XML 125 R93.htm IDEA: XBRL DOCUMENT
v3.21.1

Convertible Senior Notes (Details) - USD ($) $ in Thousands | 12 Months Ended |  |  |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2019 | Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | May 31, 2020 | May 29, 2020 | May 18, 2020 | Mar. 31, 2020 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Mar. 31, 2018
Convertible Senior Notes |  |  |  |  |  |  |  |  |  |  |  |
Net carrying amount | $ 110,431 | $ 85,640 | $ 105,088 | $ 142,889 |  |  |  | $ 113,063 | $ 107,945 | $ 66,844 | $ 65,025 |
3.75% Convertible Senior Notes |  |  |  |  |  |  |  |  |  |  |  |
Convertible Senior Notes |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  | 212,463 |  |  | $ 212,463 | $ 12,500 | $ 200,000 |  |  |  |  |
Unamortized debt discount |  | (124,655) |  |  |  |  |  |  |  |  |  |
Unamortized debt issuance costs |  | (2,295) |  |  |  |  |  |  |  |  |  |
Net carrying amount |  | 85,513 |  |  |  |  |  |  |  |  |  |
Carrying amount of the equity component |  | 130,249 |  |  |  |  | 130,300 |  |  |  |  |
5.5% Convertible Senior Notes |  |  |  |  |  |  |  |  |  |  |  |
Convertible Senior Notes |  |  |  |  |  |  |  |  |  |  |  |
Principal amount | 100,000 | 160 |  |  |  |  | $ 100,000 |  |  |  |  | $ 100,000
Unamortized debt discount | (27,818) | (32) |  |  |  |  |  |  |  |  |  |
Unamortized debt issuance costs | (1,567) | (1) |  |  |  |  |  |  |  |  |  |
Net carrying amount | 70,615 | $ 127 |  |  |  |  |  |  |  |  |  |
Carrying amount of the equity component | 37,702 |  |  |  | $ 37,700 |  |  |  |  |  |  |
Income tax benefit on equity component | $ 9,200 |  |  |  |  |  |  |  |  |  |  |

X
- Definition The amount of income tax benefit on equity component of transaction costs. + References No definition available. + Details
Name: | plug_IncomeTaxBenefitTransactionCostsEquityComponent
Namespace Prefix: | plug_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Convertible Notes Payable, excluding current portion. Convertible Notes Payable is a written promise to pay a note which can be exchanged for a specified amount of another, related security, at the option of the issuer and the holder. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_ConvertibleLongTermNotesPayable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870 + Details
Name: | us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after accumulated amortization, of debt discount. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28541-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentUnamortizedDiscount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28555-108399 + Details
Name: | us-gaap_DeferredFinanceCostsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_DebtInstrumentAxis=plug_ThreePointSevenFivePercentOfConvertibleSeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=plug_FivePointFivePercentOfConvertibleSeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |