Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total Plug power Stockholder's Equity	Common Stock	Additional Paid-in-Capital	Accumulated Other Comprehensive Gain/(Loss)	Treasury Stock	Accumulated Deficit	Non-controlling Interests	Total
Balance at Dec. 31, 2023	$ 2,898,125	$ 6,254	$ 7,494,685	$ (6,802)	$ (106,268)	$ (4,489,744)		$ 2,898,125
Balance (in shares) at Dec. 31, 2023		625,305,025
Treasury Stock, Shares, Beginning Balance at Dec. 31, 2023					19,169,366
Increase (Decrease) in Stockholders' Equity
Net loss	(295,776)					(295,776)		(295,776)
Other comprehensive loss	(2,276)			(2,276)				(2,276)
Stock-based compensation	13,704	$ 9	13,695					13,704
Stock-based compensation (in shares)		923,027
Public offerings, common stock, net of issuance costs	305,346	$ 796	304,550					305,346
Public offerings, common stock, net of issuance costs (in shares)		79,553,175
Stock option exercises and issuance of common stock upon grant/vesting of restricted stock and restricted stock unit awards	41	$ (2)	43					41
Stock option exercises and issuance of common stock upon grant/vesting of restricted stock and restricted stock unit awards (in shares)		(176,678)
Treasury stock acquired from employees upon exercise of stock options and vesting of restricted stock and restricted stock unit awards	(278)				$ (278)			(278)
Treasury stock acquired from employees upon exercise of stock options and vesting of restricted stock and restricted stock unit awards (in shares)					72,849
Provision for common stock warrants	10,236		10,236					10,236
Balance Ending at Mar. 31, 2024	2,929,122	$ 7,057	7,823,209	(9,078)	$ (106,546)	(4,785,520)		2,929,122
Treasury Stock, Shares, Ending Balance at Mar. 31, 2024					19,242,215
Balance (in shares) at Mar. 31, 2024		705,604,549
Balance at Dec. 31, 2024	1,734,137	$ 9,342	8,430,537	(2,502)	$ (108,795)	(6,594,445)	$ 73,619	$ 1,807,756
Balance (in shares) at Dec. 31, 2024		934,126,897						934,126,897
Treasury Stock, Shares, Beginning Balance at Dec. 31, 2024					20,230,043			20,230,043
Increase (Decrease) in Stockholders' Equity
Net loss	(196,656)					(196,656)	(203)	$ (196,859)
Other comprehensive loss	(2,729)			(2,729)				(2,729)
Stock-based compensation	11,087	$ 15	11,072					11,087
Stock-based compensation (in shares)		1,545,763
Public offerings, common stock, net of issuance costs	276,053	$ 517	275,536					276,053
Public offerings, common stock, net of issuance costs (in shares)		51,654,177
Stock option exercises and issuance of common stock upon grant/vesting of restricted stock and restricted stock unit awards		$ (2)	2
Stock option exercises and issuance of common stock upon grant/vesting of restricted stock and restricted stock unit awards (in shares)		(157,005)
Treasury stock acquired from employees upon exercise of stock options and vesting of restricted stock and restricted stock unit awards	(49)				$ (49)			(49)
Treasury stock acquired from employees upon exercise of stock options and vesting of restricted stock and restricted stock unit awards (in shares)					27,027
Provision for common stock warrants	7,049		7,049					7,049
Additional paid-in capital due to contributions to consolidated VIE	(1,971)		(1,971)				1,971
Principal payment of convertible debentures settled in common stock	30,279	$ 105	30,174					30,279
Principal payment of convertible debentures settled in common stock (in shares)		10,440,906
Balance Ending at Mar. 31, 2025	$ 1,857,200	$ 9,977	$ 8,752,399	$ (5,231)	$ (108,844)	$ (6,791,101)	$ 75,387	$ 1,932,587
Treasury Stock, Shares, Ending Balance at Mar. 31, 2025					20,257,070			20,257,070
Balance (in shares) at Mar. 31, 2025		997,610,738						997,610,738