intangible assets	(11,438)	0
Funding of loans receivable and other	(8,508)	(1,301)
Investments in marketable securities	0	(29,969)
Proceeds from maturities of marketable securities and other	74,523	28,540
Net cash paid in business combination	0	(44,367)
Net cash provided by (used in) investing activities	51,438	(50,814)
Cash flows from financing activities:
Proceeds from equity issuances, net	1,809	9,589
Repayments of long-term debt	(1,250)	(1,250)
Net cash provided by (used in) financing activities	559	8,339
Net increase (decrease) in cash, cash equivalents and restricted cash and equivalents	4,221	(103,286)
Cash, cash equivalents and restricted cash and equivalents from continuing operations, beginning of period	114,329	475,912
Cash, cash equivalents and restricted cash and equivalents from discontinued operations, beginning of period	0	31,768
Cash, cash equivalents and restricted cash and equivalents, beginning of period	114,329	507,680
Cash, cash equivalents and restricted cash and equivalents from continuing operations, end of period	118,550	397,023
Cash, cash equivalents and restricted cash and equivalents from discontinued operations, end of period	0	7,371
Cash, cash equivalents and restricted cash and equivalents, end of period	$ 118,550	$ 404,394