Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities
Net loss	$ (153,098)	$ (75,525)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization expense	4,853	988
Stock-based compensation	3,347	2,520
Loss on disposal of property and equipment	0	647
Change in fair value measurements	(1,186)	26,917
Loss (gain) on foreign exchange	894	(831)
Non-cash interest expense	2,319	25,131
Loss on extinguishment of related party notes payable, notes payable and vendor payables in trust, net	0	1,309
Other	108	0
Changes in operating assets and liabilities
Deposits	6,840	(1,025)
Other current and other non-current assets	2,095	(480)
Accounts payable	5,747	(635)
Accrued expenses and other current liabilities	14,527	665
Operating lease liabilities	(882)	0
Accrued interest expense	(7,928)	0
Net cash used in operating activities	(122,364)	(20,319)
Cash flows from investing activities
Payments for property and equipment	(44,398)	(711)
Net cash used in investing activities	(44,398)	(711)
Cash flows from financing activities
Proceeds from related party notes payable	0	200
Proceeds from notes payable, net of original issuance discount	0	76,140
Payments of related party notes payable	0	(1,528)
Payments of notes payable, including Payment Premium	(87,065)	(3,355)
Payments of finance lease obligations	(466)	(1,110)
Proceeds from exercise of stock options	1,855	2,650
Net cash (used in) provided by financing activities	(85,676)	72,997
Effect of exchange rate changes on cash and restricted cash	(653)	(548)
Net (decrease) increase in cash and restricted cash	(253,091)	51,419
Cash and restricted cash, beginning of period	530,477	1,827
Cash and restricted cash, end of period	277,386	53,246
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]
Cash	276,374	47,525
Restricted cash	1,012	5,721
Total cash and restricted cash, end of period	277,386	53,246
Supplemental disclosure of noncash investing and financing activities
Operating leases	8,206	0
Additions of property and equipment included in accounts payable and accrued expenses	1,881	0
Conversion of The9 Conditional Obligation to equity	0	2,863
Supplemental disclosure of cash flow information
Cash paid for interest	$ 10,040	$ 772