Equipment Related to Power Purchase Agreements and Fuel Delivered to Customers, net (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Equipment Related to Power Purchase Agreements and Fuel Delivered to Customers, net
Lessor property and equipment related to power purchase agreements	$ 90,878	$ 92,736
Less: accumulated depreciation	(16,664)	(16,929)
Lessor property and equipment related to power purchase agreements, net	$ 74,214	$ 75,807

Amount, before accumulated depreciation, of lessor's underlying asset for which right to use has been conveyed to lessee under operating lease.

No definition available.

Name:	plug_PropertyPlantAndEquipmentLessorAssetUnderOperatingLeaseBeforeAccumulatedDepreciation
Namespace Prefix:	plug_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant