Investments - Equity Method Investments (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Schedule of Equity Method Investments
Carrying Value	$ 82,476		$ 82,875
Capital commitment to be made in remainder of 2025	$ 300
HyVia
Schedule of Equity Method Investments
Payments to acquire equity method investments		$ 16,200
AccionaPlug S.L.
Schedule of Equity Method Investments
Common Stock Ownership %	50.00%		50.00%
Carrying Value	$ 4,603		$ 4,276
Payments to acquire equity method investments	$ 500	1,700
Clean H2 Infra Fund
Schedule of Equity Method Investments
Common Stock Ownership %	5.00%		5.00%
Carrying Value	$ 30,100		$ 29,111
Payments to acquire equity method investments	$ 0	4,000
SK Plug Hyverse
Schedule of Equity Method Investments
Common Stock Ownership %	49.00%		49.00%
Carrying Value	$ 47,773		$ 49,488
Payments to acquire equity method investments	$ 0	$ 0

Amount of capital commitments relating to equity method investments to be paid in remainder of current fiscal year.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References

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- Definition

The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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