$AYR
Aircastle LTD Stock $ayr

$ayr Overview Financials Valuation SEC Filings Company Website

2016 Q4 Form 10-K Financial Statement

#000136298818000067 Filed on February 13, 2018

Income Statement

Concept	2016 Q4	2016 Q3	2016 Q2
Revenue	$204.7M	$194.7M	$190.0M
YoY Change	-1.74%	-8.22%	-7.13%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin		$15.99M	$15.41M
YoY Change		13.92%	4.81%
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$305.2M	$76.20M	$75.07M
YoY Change		-10.69%	-2.97%
% of Gross Profit
Operating Expenses		$166.3M	$171.9M
YoY Change		-30.91%	-5.14%
Operating Profit
YoY Change
Interest Expense		$62.39M	$62.64M
YoY Change		3.3%	1.71%
% of Operating Profit
Other Income/Expense, Net		-$283.0K	$2.319M
YoY Change		-101.8%	-89.15%
Pretax Income		-$92.00K	$1.158M
YoY Change		-115.41%	37.86%
Income Tax		$2.458M	$2.385M
% Of Pretax Income			205.96%
Net Earnings	$151.5M	$27.44M	$20.03M
YoY Change	199.07%	-296.13%	-52.09%
Net Earnings / Revenue	74.0%	14.1%	10.54%
Basic Earnings Per Share	$0.86	$0.35	$0.25
Diluted Earnings Per Share	$0.86	$0.35	$0.25
COMMON SHARES
Basic Shares Outstanding	78.63M shares	77.99M shares	78.16M shares
Diluted Shares Outstanding		78.02M shares	78.16M shares

Balance Sheet

Concept	2016 Q4	2016 Q3	2016 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$455.6M	$656.2M	$493.2M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment
YoY Change
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$72.98M	$67.16M	$64.36M
YoY Change	44.86%	36.7%	32.12%
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$7.245B	$7.183B	$6.946B
YoY Change	10.27%	10.7%	2.09%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities
YoY Change
LONG-TERM LIABILITIES
Long-Term Debt
YoY Change
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities
YoY Change
TOTAL LIABILITIES
Total Short-Term Liabilities
Total Long-Term Liabilities
Total Liabilities	$5.410B	$5.398B	$5.169B
YoY Change	12.94%	14.17%	3.01%
SHAREHOLDERS EQUITY
Retained Earnings	$315.9M	$268.6M	$260.0M
YoY Change	30.76%	27.72%	7.38%
Common Stock	$1.522B	$1.521B	$1.521B
YoY Change	-1.88%	-3.05%	-2.92%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.834B	$1.785B	$1.776B
YoY Change
Total Liabilities & Shareholders Equity	$7.245B	$7.183B	$6.946B
YoY Change	10.27%	10.7%	2.09%

Cashflow Statement

Concept	2016 Q4	2016 Q3	2016 Q2
OPERATING ACTIVITIES
Net Income	$151.5M	$27.44M	$20.03M
YoY Change	199.07%	-296.13%	-52.09%
Depreciation, Depletion And Amortization	$305.2M	$76.20M	$75.07M
YoY Change		-10.69%	-2.97%
Cash From Operating Activities
YoY Change
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions
YoY Change
Other Investing Activities	$839.0K
YoY Change
Cash From Investing Activities
YoY Change
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net	$588.8M
YoY Change
Cash From Financing Activities
YoY Change
NET CHANGE
Cash From Operating Activities
Cash From Investing Activities
Cash From Financing Activities
Net Change In Cash
YoY Change
FREE CASH FLOW
Cash From Operating Activities
Capital Expenditures
Free Cash Flow
YoY Change

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2015	ayr	Advance Lease Rentals Security Deposits Maintenance Payments Other Liabilitiesand Other Assets Settled In Sale Of Flight Equipment AdvanceLeaseRentalsSecurityDepositsMaintenancePaymentsOtherLiabilitiesandOtherAssetsSettledInSaleOfFlightEquipment	93601000	USD
CY2016	ayr	Advance Lease Rentals Security Deposits Maintenance Payments Other Liabilitiesand Other Assets Settled In Sale Of Flight Equipment AdvanceLeaseRentalsSecurityDepositsMaintenancePaymentsOtherLiabilitiesandOtherAssetsSettledInSaleOfFlightEquipment	75335000	USD
CY2017	ayr	Advance Lease Rentals Security Deposits Maintenance Payments Other Liabilitiesand Other Assets Settled In Sale Of Flight Equipment AdvanceLeaseRentalsSecurityDepositsMaintenancePaymentsOtherLiabilitiesandOtherAssetsSettledInSaleOfFlightEquipment	132585000	USD
CY2015	ayr	Aggregate Percentage Of Weighted Average Shares Percent AggregatePercentageOfWeightedAverageSharesPercent	1.0000
CY2016	ayr	Aggregate Percentage Of Weighted Average Shares Percent AggregatePercentageOfWeightedAverageSharesPercent	1.0000
CY2017	ayr	Aggregate Percentage Of Weighted Average Shares Percent AggregatePercentageOfWeightedAverageSharesPercent	1.0000
CY2016Q3	ayr	Aircraft Reclassifiedas Finance Leases AircraftReclassifiedasFinanceLeases	3	Aircraft
CY2015	ayr	Amortizationof Lease Incentives Premiumsand Discounts Net AmortizationofLeaseIncentivesPremiumsandDiscountsNet	10664000	USD
CY2016	ayr	Amortizationof Lease Incentives Premiumsand Discounts Net AmortizationofLeaseIncentivesPremiumsandDiscountsNet	10353000	USD
CY2017	ayr	Amortizationof Lease Incentives Premiumsand Discounts Net AmortizationofLeaseIncentivesPremiumsandDiscountsNet	11714000	USD
CY2014Q4	ayr	Cashand Restricted Cash Carrying Value CashandRestrictedCashCarryingValue	268540000	USD
CY2015Q4	ayr	Cashand Restricted Cash Carrying Value CashandRestrictedCashCarryingValue	254041000	USD
CY2016Q4	ayr	Cashand Restricted Cash Carrying Value CashandRestrictedCashCarryingValue	508817000	USD
CY2017Q4	ayr	Cashand Restricted Cash Carrying Value CashandRestrictedCashCarryingValue	233857000	USD
CY2015	ayr	Cashand Restricted Cash Period Increase Decrease CashandRestrictedCashPeriodIncreaseDecrease	-14499000	USD
CY2016	ayr	Cashand Restricted Cash Period Increase Decrease CashandRestrictedCashPeriodIncreaseDecrease	254776000	USD
CY2017	ayr	Cashand Restricted Cash Period Increase Decrease CashandRestrictedCashPeriodIncreaseDecrease	-274960000	USD
CY2017	ayr	Costof Shares Repurchasedfrom Employeesand Directors CostofSharesRepurchasedfromEmployeesandDirectors	4858000	USD
CY2015	ayr	Interest Expense Debt Settlement Of Derivatives And Other Liabilities InterestExpenseDebtSettlementOfDerivativesAndOtherLiabilities	204326000	USD
CY2016	ayr	Interest Expense Debt Settlement Of Derivatives And Other Liabilities InterestExpenseDebtSettlementOfDerivativesAndOtherLiabilities	228774000	USD
CY2017	ayr	Interest Expense Debt Settlement Of Derivatives And Other Liabilities InterestExpenseDebtSettlementOfDerivativesAndOtherLiabilities	223260000	USD
CY2016Q4	ayr	Lease Incentives And Lease Premiums Net LeaseIncentivesAndLeasePremiumsNet	96587000	USD
CY2017Q4	ayr	Lease Incentives And Lease Premiums Net LeaseIncentivesAndLeasePremiumsNet	74515000	USD
CY2016Q4	ayr	Lease Incentivesand Lease Premiums Accumulated Amortization LeaseIncentivesandLeasePremiumsAccumulatedAmortization	39638000	USD
CY2015	ayr	Restricted Secured Liquidity Facility Collateral Financing Activities RestrictedSecuredLiquidityFacilityCollateralFinancingActivities	0	USD
CY2017	ayr	Numberof Performance Based Shares Target NumberofPerformanceBasedSharesTarget	214847	shares
CY2015	ayr	Participating Securities Distributedand Undistributed Earningsof Net Income Percent ParticipatingSecuritiesDistributedandUndistributedEarningsofNetIncomePercent	0.0076
CY2016	ayr	Participating Securities Distributedand Undistributed Earningsof Net Income Percent ParticipatingSecuritiesDistributedandUndistributedEarningsofNetIncomePercent	0.0083
CY2017	ayr	Participating Securities Distributedand Undistributed Earningsof Net Income Percent ParticipatingSecuritiesDistributedandUndistributedEarningsofNetIncomePercent	0.0071
CY2017Q4	ayr	Lease Incentivesand Lease Premiums Accumulated Amortization LeaseIncentivesandLeasePremiumsAccumulatedAmortization	41246000	USD
CY2015	ayr	Leases Income Statement Lease Revenue LeasesIncomeStatementLeaseRevenue	801460000	USD
CY2016	ayr	Leases Income Statement Lease Revenue LeasesIncomeStatementLeaseRevenue	765647000	USD
CY2017	ayr	Leases Income Statement Lease Revenue LeasesIncomeStatementLeaseRevenue	791432000	USD
CY2015	ayr	Net Cashand Restricted Cash Provided By Used In Investing Activities NetCashandRestrictedCashProvidedByUsedInInvestingActivities	-847662000	USD
CY2016	ayr	Net Cashand Restricted Cash Provided By Used In Investing Activities NetCashandRestrictedCashProvidedByUsedInInvestingActivities	-663155000	USD
CY2017	ayr	Net Cashand Restricted Cash Provided By Used In Investing Activities NetCashandRestrictedCashProvidedByUsedInInvestingActivities	-517107000	USD
CY2015	ayr	Net Cashand Restricted Cash Providedby Used In Financing Activities NetCashandRestrictedCashProvidedbyUsedInFinancingActivities	306878000	USD
CY2016	ayr	Net Cashand Restricted Cash Providedby Used In Financing Activities NetCashandRestrictedCashProvidedbyUsedInFinancingActivities	449839000	USD
CY2017	ayr	Net Cashand Restricted Cash Providedby Used In Financing Activities NetCashandRestrictedCashProvidedbyUsedInFinancingActivities	-248724000	USD
CY2015	ayr	Net Cashand Restricted Cash Providedby Usedin Operating Activities NetCashandRestrictedCashProvidedbyUsedinOperatingActivities	526285000	USD
CY2016	ayr	Net Cashand Restricted Cash Providedby Usedin Operating Activities NetCashandRestrictedCashProvidedbyUsedinOperatingActivities	468092000	USD
CY2017	ayr	Net Cashand Restricted Cash Providedby Usedin Operating Activities NetCashandRestrictedCashProvidedbyUsedinOperatingActivities	490871000	USD
CY2017Q4	ayr	Numberof Aircraft Financed NumberofAircraftFinanced	29	Aircraft
CY2017Q4	ayr	Numberof Major Financial Institutions NumberofMajorFinancialInstitutions	3	financial_institution
CY2016	ayr	Restricted Secured Liquidity Facility Collateral Financing Activities RestrictedSecuredLiquidityFacilityCollateralFinancingActivities	65000000	USD
CY2017	ayr	Restricted Secured Liquidity Facility Collateral Financing Activities RestrictedSecuredLiquidityFacilityCollateralFinancingActivities	0	USD
CY2016	ayr	Returnof Capitaland Cumulative Net Income Lossfrom Equity Method Investment ReturnofCapitalandCumulativeNetIncomeLossfromEquityMethodInvestment	-5473000	USD
CY2017	ayr	Returnof Capitaland Cumulative Net Income Lossfrom Equity Method Investment ReturnofCapitalandCumulativeNetIncomeLossfromEquityMethodInvestment	-6600000	USD
CY2015	ayr	Secured Liquidity Facility Collateral Financing Activities SecuredLiquidityFacilityCollateralFinancingActivities	0	USD
CY2016	ayr	Secured Liquidity Facility Collateral Financing Activities SecuredLiquidityFacilityCollateralFinancingActivities	65000000	USD
CY2017	ayr	Secured Liquidity Facility Collateral Financing Activities SecuredLiquidityFacilityCollateralFinancingActivities	0	USD
CY2015	ayr	Security Deposits And Maintenance Payments Included In Earnings Net SecurityDepositsAndMaintenancePaymentsIncludedInEarningsNet	35843000	USD
CY2016	ayr	Security Deposits And Maintenance Payments Included In Earnings Net SecurityDepositsAndMaintenancePaymentsIncludedInEarningsNet	23123000	USD
CY2017	ayr	Security Deposits And Maintenance Payments Included In Earnings Net SecurityDepositsAndMaintenancePaymentsIncludedInEarningsNet	17947000	USD
CY2015	ayr	Security Depositsand Maintenance Payments Received Financing Activities SecurityDepositsandMaintenancePaymentsReceivedFinancingActivities	152391000	USD
CY2016	ayr	Security Depositsand Maintenance Payments Received Financing Activities SecurityDepositsandMaintenancePaymentsReceivedFinancingActivities	171672000	USD
CY2017	ayr	Security Depositsand Maintenance Payments Received Financing Activities SecurityDepositsandMaintenancePaymentsReceivedFinancingActivities	192830000	USD
CY2015	ayr	Security Depositsand Maintenance Payments Returned Financing Activities SecurityDepositsandMaintenancePaymentsReturnedFinancingActivities	33398000	USD
CY2016	ayr	Security Depositsand Maintenance Payments Returned Financing Activities SecurityDepositsandMaintenancePaymentsReturnedFinancingActivities	51658000	USD
CY2017	ayr	Security Depositsand Maintenance Payments Returned Financing Activities SecurityDepositsandMaintenancePaymentsReturnedFinancingActivities	141185000	USD
CY2017	ayr	Shares Repurchasedfrom Employeesand Directors SharesRepurchasedfromEmployeesandDirectors	224972	shares
CY2015	ayr	Total Weighted Average Shares TotalWeightedAverageShares	81105002	shares
CY2016	ayr	Total Weighted Average Shares TotalWeightedAverageShares	78815438	shares
CY2017	ayr	Total Weighted Average Shares TotalWeightedAverageShares	78776050	shares
CY2017Q4	ayr	Totalnumberofaircraftownedbyjointventures Totalnumberofaircraftownedbyjointventures	12	Aircraft
CY2015	ayr	Weighted Average Numberof Shares Outstanding Basic Percent WeightedAverageNumberofSharesOutstandingBasicPercent	0.9924
CY2016	ayr	Weighted Average Numberof Shares Outstanding Basic Percent WeightedAverageNumberofSharesOutstandingBasicPercent	0.9917
CY2017	ayr	Weighted Average Numberof Shares Outstanding Basic Percent WeightedAverageNumberofSharesOutstandingBasicPercent	0.9929
CY2017	dei	Amendment Flag AmendmentFlag	false
CY2017	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2017	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2017	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2017
CY2017	dei	Document Period End Date DocumentPeriodEndDate	2017-12-31
CY2017	dei	Document Type DocumentType	10-K
CY2017	dei	Entity Central Index Key EntityCentralIndexKey	0001362988
CY2018Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	78564901	shares
CY2017	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2017	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2017Q2	dei	Entity Public Float EntityPublicFloat	1040970000	USD
CY2017	dei	Entity Registrant Name EntityRegistrantName	Aircastle LTD
CY2017	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2017	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2016Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	127527000	USD
CY2017Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	140221000	USD
CY2016Q4	us-gaap	Accounts Payable And Other Accrued Liabilities AccountsPayableAndOtherAccruedLiabilities	24337000	USD
CY2017Q4	us-gaap	Accounts Payable And Other Accrued Liabilities AccountsPayableAndOtherAccruedLiabilities	50948000	USD
CY2016Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	6035000	USD
CY2017Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	12815000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-3552000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1350000	USD
CY2016Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1521190000	USD
CY2017Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1527796000	USD
CY2015	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	5537000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	7901000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	11469000	USD
CY2015	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	493000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	273000	USD
CY2016Q4	us-gaap	Advance Rent AdvanceRent	62225000	USD
CY2017Q4	us-gaap	Advance Rent AdvanceRent	57630000	USD
CY2015	us-gaap	Aircraft Maintenance Materials And Repairs AircraftMaintenanceMaterialsAndRepairs	11502000	USD
CY2016	us-gaap	Aircraft Maintenance Materials And Repairs AircraftMaintenanceMaterialsAndRepairs	7773000	USD
CY2017	us-gaap	Aircraft Maintenance Materials And Repairs AircraftMaintenanceMaterialsAndRepairs	9077000	USD
CY2015	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	14878000	USD
CY2016	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	18508000	USD
CY2017	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	19435000	USD
CY2015	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	14878000	USD
CY2016	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	18508000	USD
CY2017	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	19435000	USD
CY2015	us-gaap	Asset Impairment Charges AssetImpairmentCharges	119835000	USD
CY2016	us-gaap	Asset Impairment Charges AssetImpairmentCharges	28585000	USD
CY2017	us-gaap	Asset Impairment Charges AssetImpairmentCharges	80430000	USD
CY2016Q4	us-gaap	Assets Assets	7244665000	USD
CY2017Q4	us-gaap	Assets Assets	7199083000	USD
CY2017Q4	us-gaap	Capital Leased Assets Number Of Units CapitalLeasedAssetsNumberOfUnits	31	Aircraft
CY2017Q4	us-gaap	Capital Leases Future Minimum Payments Receivable CapitalLeasesFutureMinimumPaymentsReceivable	328398000	USD
CY2017Q4	us-gaap	Capital Leases Future Minimum Payments Receivable Current CapitalLeasesFutureMinimumPaymentsReceivableCurrent	66820000	USD
CY2017Q4	us-gaap	Capital Leases Future Minimum Payments Receivable Due Thereafter CapitalLeasesFutureMinimumPaymentsReceivableDueThereafter	36766000	USD
CY2017Q4	us-gaap	Capital Leases Future Minimum Payments Receivable In Five Years CapitalLeasesFutureMinimumPaymentsReceivableInFiveYears	41020000	USD
CY2017Q4	us-gaap	Capital Leases Future Minimum Payments Receivable In Four Years CapitalLeasesFutureMinimumPaymentsReceivableInFourYears	52662000	USD
CY2017Q4	us-gaap	Capital Leases Future Minimum Payments Receivable In Three Years CapitalLeasesFutureMinimumPaymentsReceivableInThreeYears	64455000	USD
CY2017Q4	us-gaap	Capital Leases Future Minimum Payments Receivable In Two Years CapitalLeasesFutureMinimumPaymentsReceivableInTwoYears	66675000	USD
CY2015	us-gaap	Capital Leases Income Statement Direct Financing Lease Revenue CapitalLeasesIncomeStatementDirectFinancingLeaseRevenue	7658000	USD
CY2016	us-gaap	Capital Leases Income Statement Direct Financing Lease Revenue CapitalLeasesIncomeStatementDirectFinancingLeaseRevenue	17190000	USD
CY2017	us-gaap	Capital Leases Income Statement Direct Financing Lease Revenue CapitalLeasesIncomeStatementDirectFinancingLeaseRevenue	25716000	USD
CY2016Q4	us-gaap	Capital Leases Net Investment In Direct Financing Leases CapitalLeasesNetInvestmentInDirectFinancingLeases	260853000	USD
CY2017Q4	us-gaap	Capital Leases Net Investment In Direct Financing Leases CapitalLeasesNetInvestmentInDirectFinancingLeases	545750000	USD
CY2017Q4	us-gaap	Capital Leases Net Investment In Direct Financing Leases Deferred Income CapitalLeasesNetInvestmentInDirectFinancingLeasesDeferredIncome	173030000	USD
CY2017Q4	us-gaap	Capital Leases Net Investment In Direct Financing Leases Minimum Payments To Be Received CapitalLeasesNetInvestmentInDirectFinancingLeasesMinimumPaymentsToBeReceived	328398000	USD
CY2017Q4	us-gaap	Capital Leases Net Investment In Direct Financing Leases Unguaranteed Residual Values Of Leased Property CapitalLeasesNetInvestmentInDirectFinancingLeasesUnguaranteedResidualValuesOfLeasedProperty	390382000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	455579000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	211922000	USD
CY2016Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2017Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2015Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.22
CY2015Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.22
CY2015Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.22
CY2015Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.24
CY2016Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.24
CY2016Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.24
CY2016Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.24
CY2016Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.26
CY2017Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.26
CY2017Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.26
CY2017Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.26
CY2017Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.28
CY2015	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.90
CY2016	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.98
CY2017	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.06
CY2016Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2017Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2016Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	250000000	shares
CY2017Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	250000000	shares
CY2016Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	78593133	shares
CY2017Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	78707963	shares
CY2016Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	78593133	shares
CY2017Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	78707963	shares
CY2016Q4	us-gaap	Common Stock Value CommonStockValue	786000	USD
CY2017Q4	us-gaap	Common Stock Value CommonStockValue	787000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	146976000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	161114000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	150076000	USD
