$WLFC
WILLIS LEASE FINANCE CORP Stock $wlfc

$wlfc Overview Financials Valuation SEC Filings Company Website

2024 Q4 Form 10-Q Financial Statement

#000101816424000089 Filed on November 04, 2024

Income Statement

Concept	2024 Q4	2024 Q3
Revenue		$146.2M
YoY Change		38.28%
Cost Of Revenue		$15.26M
YoY Change		663.15%
Gross Profit		$131.0M
YoY Change		26.29%
Gross Profit Margin		89.56%
Selling, General & Admin		$48.90M
YoY Change		35.76%
% of Gross Profit		37.34%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization		$23.65M
YoY Change		2.43%
% of Gross Profit		18.06%
Operating Expenses		$48.90M
YoY Change		35.76%
Operating Profit		$33.70M
YoY Change		68.54%
Interest Expense		$27.81M
YoY Change		45.98%
% of Operating Profit		82.52%
Other Income/Expense, Net
YoY Change
Pretax Income		$34.46M
YoY Change		69.39%
Income Tax		$10.40M
% Of Pretax Income		30.18%
Net Earnings		$24.10M
YoY Change		64.84%
Net Earnings / Revenue		16.48%
Basic Earnings Per Share		$3.51
Diluted Earnings Per Share		$3.37
COMMON SHARES
Basic Shares Outstanding	6.604M shares	6.576M shares
Diluted Shares Outstanding		6.859M shares

Balance Sheet

Concept	2024 Q4	2024 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments		$5.791M
YoY Change		7.24%
Cash & Equivalents		$5.791M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory		$74.09M
Prepaid Expenses
Receivables		$37.07M
Other Receivables		$0.00
Total Short-Term Assets		$116.9M
YoY Change		20.32%
LONG-TERM ASSETS
Property, Plant & Equipment		$2.472B
YoY Change		11.94%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments		$61.89M
YoY Change		14.91%
Other Assets		$103.6M
YoY Change		101.99%
Total Long-Term Assets		$2.927B
YoY Change		16.83%
TOTAL ASSETS
Total Short-Term Assets		$116.9M
Total Long-Term Assets		$2.927B
Total Assets		$3.044B
YoY Change		16.96%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable		$119.6M
YoY Change		178.05%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt		$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities		$146.8M
YoY Change		120.7%
LONG-TERM LIABILITIES
Long-Term Debt		$1.990B
YoY Change		11.32%
Other Long-Term Liabilities		$147.4M
YoY Change		19.92%
Total Long-Term Liabilities		$2.138B
YoY Change		11.88%
TOTAL LIABILITIES
Total Short-Term Liabilities		$146.8M
Total Long-Term Liabilities		$2.138B
Total Liabilities		$2.463B
YoY Change		16.14%
SHAREHOLDERS EQUITY
Retained Earnings		$473.6M
YoY Change		22.15%
Common Stock		$72.00K
YoY Change		4.35%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity		$517.8M
YoY Change
Total Liabilities & Shareholders Equity		$3.044B
YoY Change		16.96%

Cashflow Statement

Concept	2024 Q4	2024 Q3
OPERATING ACTIVITIES
Net Income		$24.10M
YoY Change		64.84%
Depreciation, Depletion And Amortization		$23.65M
YoY Change		2.43%
Cash From Operating Activities		$86.79M
YoY Change		23.1%
INVESTING ACTIVITIES
Capital Expenditures		$167.9M
YoY Change		429.68%
Acquisitions
YoY Change
Other Investing Activities		-$12.04M
YoY Change		-546.07%
Cash From Investing Activities		-$180.0M
YoY Change		518.39%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities		50.38M
YoY Change		-223.47%
NET CHANGE
Cash From Operating Activities		86.79M
Cash From Investing Activities		-180.0M
Cash From Financing Activities		50.38M
Net Change In Cash		-42.79M
YoY Change		-7231.5%
FREE CASH FLOW
Cash From Operating Activities		$86.79M
Capital Expenditures		$167.9M
Free Cash Flow		-$81.12M
YoY Change		-309.07%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Central Index Key EntityCentralIndexKey	0001018164
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2024
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity Address State Or Province EntityAddressStateOrProvince	FL
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	33073
	dei	City Area Code CityAreaCode	561
	dei	Local Phone Number LocalPhoneNumber	349-9989
	dei	Security12b Title Security12bTitle	Common Stock, $0.01 par value per share
	dei	Trading Symbol TradingSymbol	WLFC
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	517761000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	438963000	usd
CY2024Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3043593000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2652344000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4247000	usd
	us-gaap	Equipment Expense EquipmentExpense	17924000	usd
	us-gaap	Costs And Expenses CostsAndExpenses	301426000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	115000000	usd
	us-gaap	Interest Income Operating InterestIncomeOperating	6409000	usd
	us-gaap	Gain Loss On Sale Of Leased Assets Net Operating Leases GainLossOnSaleOfLeasedAssetsNetOperatingLeases	5101000	usd
	dei	Document Period End Date DocumentPeriodEndDate	2024-09-30
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	68-0070656
	dei	Entity Address Address Line1 EntityAddressAddressLine1	4700 Lyons Technology Parkway
	dei	Entity Address City Or Town EntityAddressCityOrTown	Coconut Creek
CY2024Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	6603609	shares
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	7071000	usd
CY2024Q3	us-gaap	Restricted Cash RestrictedCash	99333000	usd
CY2023Q4	wlfc	Accumulated Depreciation Depletion And Amortization Equipment Held For Operating Lease AccumulatedDepreciationDepletionAndAmortizationEquipmentHeldForOperatingLease	594293000	usd
CY2023Q4	us-gaap	Restricted Cash RestrictedCash	160958000	usd
CY2024Q3	wlfc	Accumulated Depreciation Depletion And Amortization Equipment Held For Operating Lease AccumulatedDepreciationDepletionAndAmortizationEquipmentHeldForOperatingLease	603667000	usd
CY2024Q3	wlfc	Equipment Held For Operating Lease EquipmentHeldForOperatingLease	2435583000	usd
CY2023Q4	us-gaap	Long Term Accounts Notes And Loans Receivable Net Noncurrent LongTermAccountsNotesAndLoansReceivableNetNoncurrent	92621000	usd
CY2024Q3	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	178177000	usd
CY2024Q3	wlfc	Maintenance Reserves MaintenanceReserves	108090000	usd
CY2024Q3	us-gaap	Long Term Debt LongTermDebt	1990455000	usd
CY2023Q4	wlfc	Maintenance Reserves MaintenanceReserves	92497000	usd
CY2024Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	39294000	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	1802881000	usd
CY2024Q3	us-gaap	Common Stock Value CommonStockValue	72000	usd
CY2024Q3	us-gaap	Security Deposit Liability SecurityDepositLiability	27203000	usd
CY2023Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	43533000	usd
CY2024Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	7170000	shares
CY2024Q3	us-gaap	Liabilities Liabilities	2462779000	usd
CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	6849000	shares
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023Q4	us-gaap	Airline Related Inventory Aircraft Parts AirlineRelatedInventoryAircraftParts	40954000	usd
CY2024Q3	us-gaap	Other Assets OtherAssets	55187000	usd
CY2023Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	52937000	usd
CY2023Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	147779000	usd
CY2023Q4	us-gaap	Security Deposit Liability SecurityDepositLiability	23790000	usd
CY2023Q4	us-gaap	Liabilities Liabilities	2163417000	usd
CY2023Q4	us-gaap	Temporary Equity Par Or Stated Value Per Share TemporaryEquityParOrStatedValuePerShare	0.01
CY2024Q3	us-gaap	Temporary Equity Par Or Stated Value Per Share TemporaryEquityParOrStatedValuePerShare	0.01
CY2024Q3	us-gaap	Temporary Equity Shares Authorized TemporaryEquitySharesAuthorized	5000000	shares
CY2024Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	473609000	usd
CY2023Q4	us-gaap	Temporary Equity Shares Authorized TemporaryEquitySharesAuthorized	5000000	shares
CY2024Q3	us-gaap	Temporary Equity Shares Issued TemporaryEquitySharesIssued	3250000	shares
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Small Business EntitySmallBusiness	true
	dei	Entity Shell Company EntityShellCompany	false
CY2024Q3	wlfc	Maintenance Rights MaintenanceRights	31506000	usd
CY2024Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	1424000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	2311000	usd
CY2024Q3	us-gaap	Accounts Receivable Net AccountsReceivableNet	37069000	usd
CY2023Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	58485000	usd
CY2024Q3	us-gaap	Airline Related Inventory Aircraft Parts AirlineRelatedInventoryAircraftParts	74089000	usd
CY2023Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	1040000	usd
CY2024Q3	us-gaap	Accounts And Financing Receivable Allowance For Credit Loss AccountsAndFinancingReceivableAllowanceForCreditLoss	187000	usd
CY2023Q4	us-gaap	Accounts And Financing Receivable Allowance For Credit Loss AccountsAndFinancingReceivableAllowanceForCreditLoss	69000	usd
CY2024Q3	us-gaap	Long Term Accounts Notes And Loans Receivable Net Noncurrent LongTermAccountsNotesAndLoansReceivableNetNoncurrent	175358000	usd
CY2024Q3	us-gaap	Sales Type Lease Net Investment In Lease Allowance For Credit Loss SalesTypeLeaseNetInvestmentInLeaseAllowanceForCreditLoss	23000	usd
	us-gaap	Interest Income Operating InterestIncomeOperating	7965000	usd
CY2023Q4	us-gaap	Sales Type Lease Net Investment In Lease Allowance For Credit Loss SalesTypeLeaseNetInvestmentInLeaseAllowanceForCreditLoss	9000	usd
CY2023Q3	us-gaap	Cost Maintenance CostMaintenance	5580000	usd
CY2023Q4	us-gaap	Sales Type Lease Net Investment In Lease After Allowance For Credit Loss SalesTypeLeaseNetInvestmentInLeaseAfterAllowanceForCreditLoss	8759000	usd
	us-gaap	Interest Income Operating InterestIncomeOperating	6409000	usd
	us-gaap	Gain Loss On Sale Of Leased Assets Net Operating Leases GainLossOnSaleOfLeasedAssetsNetOperatingLeases	33148000	usd
	us-gaap	Cost Maintenance CostMaintenance	17647000	usd
	us-gaap	Cost Maintenance CostMaintenance	14351000	usd
	us-gaap	Equipment Expense EquipmentExpense	17924000	usd
	us-gaap	Interest Expense InterestExpense	75378000	usd
CY2023Q3	us-gaap	Interest And Debt Expense InterestAndDebtExpense	19052000	usd
	us-gaap	Interest And Debt Expense InterestAndDebtExpense	75378000	usd
	us-gaap	Interest And Debt Expense InterestAndDebtExpense	56526000	usd
CY2024Q3	us-gaap	Costs And Expenses CostsAndExpenses	112519000	usd
	us-gaap	Costs And Expenses CostsAndExpenses	256837000	usd
CY2024Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	33704000	usd
CY2023Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	19998000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	47438000	usd
CY2024Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	756000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	7255000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	122255000	usd
CY2023Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	346000	usd
CY2024Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10364000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-1289000	usd
CY2024Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	34460000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	46149000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5726000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	34704000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13321000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	24096000	usd
	us-gaap	Net Income Loss NetIncomeLoss	87551000	usd
CY2024Q3	us-gaap	Temporary Equity Dividends Adjustment TemporaryEquityDividendsAdjustment	948000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	14618000	usd
CY2023Q3	us-gaap	Temporary Equity Dividends Adjustment TemporaryEquityDividendsAdjustment	819000	usd
	us-gaap	Temporary Equity Dividends Adjustment TemporaryEquityDividendsAdjustment	2758000	usd
CY2024Q3	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	15000	usd
CY2023Q3	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	21000	usd
	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	39000	usd
CY2024Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	23133000	usd
CY2023Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	13778000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	84754000	usd
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.51
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.16
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	13.01
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.37
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.13
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	12.57
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6582000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6365000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6745000	shares
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	14618000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-104000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	-7277000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	-3627000	usd
CY2024Q3	wlfc	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Joint Venture OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxJointVenture	-431000	usd
