CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities:
Net income (loss)	$ 15,959	$ 1,155
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	4,189	3,373
Stock-based compensation expense	13,672	3,970
Loss (Income) from equity method investments	(1,376)	(2,033)
Other noncash items	(1,785)	556
Changes in operating assets and liabilities	(91,470)	(30,254)
Net cash provided by (used in) operating activities	(60,811)	(23,233)
Cash flows from investing activities:
Purchase of property and equipment, net	(3,717)	(4,049)
Purchase of intangible assets	0	(1,000)
Investment in loans receivable and other	(1,301)	(4,503)
Investments in marketable debt securities	(29,969)	0
Proceeds from maturities and sales of marketable securities and other	28,540	683
Net cash paid in business combination	(44,367)	0
Net cash provided by (used in) investing activities	(50,814)	(8,869)
Cash flows from financing activities:
Proceeds from other equity issuances, net	9,589	14,756
Repayments of long-term debt	(1,250)	(1,250)
Net cash provided by (used in) financing activities	8,339	13,506
Net increase (decrease) in cash, cash equivalents and restricted cash and equivalents	(103,286)	(18,596)
Cash, cash equivalents and restricted cash and equivalents, beginning of period	507,680	1,054,820
Cash, cash equivalents and restricted cash and equivalents, end of period	$ 404,394	$ 1,036,224