CY2015	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	4167000	USD
CY2016	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	2004000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	6503000	USD
CY2015	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	14499000	USD
CY2016	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	3560000	USD
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	6574000	USD
CY2015	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	19660000	USD
CY2016	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	6151000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	14990000	USD
CY2015	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	994000	USD
CY2016	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	587000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1913000	USD
CY2016Q4	us-gaap	Customer Advances And Deposits CustomerAdvancesAndDeposits	591757000	USD
CY2017Q4	us-gaap	Customer Advances And Deposits CustomerAdvancesAndDeposits	649434000	USD
CY2017Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	4357933000	USD
CY2015	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	829000	USD
CY2016	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	1350000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-5474000	USD
CY2015	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-7775000	USD
CY2016	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	4963000	USD
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-2313000	USD
CY2015	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-6889000	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	6156000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-8948000	USD
CY2015Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	88158000	USD
CY2016Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	93961000	USD
CY2017Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	62025000	USD
CY2015Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	33907000	USD
CY2016Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	42338000	USD
CY2017Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	36050000	USD
CY2015	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-6889000	USD
CY2016	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	6156000	USD
CY2017	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-8948000	USD
CY2016Q4	us-gaap	Deferred Revenue Leases Accumulated Amortization DeferredRevenueLeasesAccumulatedAmortization	29016000	USD
CY2017Q4	us-gaap	Deferred Revenue Leases Accumulated Amortization DeferredRevenueLeasesAccumulatedAmortization	36111000	USD
CY2016Q4	us-gaap	Deferred Revenue Leases Net DeferredRevenueLeasesNet	15842000	USD
CY2017Q4	us-gaap	Deferred Revenue Leases Net DeferredRevenueLeasesNet	14597000	USD
CY2015	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	57000	USD
CY2016	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-157000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1161000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	54251000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	51623000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	25975000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	1902000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	497000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	52007000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	47538000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	22804000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	761000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1902000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1272000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	1483000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	2183000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	1899000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	44241000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	36547000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	442000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1227000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	-354000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	87716000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	92734000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	62379000	USD
CY2017Q4	us-gaap	Deferred Tax Liability Not Recognized Amount Of Unrecognized Deferred Tax Liability Undistributed Earnings Of Foreign Subsidiaries DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityUndistributedEarningsOfForeignSubsidiaries	3421000	USD
CY2016Q4	us-gaap	Deposits On Flight Equipment DepositsOnFlightEquipment	12923000	USD
CY2017Q4	us-gaap	Deposits On Flight Equipment DepositsOnFlightEquipment	23704000	USD
CY2015	us-gaap	Depreciation Depreciation	318783000	USD
CY2016	us-gaap	Depreciation Depreciation	305216000	USD
CY2017	us-gaap	Depreciation Depreciation	298664000	USD
CY2016Q4	us-gaap	Disposal Group Including Discontinued Operation Property Plant And Equipment DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment	3834000	USD
CY2017Q4	us-gaap	Disposal Group Including Discontinued Operation Property Plant And Equipment DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment	707000	USD
CY2015Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	17860000	USD
CY2015Q2	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	17863000	USD
CY2015Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	17860000	USD
CY2015Q4	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	19377000	USD
CY2016Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	18915000	USD
CY2016Q2	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	18915000	USD
CY2016Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	18872000	USD
CY2016Q4	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	20434000	USD
CY2017Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	20466000	USD
CY2017Q2	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	20482000	USD
CY2017Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	20464000	USD
CY2017Q4	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	22039000	USD
CY2015	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	72960000	USD
CY2016	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	77137000	USD
CY2017	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	83433000	USD
CY2015	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.50
CY2016Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.46
CY2016Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.25
CY2016Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.35
CY2016Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.86
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.92
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.92
CY2017Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.54
CY2017Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.09
CY2017Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.73
CY2017Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.70
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.88
CY2015	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.50
CY2016Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.46
CY2016Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.25
CY2016Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.35
CY2016Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.86
CY2017Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.54
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.09
CY2017Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.73
CY2017Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.70
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.87
CY2017	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y7M13D
CY2015Q4	us-gaap	Equity Method Investments EquityMethodInvestments	50377000	USD
CY2016Q4	us-gaap	Equity Method Investments EquityMethodInvestments	72977000	USD
CY2017Q4	us-gaap	Equity Method Investments EquityMethodInvestments	76982000	USD
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet	0	USD
CY2015	us-gaap	Gain Loss On Cash Flow Hedge Ineffectiveness Net GainLossOnCashFlowHedgeIneffectivenessNet	-455000	USD
CY2016	us-gaap	Gain Loss On Cash Flow Hedge Ineffectiveness Net GainLossOnCashFlowHedgeIneffectivenessNet	0	USD
CY2017	us-gaap	Gain Loss On Cash Flow Hedge Ineffectiveness Net GainLossOnCashFlowHedgeIneffectivenessNet	0	USD
CY2015	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	58017000	USD
CY2016	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	39126000	USD
CY2017	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	55167000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	2433000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	2230000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	2801000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	125810000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	154275000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	143504000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	128243000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	156505000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	146305000	USD
CY2015	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	6257000	USD
CY2016	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	7255000	USD
CY2017	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	7611000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12771000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12307000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6042000	USD
CY2015	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	44885000	USD
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	54777000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	51207000	USD
CY2015	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	737000	USD
CY2016	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	525000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	-236000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	188000	USD
CY2015	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	221000	USD
CY2015	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-165000	USD
CY2016	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-255000	USD
CY2016	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	182000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	168000	USD
CY2015	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	12716000	USD
CY2016	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	16693000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	4576000	USD
CY2015	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	7255000	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-4014000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	13857000	USD
CY2015	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	5406000	USD
CY2016	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-832000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	6734000	USD
CY2015	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	15665000	USD
CY2016	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	3645000	USD
CY2017	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-1478000	USD
CY2015	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	5033000	USD
CY2016	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	1089000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	7655000	USD
CY2015	us-gaap	Incremental Common Shares Attributable To Participating Nonvested Shares With Non Forfeitable Dividend Rights IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights	615611	shares
CY2016	us-gaap	Incremental Common Shares Attributable To Participating Nonvested Shares With Non Forfeitable Dividend Rights IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights	653944	shares
CY2017	us-gaap	Incremental Common Shares Attributable To Participating Nonvested Shares With Non Forfeitable Dividend Rights IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights	556592	shares
CY2015	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	105000	USD
CY2016	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	1140000	USD
CY2017	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	3411000	USD
CY2015	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	0	USD
CY2016	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	144000	USD
CY2017	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	255000	USD
CY2015	us-gaap	Interest Expense InterestExpense	243682000	USD
CY2016	us-gaap	Interest Expense InterestExpense	256944000	USD
CY2017	us-gaap	Interest Expense InterestExpense	244897000	USD
CY2015	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-243577000	USD
CY2016	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-255660000	USD
CY2017	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-241231000	USD
CY2015	us-gaap	Interest Paid Net InterestPaidNet	195162000	USD
CY2016	us-gaap	Interest Paid Net InterestPaidNet	224705000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	228125000	USD
CY2016Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	43107000	USD
CY2017Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	38129000	USD
CY2015	us-gaap	Interest Rate Cash Flow Hedge Gain Loss Reclassified To Earnings Net InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet	-24023000	USD
CY2016	us-gaap	Interest Rate Cash Flow Hedge Gain Loss Reclassified To Earnings Net InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet	-9662000	USD
CY2017	us-gaap	Interest Rate Cash Flow Hedge Gain Loss Reclassified To Earnings Net InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet	-2202000	USD
CY2016Q4	us-gaap	Interest Rate Derivative Assets At Fair Value InterestRateDerivativeAssetsAtFairValue	5735000	USD
CY2017Q4	us-gaap	Interest Rate Derivative Assets At Fair Value InterestRateDerivativeAssetsAtFairValue	3254000	USD
CY2016Q4	us-gaap	Liabilities Liabilities	5410351000	USD
CY2017Q4	us-gaap	Liabilities Liabilities	5291519000	USD
CY2016Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	7244665000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	7199083000	USD
CY2015	us-gaap	Liabilities Assumed1 LiabilitiesAssumed1	13307000	USD
CY2016	us-gaap	Liabilities Assumed1 LiabilitiesAssumed1	202808000	USD
CY2017	us-gaap	Liabilities Assumed1 LiabilitiesAssumed1	149100000	USD
CY2016Q4	us-gaap	Long Term Debt LongTermDebt	4506245000	USD
CY2017Q4	us-gaap	Long Term Debt LongTermDebt	4313606000	USD
CY2017Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	1332823000	USD
CY2017Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	521377000	USD
CY2017Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	584439000	USD
CY2017Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	617680000	USD
CY2017Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	473567000	USD
CY2017Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	828047000	USD
CY2017	us-gaap	Long Term Purchase Commitment Minimum Quantity Required LongTermPurchaseCommitmentMinimumQuantityRequired	25	Aircraft
CY2016	us-gaap	Loss On Contract Termination LossOnContractTermination	4960000	USD
CY2017	us-gaap	Loss On Contract Termination LossOnContractTermination	2058000	USD
CY2015	us-gaap	Maintenance Revenue MaintenanceRevenue	71049000	USD
CY2016	us-gaap	Maintenance Revenue MaintenanceRevenue	33590000	USD
CY2017	us-gaap	Maintenance Revenue MaintenanceRevenue	56128000	USD
CY2015	us-gaap	Net Income Loss NetIncomeLoss	121729000	USD
CY2016Q1	us-gaap	Net Income Loss NetIncomeLoss	36262000	USD
CY2016Q2	us-gaap	Net Income Loss NetIncomeLoss	20030000	USD
CY2016Q3	us-gaap	Net Income Loss NetIncomeLoss	27437000	USD
CY2016Q4	us-gaap	Net Income Loss NetIncomeLoss	67724000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	151453000	USD
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	42439000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	-7116000	USD
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	57431000	USD
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	55120000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	147874000	USD
CY2015	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	120805000	USD
CY2016	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	150196000	USD
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	146829000	USD
CY2015	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	120805000	USD
CY2016	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	150196000	USD
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	146829000	USD
CY2015	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	58936000	USD
CY2016	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	42653000	USD
CY2017	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	52691000	USD
CY2016Q4	us-gaap	Notes And Loans Receivable Net Noncurrent NotesAndLoansReceivableNetNoncurrent	0	USD
CY2017Q4	us-gaap	Notes And Loans Receivable Net Noncurrent NotesAndLoansReceivableNetNoncurrent	10000000	USD
CY2017	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
CY2015	us-gaap	Operating Expenses OperatingExpenses	749895000	USD
CY2016	us-gaap	Operating Expenses OperatingExpenses	659106000	USD
CY2017	us-gaap	Operating Expenses OperatingExpenses	703006000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	18785000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	1716000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	1681000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	1649000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	1618000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	2531000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	9590000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Receivable OperatingLeasesFutureMinimumPaymentsReceivable	3264835000	USD
CY2016Q4	us-gaap	Other Assets OtherAssets	148398000	USD
CY2017Q4	us-gaap	Other Assets OtherAssets	141210000	USD
CY2016Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	27417000	USD
CY2017Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	28533000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	25247000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Receivable Current OperatingLeasesFutureMinimumPaymentsReceivableCurrent	722081000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Five Years OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears	317708000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Four Years OperatingLeasesFutureMinimumPaymentsReceivableInFourYears	406349000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Three Years OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears	519345000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Two Years OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears	634922000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Receivable Thereafter OperatingLeasesFutureMinimumPaymentsReceivableThereafter	664430000	USD
CY2015	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	733417000	USD
CY2016	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	725220000	USD
CY2017	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	721302000	USD
CY2015	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	1163000	USD
CY2016	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	1951000	USD
CY2017	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	2143000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	9661000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2202000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-24023000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-9662000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-2202000	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	1224000	USD
CY2016	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-1000	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	0	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	35000	USD
CY2016	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	0	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	0	USD
CY2015	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	896000	USD
CY2016	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	6867000	USD
CY2017	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-1476000	USD
CY2015	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	919000	USD
CY2016	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	3527000	USD
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-2476000	USD
CY2015	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	17742000	USD
CY2016	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	7311000	USD
CY2017	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	5188000	USD
CY2015	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	924000	USD
CY2016	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	1257000	USD
CY2017	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	1045000	USD
CY2015	us-gaap	Payments For Derivative Instrument Financing Activities PaymentsForDerivativeInstrumentFinancingActivities	0	USD
CY2016	us-gaap	Payments For Derivative Instrument Financing Activities PaymentsForDerivativeInstrumentFinancingActivities	2283000	USD
CY2017	us-gaap	Payments For Derivative Instrument Financing Activities PaymentsForDerivativeInstrumentFinancingActivities	0	USD
CY2015	us-gaap	Payments For Flight Equipment PaymentsForFlightEquipment	1320669000	USD
CY2016	us-gaap	Payments For Flight Equipment PaymentsForFlightEquipment	1331059000	USD
CY2016	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	18890000	USD
CY2017	us-gaap	Payments For Flight Equipment PaymentsForFlightEquipment	1038343000	USD
CY2015	us-gaap	Payments For Other Deposits PaymentsForOtherDeposits	6812000	USD
CY2016	us-gaap	Payments For Other Deposits PaymentsForOtherDeposits	9628000	USD
CY2017	us-gaap	Payments For Other Deposits PaymentsForOtherDeposits	7681000	USD
CY2015	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	610000	USD
CY2016	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	839000	USD
CY2017	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	5122000	USD
CY2015	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	72960000	USD
CY2016	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	77137000	USD
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	83433000	USD
CY2015	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	11881000	USD
CY2017	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	8540000	USD
CY2016	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	20818000	USD
CY2017	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	2994000	USD
CY2015	us-gaap	Payments To Acquire Finance Receivables PaymentsToAcquireFinanceReceivables	91648000	USD
CY2016	us-gaap	Payments To Acquire Finance Receivables PaymentsToAcquireFinanceReceivables	78892000	USD
CY2017	us-gaap	Payments To Acquire Finance Receivables PaymentsToAcquireFinanceReceivables	331721000	USD
CY2015	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	0	USD
CY2016	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	18048000	USD
CY2017	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	0	USD
CY2016Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2017Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2016Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2017Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2016Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2017Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2016Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2017Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2016Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2017Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2015	us-gaap	Proceeds From Collection Of Finance Receivables ProceedsFromCollectionOfFinanceReceivables	9559000	USD
CY2016	us-gaap	Proceeds From Collection Of Finance Receivables ProceedsFromCollectionOfFinanceReceivables	19413000	USD
CY2017	us-gaap	Proceeds From Collection Of Finance Receivables ProceedsFromCollectionOfFinanceReceivables	32184000	USD
CY2015	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	975000000	USD
CY2016	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1054250000	USD
CY2017	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	675000000	USD
CY2015	us-gaap	Proceeds From Repurchase Of Equity ProceedsFromRepurchaseOfEquity	-20881000	USD
CY2016	us-gaap	Proceeds From Repurchase Of Equity ProceedsFromRepurchaseOfEquity	-37337000	USD
CY2017	us-gaap	Proceeds From Repurchase Of Equity ProceedsFromRepurchaseOfEquity	-4862000	USD
CY2015	us-gaap	Proceeds From Sale Of Flight Equipment ProceedsFromSaleOfFlightEquipment	562518000	USD
CY2016	us-gaap	Proceeds From Sale Of Flight Equipment ProceedsFromSaleOfFlightEquipment	755898000	USD
CY2017	us-gaap	Proceeds From Sale Of Flight Equipment ProceedsFromSaleOfFlightEquipment	833576000	USD
CY2015	us-gaap	Property Plant And Equipment Transfers And Changes PropertyPlantAndEquipmentTransfersAndChanges	40327000	USD
CY2016	us-gaap	Property Plant And Equipment Transfers And Changes PropertyPlantAndEquipmentTransfersAndChanges	142950000	USD
CY2017	us-gaap	Property Plant And Equipment Transfers And Changes PropertyPlantAndEquipmentTransfersAndChanges	154213000	USD
CY2016Q4	us-gaap	Property Subject To Or Available For Operating Lease Accumulated Depreciation PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation	1224899000	USD
CY2017Q4	us-gaap	Property Subject To Or Available For Operating Lease Accumulated Depreciation PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation	1125594000	USD
CY2016Q4	us-gaap	Property Subject To Or Available For Operating Lease Net PropertySubjectToOrAvailableForOperatingLeaseNet	6247585000	USD
CY2017Q4	us-gaap	Property Subject To Or Available For Operating Lease Net PropertySubjectToOrAvailableForOperatingLeaseNet	6188469000	USD
CY2016Q4	us-gaap	Property Subject To Or Available For Operating Lease Number Of Units PropertySubjectToOrAvailableForOperatingLeaseNumberOfUnits	193	Aircraft
CY2017Q4	us-gaap	Property Subject To Or Available For Operating Lease Number Of Units PropertySubjectToOrAvailableForOperatingLeaseNumberOfUnits	224	Aircraft
CY2017Q4	us-gaap	Purchase Obligation PurchaseObligation	1453625000	USD
CY2017Q4	us-gaap	Purchase Obligation Due After Fifth Year PurchaseObligationDueAfterFifthYear	0	USD
CY2017Q4	us-gaap	Purchase Obligation Due In Fifth Year PurchaseObligationDueInFifthYear	0	USD
CY2017Q4	us-gaap	Purchase Obligation Due In Fourth Year PurchaseObligationDueInFourthYear	141643000	USD
CY2017Q4	us-gaap	Purchase Obligation Due In Next Twelve Months PurchaseObligationDueInNextTwelveMonths	466693000	USD
CY2017Q4	us-gaap	Purchase Obligation Due In Second Year PurchaseObligationDueInSecondYear	470073000	USD
CY2017Q4	us-gaap	Purchase Obligation Due In Third Year PurchaseObligationDueInThirdYear	375216000	USD
CY2015	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	681393000	USD
CY2016	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	588778000	USD
CY2017	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	878534000	USD
CY2016Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	53238000	USD
CY2017Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	21935000	USD
CY2016Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	315890000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	380331000	USD
CY2015	us-gaap	Revenues Revenues	819202000	USD
CY2016Q1	us-gaap	Revenues Revenues	183665000	USD
CY2016Q2	us-gaap	Revenues Revenues	189988000	USD
CY2016Q3	us-gaap	Revenues Revenues	194652000	USD
CY2016Q4	us-gaap	Revenues Revenues	204653000	USD
CY2016	us-gaap	Revenues Revenues	772958000	USD
CY2017Q1	us-gaap	Revenues Revenues	204273000	USD
CY2017Q2	us-gaap	Revenues Revenues	223534000	USD
CY2017Q3	us-gaap	Revenues Revenues	191411000	USD
CY2017Q4	us-gaap	Revenues Revenues	177402000	USD
CY2017	us-gaap	Revenues Revenues	796620000	USD
CY2016Q4	us-gaap	Secured Debt SecuredDebt	1219034000	USD
CY2017Q4	us-gaap	Secured Debt SecuredDebt	849874000	USD
CY2016Q4	us-gaap	Security Deposit Liability SecurityDepositLiability	122597000	USD
CY2017Q4	us-gaap	Security Deposit Liability SecurityDepositLiability	130628000	USD
CY2015	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	56198000	USD
CY2016	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	61872000	USD
CY2017	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	73604000	USD
CY2015	us-gaap	Share Based Compensation ShareBasedCompensation	5537000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	7901000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	13148000	USD
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	10600	shares
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	9000	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	4200	shares
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	19.22
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	18.21
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	20.36
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	308800	shares
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	336700	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	315500	shares
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	21.58
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	16.58
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	22.41
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	621300	shares
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	651400	shares
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	676700	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	518400	shares
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	80489391	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	78161494	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	78219458	shares
CY2016	us-gaap	Write Off Of Deferred Debt Issuance Cost WriteOffOfDeferredDebtIssuanceCost	2880000	USD
CY2017	us-gaap	Write Off Of Deferred Debt Issuance Cost WriteOffOfDeferredDebtIssuanceCost	4005000	USD
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	16.15
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	18.81
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	17.84
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	19.92
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	268100	shares
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	302400	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	469600	shares
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	15.82
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	18.50
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	18.60
CY2016	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	0	USD
CY2017Q4	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	95888000	USD
CY2015	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	20881000	USD
CY2016	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	37337000	USD
CY2017	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	4862000	USD
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	1720335000	USD
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	1779500000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	1834314000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	1907564000	USD
CY2017Q4	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	11404000	USD
CY2017Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance Sheet Amount UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount	1453625000	USD
CY2017Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Minimum Quantity Required UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequired	37	Aircraft
CY2016Q4	us-gaap	Unsecured Debt UnsecuredDebt	3287211000	USD
CY2017Q4	us-gaap	Unsecured Debt UnsecuredDebt	3463732000	USD
CY2015	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2016	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	42785	shares
CY2017	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	153983	shares
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	80489391	shares
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	78204279	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	78373441	shares
CY2017	us-gaap	Revenue Recognition Leases RevenueRecognitionLeases	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:16px;padding-top:16px;text-align:justify;font-size:10.5pt;"><font style="font-family:inherit;font-size:10.5pt;font-weight:bold;">Lease Revenue Recognition</font></div><div style="line-height:120%;padding-bottom:12px;text-align:justify;text-indent:32px;font-size:10.5pt;"><font style="font-family:inherit;font-size:10.5pt;">We lease flight equipment under net operating leases with lease terms typically ranging from </font><font style="font-family:inherit;font-size:10.5pt;color:#000000;text-decoration:none;">three</font><font style="font-family:inherit;font-size:10.5pt;"> to </font><font style="font-family:Times New Roman;font-size:10.5pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">seven</font><font style="font-family:inherit;font-size:10.5pt;"> years. We generally do not offer renewal terms or purchase options in our leases, although certain of our operating leases allow the lessee the option to extend the lease for an additional term. Operating leases with fixed rentals and step rentals are recognized on a straight-line basis over the term of the initial lease, assuming no renewals. Operating lease rentals that adjust based on a London Interbank Offered Rate (“LIBOR”) index are recognized on a straight-line basis over the period the rentals are fixed and accruable. Revenue is not recognized when collection is not reasonably assured. When collectability is not reasonably assured, the customer is placed on non-accrual status, and revenue is recognized when cash payments are received.</font></div></div>
CY2017	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:16px;padding-top:16px;text-align:justify;font-size:10.5pt;"><font style="font-family:inherit;font-size:10.5pt;font-weight:bold;">Use of Estimates</font></div><div style="line-height:120%;padding-bottom:12px;text-align:justify;text-indent:32px;font-size:10.5pt;"><font style="font-family:inherit;font-size:10.5pt;">The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. While Aircastle believes that the estimates and related assumptions used in the preparation of the consolidated financial statements are appropriate, actual results could differ from those estimates.</font></div></div>

