Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues	$ 0	$ 0	$ 0	$ 0
Operating expenses
General and administrative expense	32,128	14,616	85,195	29,233
Development expense, net	1,083	1,133	1,965	3,870
Lease expense	2,582	299	3,245	808
Depreciation expense	42	41	117	129
Total operating expenses	35,835	16,089	90,522	34,040
Total operating loss	(35,835)	(16,089)	(90,522)	(34,040)
Other income (expense)
Gain (loss) on common stock warrant liabilities	3,302	(2,773)	(2,520)	(7,192)
Derivative gain	240,265	0	152,816	0
Interest income	966	0	1,329	0
Interest expense, net of capitalized interest	(32,536)	0	(32,536)	0
Other, net	5,682	65	5,641	86
Total other income (expense)	217,679	(2,708)	124,730	(7,106)
Net income (loss) attributable to NextDecade Corporation	181,844	(18,797)	34,208	(41,146)
Less: net income attributable to non-controlling interest	67,204	0	67,204	0
Less: preferred stock dividends	7,030	6,248	20,484	17,777
Net income (loss) attributable to common stockholders	$ 107,610	$ (25,045)	$ (53,480)	$ (58,923)
Net income (loss) per common share - basic (in dollars per share)	$ 0.48	$ (0.19)	$ (0.31)	$ (0.47)
Net income (loss) per common share - diluted (in dollars per share)	$ 0.48	$ (0.19)	$ (0.31)	$ (0.47)
Weighted average shares outstanding - basic (in shares)	222,466	129,418	173,720	125,716
Weighted average shares outstanding - diluted (in shares)	226,336	129,418	173,720	125,716