Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities:
Net loss before allocation to noncontrolling interest	$ (222,677)	$ (103,113)
Adjustments to reconcile net loss before noncontrolling interest to cash used in operating activities:
Gain on sale of Nano	0	(24,542)
Depreciation and amortization	54,469	4,711
Gain on remeasurement of warrant liabilities	(8,986)	(19,114)
Loss on disposal/sale of property and equipment	110	305
Amortization of debt issuance costs	1,155	0
Stock-based compensation	13,289	9,391
Issuance of common stock for commitment shares	0	332
Changes in operating assets and liabilities:
Accounts receivable	0	(1,993)
Inventory	0	(2,461)
Prepaid expenses and other current assets	12,082	(24,588)
Accounts payable and accrued expenses	(149)	18,438
Operating lease liabilities	48	40
Deferred revenue	0	2,395
Other assets and liabilities	1,717	(16,265)
Net cash used in operating activities	(148,942)	(156,464)
Cash flows from investing activities:
Purchase of property and equipment and advance launch payments	118,807	57,284
Proceeds from sale of Nano, net of cash deconsolidated and transaction costs	0	25,932
Net cash used in investing activities	(118,807)	(31,352)
Cash flows from financing activities:
Proceeds from debt	63,500	230
Repayments of debt	(242)	0
Payment for debt issuance costs	(9,653)	0
Proceeds from issuance of common stock, net of issuance costs	63,767	102,023
Issuance of equity under employee stock plan	225	73
Employee taxes paid for stock-based compensation awards	(865)	0
Proceeds from warrant exercises	0	14
Net cash provided by financing activities	116,732	102,340
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(142)	195
Net (decrease) increase in cash, cash equivalents and restricted cash	(151,159)	(85,281)
Cash, cash equivalents and restricted cash, beginning of period	239,256	324,537
Cash, cash equivalents and restricted cash, end of period	88,097	239,256
Non-cash transactions:
Purchases of property and equipment in accounts payable and accrued expense	18,409	4,926
Right-of-use assets obtained in exchange for operating lease liabilities	6,739	1,129
Interest	3,243	224
Income taxes, net	$ 492	$ 684