Files In Submission

Name	View Source	Status
0001362988-18-000067-index-headers.html	Edgar Link	pending
0001362988-18-000067-index.html	Edgar Link	pending
0001362988-18-000067.txt	Edgar Link	pending
0001362988-18-000067-xbrl.zip	Edgar Link	pending
ayr-20171231.xml	Edgar Link	completed
ayr-20171231.xsd	Edgar Link	pending
ayr-20171231_cal.xml	Edgar Link	unprocessable
ayr-20171231_def.xml	Edgar Link	unprocessable
ayr-20171231_lab.xml	Edgar Link	unprocessable
ayr-20171231_pre.xml	Edgar Link	unprocessable
ayrq4201710-k.htm	Edgar Link	pending
ayrq4201710-kex121.htm	Edgar Link	pending
ayrq4201710-kex211.htm	Edgar Link	pending
ayrq4201710-kex231.htm	Edgar Link	pending
ayrq4201710-kex311.htm	Edgar Link	pending
ayrq4201710-kex312.htm	Edgar Link	pending
ayrq4201710-kex321.htm	Edgar Link	pending
ayrq4201710-kex322.htm	Edgar Link	pending
ayrq42017ex991.htm	Edgar Link	pending
chart-96015a1a59e7538ab82.jpg	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
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$AYR
Aircastle LTD Stock $ayr

2016 Q4 Form 10-K Financial Statement

#000136298818000067 Filed on February 13, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AYR Aircastle LTD Stock $ayr

2016 Q4 Form 10-K Financial Statement

#000136298818000067 Filed on February 13, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AYR
Aircastle LTD Stock $ayr