CY2023Q3	wlfc	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Joint Venture OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxJointVenture	-97000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-6904000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-3828000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-841000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-5356000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-2987000	usd
CY2024Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	18740000	usd
CY2023Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	11631000	usd
CY2022	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2024#AccountingStandardsUpdate201613Member
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2023Q4	wlfc	Equipment Held For Sale EquipmentHeldForSale	805000	usd
CY2024Q3	us-gaap	Assets Assets	3043593000	usd
CY2022	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2024#AccountingStandardsUpdate201613Member
	dei	Entity Registrant Name EntityRegistrantName	WILLIS LEASE FINANCE CORP
CY2024Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	5791000	usd
CY2023Q4	wlfc	Equipment Held For Operating Lease EquipmentHeldForOperatingLease	2112837000	usd
CY2023Q4	wlfc	Maintenance Rights MaintenanceRights	9180000	usd
CY2024Q3	wlfc	Equipment Held For Sale EquipmentHeldForSale	4286000	usd
CY2023Q4	us-gaap	Assets Assets	2652344000	usd
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	68000	usd
CY2023Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	29667000	usd
CY2024Q3	us-gaap	Equipment Expense EquipmentExpense	5151000	usd
CY2024Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	3045000	usd
	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	63000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	30334000	usd
CY2023Q3	us-gaap	Interest Income Operating InterestIncomeOperating	2106000	usd
CY2023Q3	us-gaap	Equipment Expense EquipmentExpense	8739000	usd
	us-gaap	Gain Loss On Sale Of Leased Assets Net Operating Leases GainLossOnSaleOfLeasedAssetsNetOperatingLeases	5101000	usd
CY2024Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	23650000	usd
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.83
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.70
	us-gaap	Selling Expense SellingExpense	17003000	usd
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6859000	shares
	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	2390000	usd
CY2024Q2	us-gaap	Stockholders Equity StockholdersEquity	492418000	usd
CY2024Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	40037000	usd
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6454000	shares
	us-gaap	Net Income Loss NetIncomeLoss	87551000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	104305000	usd
	us-gaap	Net Income Loss NetIncomeLoss	32828000	usd
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	245000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	86103000	usd
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-799000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	-10673000	usd
CY2023Q3	us-gaap	Interest Expense InterestExpense	19052000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	-9647000	usd
	us-gaap	Interest Expense InterestExpense	56526000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	115000000	usd
CY2023Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	20344000	usd
	wlfc	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Joint Venture OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxJointVenture	-651000	usd
	wlfc	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Joint Venture OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxJointVenture	-241000	usd
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-10687000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-1548000	usd
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-2351000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-8595000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	24492000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	24096000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	-181000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	623000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-5979000	usd
CY2024Q3	wlfc	Shares Issued Under Stock Compensation Plan Net SharesIssuedUnderStockCompensationPlanNet	85000	usd
CY2024Q3	us-gaap	Stock Issued During Period Value Share Based Compensation Forfeited StockIssuedDuringPeriodValueShareBasedCompensationForfeited	1121000	usd
CY2024Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	10389000	usd
CY2024Q3	us-gaap	Sales Type Lease Net Investment In Lease After Allowance For Credit Loss SalesTypeLeaseNetInvestmentInLeaseAfterAllowanceForCreditLoss	23204000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	1729000	usd
CY2024Q3	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	119560000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	397781000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-5979000	usd
CY2024Q3	wlfc	Shares Issued Under Stock Compensation Plan Net SharesIssuedUnderStockCompensationPlanNet	85000	usd
CY2023Q3	us-gaap	Gain Loss On Sale Of Leased Assets Net Operating Leases GainLossOnSaleOfLeasedAssetsNetOperatingLeases	773000	usd
CY2024Q3	us-gaap	Cost Maintenance CostMaintenance	6402000	usd
CY2024Q3	us-gaap	Stock Issued During Period Value Share Based Compensation Forfeited StockIssuedDuringPeriodValueShareBasedCompensationForfeited	1121000	usd
CY2024Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	10389000	usd
CY2024Q3	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	605000	usd
CY2024Q3	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	15000	usd
CY2024Q3	us-gaap	Interest And Debt Expense InterestAndDebtExpense	27813000	usd
	us-gaap	Temporary Equity Dividends Adjustment TemporaryEquityDividendsAdjustment	2431000	usd
	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	63000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	30334000	usd
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.83
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.70
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6513000	shares
CY2024Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.25
CY2024Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	1787000	usd
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6282000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6454000	shares
	us-gaap	Net Income Loss NetIncomeLoss	32828000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	804000	usd
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-799000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	-10673000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	-9647000	usd
	wlfc	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Joint Venture OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxJointVenture	-651000	usd
	wlfc	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Joint Venture OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxJointVenture	-241000	usd
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-11079000	usd
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-10687000	usd
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-2484000	usd
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-2351000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-8595000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-8336000	usd
CY2024Q2	us-gaap	Stockholders Equity StockholdersEquity	492418000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	24096000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	24096000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	-181000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	623000	usd
CY2024Q3	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	0.38
CY2024Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	948000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	517761000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	417167000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	14618000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	22000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-82000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	819000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-2905000	usd
CY2023Q3	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	99000	usd
CY2024Q3	us-gaap	Investments Investments	61891000	usd
CY2023Q4	us-gaap	Investments Investments	58044000	usd
CY2024Q3	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	4177000	usd
CY2023Q4	us-gaap	Other Assets OtherAssets	64430000	usd
	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	63000	usd
CY2024Q3	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	63053000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	30334000	usd
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.83
CY2023Q4	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	49964000	usd
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.70
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6282000	shares
CY2024Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6466000	shares
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6454000	shares
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	20000000	shares
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	24096000	usd
CY2024Q3	wlfc	Accumulated Other Comprehensive Income Loss Tax AccumulatedOtherComprehensiveIncomeLossTax	846000	usd
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	245000	usd
CY2023Q4	wlfc	Accumulated Other Comprehensive Income Loss Tax AccumulatedOtherComprehensiveIncomeLossTax	3276000	usd
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-799000	usd
	us-gaap	Revenues Revenues	416426000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	-10673000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	-9647000	usd
	us-gaap	Revenues Revenues	304275000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	68131000	usd
	us-gaap	Selling Expense SellingExpense	9581000	usd
	wlfc	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Joint Venture OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxJointVenture	-241000	usd
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-11079000	usd
	us-gaap	Equipment Expense EquipmentExpense	19755000	usd
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-10687000	usd
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-2351000	usd
CY2024Q3	us-gaap	Interest Expense InterestExpense	27813000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-8595000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	78956000	usd
	us-gaap	Net Income Loss NetIncomeLoss	32828000	usd
CY2024Q2	us-gaap	Stockholders Equity StockholdersEquity	492418000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	24096000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	-181000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	1729000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-5979000	usd
CY2024Q3	wlfc	Shares Issued Under Stock Compensation Plan Net SharesIssuedUnderStockCompensationPlanNet	85000	usd
CY2024Q3	us-gaap	Stock Issued During Period Value Share Based Compensation Forfeited StockIssuedDuringPeriodValueShareBasedCompensationForfeited	1121000	usd
CY2024Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	10389000	usd
CY2024Q3	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	15000	usd
CY2024Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.25
CY2024Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	1787000	usd
CY2024Q3	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	0.38
CY2024Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	948000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	517761000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	417167000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	14618000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	22000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-82000	usd
CY2023Q4	us-gaap	Temporary Equity Shares Issued TemporaryEquitySharesIssued	2500000	shares
CY2024Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	20000000	shares
	us-gaap	Costs And Expenses CostsAndExpenses	301426000	usd
CY2024Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	41035000	usd
CY2024Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.25
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	11447000	usd
CY2024Q3	us-gaap	Interest Income Operating InterestIncomeOperating	3412000	usd
CY2024Q3	us-gaap	Gain Loss On Sale Of Leased Assets Net Operating Leases GainLossOnSaleOfLeasedAssetsNetOperatingLeases	9519000	usd
	us-gaap	Net Income Loss NetIncomeLoss	32828000	usd
CY2024Q3	us-gaap	Revenues Revenues	146223000	usd
	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	63000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	30334000	usd
CY2023Q3	us-gaap	Revenues Revenues	105745000	usd
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.83
CY2023Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	23088000	usd
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.70
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6282000	shares
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	68303000	usd
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6454000	shares
CY2024Q3	us-gaap	Selling Expense SellingExpense	8861000	usd
	us-gaap	Net Income Loss NetIncomeLoss	32828000	usd
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	245000	usd
CY2023Q3	us-gaap	Selling Expense SellingExpense	2024000	usd
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-799000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	-10673000	usd
CY2023Q3	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	719000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	-9647000	usd
	wlfc	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Joint Venture OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxJointVenture	-241000	usd
	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	866000	usd
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-11079000	usd
CY2023Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	26545000	usd
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-2351000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-8595000	usd
CY2023Q3	us-gaap	Costs And Expenses CostsAndExpenses	85747000	usd
CY2024Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	1787000	usd
CY2024Q3	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	0.38
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	78956000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	24492000	usd
CY2024Q2	us-gaap	Stockholders Equity StockholdersEquity	492418000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	24096000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	-181000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	623000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	1729000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-5979000	usd
CY2024Q3	wlfc	Shares Issued Under Stock Compensation Plan Net SharesIssuedUnderStockCompensationPlanNet	85000	usd
CY2024Q3	us-gaap	Stock Issued During Period Value Share Based Compensation Forfeited StockIssuedDuringPeriodValueShareBasedCompensationForfeited	1121000	usd
CY2024Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	10389000	usd
CY2024Q3	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	15000	usd
CY2024Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	948000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	517761000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	417167000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	14618000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	22000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-82000	usd
CY2024Q3	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	15000	usd
CY2024Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.25
CY2024Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	1787000	usd
CY2024Q3	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	0.38
CY2024Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	948000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	417167000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	22000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	819000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-2905000	usd
CY2023Q3	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	99000	usd
CY2023Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3871000	usd
CY2023Q3	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	21000	usd
CY2023Q3	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	0.33
CY2023Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	819000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	431928000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	438963000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	-55000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	190000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	2540000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-8592000	usd
	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	1.10
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	517761000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	404688000	usd
	us-gaap	Net Income Loss NetIncomeLoss	32828000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	176000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-623000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	2175000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-7713000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	276000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation Forfeited StockIssuedDuringPeriodValueShareBasedCompensationForfeited	5620000	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	10670000	usd
	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	0.97
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	431928000	usd
	us-gaap	Net Income Loss NetIncomeLoss	87551000	usd
	us-gaap	Net Income Loss NetIncomeLoss	32828000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	68303000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	68131000	usd
	us-gaap	Proceeds From Lease Payments ProceedsFromLeasePayments	28910000	usd
	us-gaap	Proceeds From Lease Payments ProceedsFromLeasePayments	921000	usd
	us-gaap	Gain Loss On Sale Of Leased Assets Net Operating Leases GainLossOnSaleOfLeasedAssetsNetOperatingLeases	33148000	usd
	us-gaap	Gain Loss On Sale Of Leased Assets Net Operating Leases GainLossOnSaleOfLeasedAssetsNetOperatingLeases	5101000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	18351000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	10670000	usd
	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	7723000	usd
	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	4128000	usd
	us-gaap	Gain Loss On Sale Of Notes Receivable GainLossOnSaleOfNotesReceivable	-1504000	usd
	us-gaap	Gain Loss On Sale Of Notes Receivable GainLossOnSaleOfNotesReceivable	0	usd
	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	866000	usd
	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	2390000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-671000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	304000	usd
	us-gaap	Gain On Business Interruption Insurance Recovery GainOnBusinessInterruptionInsuranceRecovery	73000	usd
	us-gaap	Gain On Business Interruption Insurance Recovery GainOnBusinessInterruptionInsuranceRecovery	761000	usd
