Commitments and Contingencies - Contract Dispute Resolution (Details) $ in Millions	3 Months Ended
Jun. 30, 2026 USD ($)
Commitments and Contingencies.
Total consideration	$ 50.0
Contract asset balance derecognized	13.0
Recovery Of Impairment Loss Of Contract Assets	$ 37.0

Amount of decrease in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, derecognition of contract assets relating to resolution of contract dispute.

No definition available.

Name:	plug_ContractAssetDecreaseFromDerecognitionOfContractAssetsRelatingToResolutionOfDispute
Namespace Prefix:	plug_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration