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 income (loss)	$ (73,412)	$ 32,252
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Stock-based compensation expense	23,569	17,280
Depreciation and amortization expense	50	15
Changes in operating assets and liabilities:
Accounts receivable		(50,000)
Prepaid expenses and other current assets	2,991	2,895
Other assets		(293)
Accounts payable	9,351	16,456
Accrued expenses and other liabilities	(41,584)	23,586
Deferred revenue		(76,376)
Operating lease liabilities	840
Net cash used in operating activities	(78,195)	(34,185)
Cash flows from investing activities
Additions to property and equipment	(1,923)
Net cash used in investing activities	(1,923)
Cash flows from financing activities
Proceeds from issuance of common stock for exercise of stock options	223	528
Net cash provided by financing activities	223	528
Net decrease in cash, cash equivalents and restricted cash	(79,895)	(33,657)
Cash, cash equivalents and restricted cash at the beginning of period	764,680	850,224
Cash, cash equivalents and restricted cash at the end of period	684,785	816,567
Cash, cash equivalents and restricted cash at the end of period:
Cash and cash equivalents	684,480	816,460
Restricted cash	305	107
Cash, cash equivalents and restricted cash at the end of period	684,785	$ 816,567
Supplemental disclosure of noncash financing activities
Right of use assets obtained in exchange for operating lease liabilities	$ 2,938