Fair Value Measurements - Narrative (Details) $ in Thousands	9 Months Ended
Sep. 30, 2024 USD ($)
Fair Value Measurements
Transfers between Level 1, Level 2, and Level 3	$ 0

Amount of transfers of assets and liabilities measured on a recurring basis in and out of Level 1, Level 2, and Level 3 of the fair value hierarchy.

No definition available.

Name:	plug_FairValueAssetsAndLiabilitiesTransfersBetweenLevel1Level2Level3Amount
Namespace Prefix:	plug_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration