XML 144 R112.htm IDEA: XBRL DOCUMENT
v3.21.1

Income Taxes - Change In Valuation Allowance (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Change in valuation allowance |  |  |
Increase in valuation allowance for current year increase in net operating losses | $ 51,848 |  |
Increase (decrease) in valuation allowance for current year net increase (decrease) in deferred tax assets other than net operating losses | (5,609) |  |
Decrease in valuation allowance as a result of foreign currency fluctuation | 6,306 |  |
Increase in valuation allowance due to change in tax rates | 372 |  |
Net increase in valuation allowance | 52,917 | $ 16,416 | $ 12,503
U.S. |  |  |
Change in valuation allowance |  |  |
Increase in valuation allowance for current year increase in net operating losses | 51,848 |  |
Increase (decrease) in valuation allowance for current year net increase (decrease) in deferred tax assets other than net operating losses | (5,742) |  |
Decrease in valuation allowance as a result of foreign currency fluctuation | 6,306 |  |
Net increase in valuation allowance | 52,412 | 15,720 | 12,771
Foreign |  |  |
Change in valuation allowance |  |  |
Increase (decrease) in valuation allowance for current year net increase (decrease) in deferred tax assets other than net operating losses | 133 |  |
Increase in valuation allowance due to change in tax rates | 372 |  |
Net increase in valuation allowance | $ 505 | $ 696 | $ (268)

X
- Definition Decrease in valuation allowance as a result of foreign currency fluctuation + References No definition available. + Details
Name: | plug_DecreaseInValuationAllowanceAsResultOfForeignCurrencyFluctuation
Namespace Prefix: | plug_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Increase In Valuation Allowance As a Result Of Change In Tax Rates. + References No definition available. + Details
Name: | plug_IncreaseInValuationAllowanceAsResultOfChangeInTaxRates
Namespace Prefix: | plug_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Increase in valuation allowance for current year increase in net operating losses: + References No definition available. + Details
Name: | plug_IncreaseInValuationAllowanceForCurrentYearIncreaseInNetOperatingLosses
Namespace Prefix: | plug_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Increase in valuation allowance for current year net increase in deferred tax assets other than net operating losses: + References No definition available. + Details
Name: | plug_IncreaseInValuationAllowanceForCurrentYearNetIncreaseInDeferredTaxAssetsOtherThanNetOperatingLosses
Namespace Prefix: | plug_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
Name: | us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- 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. + References No definition available. + Details
Name: | us-gaap_ValuationAllowanceLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_DomesticCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_ForeignCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |