Equipment Related to Power Purchase Agreements and Fuel Delivered to Customers, net - Components (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Equipment Related to Power Purchase Agreements and Fuel Delivered to Customers, net
Equipment related to power purchase agreements and fuel delivered to customers	$ 99,230	$ 92,736
Less: accumulated depreciation	(20,519)	(16,929)
Equipment related to power purchase agreements and fuel delivered to customers, net	$ 78,711	$ 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