XML 51 R109.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Share-based compensation (Narrative) (Details) $ in Thousands | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2015 | Dec. 31, 2019 USD ($) shares | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | May 14, 2014 shares | Mar. 31, 2012 shares
Share-Based Compensation [Line Items] |  |  |  |  |  |
Share based compensation expense | $ |  | $ 69,410 | $ 95,176 | $ 107,719 |  |
Equity Incentive Plan 2012 |  |  |  |  |  |
Share-Based Compensation [Line Items] |  |  |  |  |  |
Equity awards available for grants (in shares) |  |  |  |  |  | 8,064,081
Equity Incentive Plan 2014 |  |  |  |  |  |
Share-Based Compensation [Line Items] |  |  |  |  |  |
Equity awards available for grants (in shares) |  |  |  |  | 4,500,000 |
NV Equity Plan |  |  |  |  |  |
Share-Based Compensation [Line Items] |  |  |  |  |  |
Restricted stock units convertible to common shares, conversion ratio | 1 |  |  |  |  |
NV Equity Plan | Minimum |  |  |  |  |  |
Share-Based Compensation [Line Items] |  |  |  |  |  |
Equity award vesting period |  | 3 years |  |  |  |
NV Equity Plan | Maximum |  |  |  |  |  |
Share-Based Compensation [Line Items] |  |  |  |  |  |
Equity award vesting period |  | 5 years |  |  |  |
Restricted Stock Units | NV Equity Plan |  |  |  |  |  |
Share-Based Compensation [Line Items] |  |  |  |  |  |
Restricted stock units converted to restricted stock (in shares) |  | 435,000 |  |  |  |
Restricted Stock | NV Equity Plan |  |  |  |  |  |
Share-Based Compensation [Line Items] |  |  |  |  |  |
Restricted stock units converted to restricted stock (in shares) |  | 435,000 |  |  |  |
Shares withheld to pay taxes (in shares) |  | 208,704 |  |  |  |
Shares withheld to pay taxes, treated as converted (in shares) |  | 57,786 |  |  |  |
Share based compensation expense | $ |  | $ 4,700 |  |  |  |
Converted Restricted Stock | NV Equity Plan |  |  |  |  |  |
Share-Based Compensation [Line Items] |  |  |  |  |  |
Shares withheld to pay taxes (in shares) |  | 162,806 |  |  |  |
Share based compensation expense | $ |  | $ 3,000 |  |  |  |

X
- Definition Restricted Stock Units, Convertible, Conversion Ratio + References No definition available. + Details
Name: | aer_RestrictedStockUnitsConvertibleConversionRatio
Namespace Prefix: | aer_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based compensation [Line Items] + References No definition available. + Details
Name: | aer_ShareBasedCompensationLineItems
Namespace Prefix: | aer_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Converted in Period + References No definition available. + Details
Name: | aer_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsConvertedinPeriod
Namespace Prefix: | aer_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Shares Paid for Tax Withholding for Share Based Compensation, Treated As Converted + References No definition available. + Details
Name: | aer_SharesPaidforTaxWithholdingforShareBasedCompensationTreatedAsConverted
Namespace Prefix: | aer_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares authorized for issuance under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement. + References No definition available. + Details
Name: | us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PlanNameAxis=aer_EquityIncentivePlanTwoThousandTwelveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=aer_EquityIncentivePlanTwoThousandFourteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=aer_NvEquityPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=aer_ConvertedRestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |