CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net loss	$ (90,098)	$ (32,707)
Adjustments to reconcile net loss to net cash used in operating activities:
Share-based compensation expense	8,715	1,414
Gain on change in fair value of SAFE and warrant liabilities	(4,663)	(766)
Loss on change in fair value of the prepaid forward contract and the Fixed Maturity Consideration	33,029	0
Provision for losses on trade and other receivables	800	0
Depreciation of property, plant and equipment	2,605	2,222
Amortization of discount on debt security investment	(508)	0
Non-cash lease expense	387	886
Non-cash recognition of licensing revenue	(1,136)	(1,080)
Loss (gain) from equity method investees, net	478	(2,813)
Net foreign exchange loss (gain)	194	(605)
Changes in operating assets and liabilities:
Accounts receivable, net	3,129	(3,296)
Contract assets	(3,668)	(3,807)
Accrued interest on debt investment	(93)	0
Other assets	(8,942)	(4,638)
Accounts payable and accrued salaries and wages	1,881	4,077
Contract liabilities	(150)	(237)
Operating lease liabilities	(19)	(996)
Other liabilities	(1,057)	(159)
Net cash used in operating activities	(59,116)	(42,505)
Cash Flows From Investing Activities:
Purchase of property, plant and equipment	(5,318)	(4,894)
Purchase of debt securities	(49,103)	0
Forward purchase option derivative purchase, net of transaction costs	(60,096)	0
Purchase of additional interest in equity method investment	(288)	0
Origination of related party loan	(5,212)	0
Net cash used in investing activities	(120,017)	(4,894)
Cash Flows From Financing Activities:
Proceeds from issue of equity instruments of the Company	0	7
Proceeds from the Business Combination and PIPE, net of transaction expenses (Note 3)	213,381	0
Proceeds from exercise of options	1,077	0
Repurchase of equity instruments of the Company	(7,650)	0
Net cash provided by financing activities	206,808	7
Net increase (decrease) in cash, cash equivalents and restricted cash	27,675	(47,392)
Cash, cash equivalents and restricted cash at beginning of period	83,710	128,732
Effects of currency translation on cash, cash equivalents and restricted cash	4	(71)
Cash, cash equivalents and restricted cash at end of period	111,389	81,269
Supplemental disclosure of non-cash investing and financing activities:
Acquisition of property, plant and equipment under accounts payable	125	713
Reclassification of capitalized costs related to the business combination to equity	1,514	0
Cashless conversion of warrants on preferred shares	5,890	0
Recognition of public and private warrant liabilities in the Business Combination	4,624	0
Reclassification of AM SAFE warrant to equity	1,800	0
Conversion of AM SAFE liability into common stock	29,730	0
Conversion of Legacy LanzaTech NZ, Inc. preferred stock and in-kind dividend into common stock	722,160	0
Reclassification of Shortfall warrant to equity	$ 3,063	$ 0