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-32881000	usd
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-12924000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-22219000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	819000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-2905000	usd
CY2023Q3	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	99000	usd
CY2023Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3871000	usd
CY2023Q3	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	21000	usd
CY2023Q3	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	0.33
CY2023Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	819000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	431928000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	438963000	usd
	us-gaap	Net Income Loss NetIncomeLoss	87551000	usd
	us-gaap	Gain On Business Interruption Insurance Recovery GainOnBusinessInterruptionInsuranceRecovery	73000	usd
	us-gaap	Gain On Business Interruption Insurance Recovery GainOnBusinessInterruptionInsuranceRecovery	761000	usd
	us-gaap	Net Income Loss NetIncomeLoss	87551000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	-55000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	190000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	2540000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-8592000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	262000	usd
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-32881000	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	18351000	usd
	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	39000	usd
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	2758000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	517761000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	404688000	usd
	us-gaap	Net Income Loss NetIncomeLoss	32828000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	2175000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-7713000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation Forfeited StockIssuedDuringPeriodValueShareBasedCompensationForfeited	5620000	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	10670000	usd
	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	63000	usd
	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	0.97
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	2431000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	431928000	usd
	us-gaap	Net Income Loss NetIncomeLoss	87551000	usd
	us-gaap	Net Income Loss NetIncomeLoss	32828000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	68303000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	68131000	usd
	us-gaap	Proceeds From Lease Payments ProceedsFromLeasePayments	28910000	usd
	us-gaap	Proceeds From Lease Payments ProceedsFromLeasePayments	921000	usd
	us-gaap	Gain Loss On Sale Of Leased Assets Net Operating Leases GainLossOnSaleOfLeasedAssetsNetOperatingLeases	33148000	usd
	us-gaap	Gain Loss On Sale Of Leased Assets Net Operating Leases GainLossOnSaleOfLeasedAssetsNetOperatingLeases	5101000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	10670000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	7255000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-1289000	usd
	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	7723000	usd
	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	4128000	usd
	us-gaap	Gain Loss On Sale Of Notes Receivable GainLossOnSaleOfNotesReceivable	-1504000	usd
	us-gaap	Gain Loss On Sale Of Notes Receivable GainLossOnSaleOfNotesReceivable	0	usd
	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	866000	usd
	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	2390000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-671000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	304000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-22219000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	4663000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	37189000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	6441000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	819000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-2905000	usd
CY2023Q3	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	99000	usd
CY2023Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3871000	usd
CY2023Q3	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	21000	usd
CY2023Q3	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	0.33
CY2023Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	819000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	431928000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	438963000	usd
	us-gaap	Net Income Loss NetIncomeLoss	87551000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	-55000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	190000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	2540000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-8592000	usd
	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	39000	usd
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.25
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	8926000	usd
	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	1.10
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	2758000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	517761000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	404688000	usd
	us-gaap	Net Income Loss NetIncomeLoss	32828000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	176000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-623000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	2175000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-7713000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation Forfeited StockIssuedDuringPeriodValueShareBasedCompensationForfeited	5620000	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	10670000	usd
	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	63000	usd
	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	0.97
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	2431000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	431928000	usd
	us-gaap	Net Income Loss NetIncomeLoss	87551000	usd
	us-gaap	Net Income Loss NetIncomeLoss	32828000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	68303000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	68131000	usd
	us-gaap	Proceeds From Lease Payments ProceedsFromLeasePayments	28910000	usd
	us-gaap	Proceeds From Lease Payments ProceedsFromLeasePayments	921000	usd
	us-gaap	Gain Loss On Sale Of Leased Assets Net Operating Leases GainLossOnSaleOfLeasedAssetsNetOperatingLeases	33148000	usd
	us-gaap	Gain Loss On Sale Of Leased Assets Net Operating Leases GainLossOnSaleOfLeasedAssetsNetOperatingLeases	5101000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	18351000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	10670000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	7255000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-1289000	usd
	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	7723000	usd
	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	4128000	usd
	us-gaap	Gain Loss On Sale Of Notes Receivable GainLossOnSaleOfNotesReceivable	-1504000	usd
	us-gaap	Gain Loss On Sale Of Notes Receivable GainLossOnSaleOfNotesReceivable	0	usd
	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	866000	usd
	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	2390000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-671000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	304000	usd
	us-gaap	Gain On Business Interruption Insurance Recovery GainOnBusinessInterruptionInsuranceRecovery	73000	usd
	us-gaap	Gain On Business Interruption Insurance Recovery GainOnBusinessInterruptionInsuranceRecovery	761000	usd
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-32881000	usd
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-12924000	usd
CY2023Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3871000	usd
CY2023Q3	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	21000	usd
CY2023Q3	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	0.33
CY2023Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	819000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	431928000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	438963000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	-55000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	190000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	2540000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-8592000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation Forfeited StockIssuedDuringPeriodValueShareBasedCompensationForfeited	7241000	usd
	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	39000	usd
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.25
	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	1.10
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	2758000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	404688000	usd
	us-gaap	Net Income Loss NetIncomeLoss	32828000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	176000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-623000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	2175000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	276000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation Forfeited StockIssuedDuringPeriodValueShareBasedCompensationForfeited	5620000	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	10670000	usd
	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	63000	usd
	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	0.97
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	2431000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	431928000	usd
	us-gaap	Net Income Loss NetIncomeLoss	87551000	usd
	us-gaap	Net Income Loss NetIncomeLoss	32828000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	68303000	usd
	us-gaap	Proceeds From Lease Payments ProceedsFromLeasePayments	28910000	usd
	us-gaap	Proceeds From Lease Payments ProceedsFromLeasePayments	921000	usd
	us-gaap	Gain Loss On Sale Of Leased Assets Net Operating Leases GainLossOnSaleOfLeasedAssetsNetOperatingLeases	33148000	usd
	us-gaap	Gain Loss On Sale Of Leased Assets Net Operating Leases GainLossOnSaleOfLeasedAssetsNetOperatingLeases	5101000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	18351000	usd
	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	7723000	usd
	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	4128000	usd
	us-gaap	Gain Loss On Sale Of Notes Receivable GainLossOnSaleOfNotesReceivable	-1504000	usd
	us-gaap	Gain Loss On Sale Of Notes Receivable GainLossOnSaleOfNotesReceivable	0	usd
	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	866000	usd
	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	2390000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-671000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	304000	usd
	us-gaap	Gain On Business Interruption Insurance Recovery GainOnBusinessInterruptionInsuranceRecovery	73000	usd
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-32881000	usd
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-12924000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-22219000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	4663000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	37189000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	6441000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	3671000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	1966000	usd
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	3002000	usd
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	0	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	11532000	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	8330000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-22219000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	4663000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	37189000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	6441000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	3671000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	1966000	usd
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	3002000	usd
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	0	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	11532000	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	8330000	usd
	wlfc	Increase Decrease In Maintenance Reserves IncreaseDecreaseInMaintenanceReserves	16205000	usd
	wlfc	Increase Decrease In Maintenance Reserves IncreaseDecreaseInMaintenanceReserves	26325000	usd
	us-gaap	Increase Decrease In Deposit Other Assets IncreaseDecreaseInDepositOtherAssets	-3413000	usd
	us-gaap	Increase Decrease In Deposit Other Assets IncreaseDecreaseInDepositOtherAssets	-2972000	usd
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-4013000	usd
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	16700000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	216440000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	168980000	usd
	us-gaap	Payments To Acquire Equipment On Lease PaymentsToAcquireEquipmentOnLease	488438000	usd
	us-gaap	Payments To Acquire Equipment On Lease PaymentsToAcquireEquipmentOnLease	142471000	usd
	us-gaap	Proceeds From Sale Of Machinery And Equipment ProceedsFromSaleOfMachineryAndEquipment	117852000	usd
	us-gaap	Proceeds From Sale Of Machinery And Equipment ProceedsFromSaleOfMachineryAndEquipment	25014000	usd
	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	89635000	usd
	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	15397000	usd
	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	6780000	usd
	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	2766000	usd
	wlfc	Proceeds From Insurance Settlement On Property Equipment And Furnishings ProceedsFromInsuranceSettlementOnPropertyEquipmentAndFurnishings	1235000	usd
	wlfc	Proceeds From Insurance Settlement On Property Equipment And Furnishings ProceedsFromInsuranceSettlementOnPropertyEquipmentAndFurnishings	0	usd
	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	0	usd
	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	2189000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-454959000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-132146000	usd
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	159840000	usd
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	331218000	usd
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	221890000	usd
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	13050000	usd
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	0	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	7240000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	5620000	usd
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	5819000	usd
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	384000	usd
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	3388000	usd
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	2440000	usd
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	261000	usd
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	276000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	175614000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-62905000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-33384000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	168029000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	89016000	usd
CY2024Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	105124000	usd
CY2023Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	55632000	usd
	us-gaap	Interest Paid Net InterestPaidNet	73374000	usd
	us-gaap	Interest Paid Net InterestPaidNet	55445000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	5827000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	4663000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	37189000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	6441000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	3671000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	1966000	usd
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	3002000	usd
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	0	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	11532000	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	8330000	usd
	wlfc	Increase Decrease In Maintenance Reserves IncreaseDecreaseInMaintenanceReserves	16205000	usd
	wlfc	Increase Decrease In Maintenance Reserves IncreaseDecreaseInMaintenanceReserves	26325000	usd
	us-gaap	Increase Decrease In Deposit Other Assets IncreaseDecreaseInDepositOtherAssets	-3413000	usd
	us-gaap	Increase Decrease In Deposit Other Assets IncreaseDecreaseInDepositOtherAssets	-2972000	usd
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-4013000	usd
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	16700000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	216440000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	168980000	usd
	us-gaap	Payments To Acquire Equipment On Lease PaymentsToAcquireEquipmentOnLease	488438000	usd
	us-gaap	Payments To Acquire Equipment On Lease PaymentsToAcquireEquipmentOnLease	142471000	usd
	us-gaap	Proceeds From Sale Of Machinery And Equipment ProceedsFromSaleOfMachineryAndEquipment	117852000	usd
	us-gaap	Proceeds From Sale Of Machinery And Equipment ProceedsFromSaleOfMachineryAndEquipment	25014000	usd
	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	89635000	usd
	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	15397000	usd
	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	6780000	usd
	wlfc	Proceeds From Insurance Settlement On Property Equipment And Furnishings ProceedsFromInsuranceSettlementOnPropertyEquipmentAndFurnishings	1235000	usd
	wlfc	Proceeds From Insurance Settlement On Property Equipment And Furnishings ProceedsFromInsuranceSettlementOnPropertyEquipmentAndFurnishings	0	usd
	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	0	usd
	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	2189000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-454959000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-132146000	usd
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	518894000	usd
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	159840000	usd
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	331218000	usd
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	221890000	usd
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	13050000	usd
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	8926000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	0	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	7240000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	5620000	usd
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	5819000	usd
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	3388000	usd
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	261000	usd
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	276000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	175614000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-70218000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-62905000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-33384000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	168029000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	89016000	usd
CY2024Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	105124000	usd
CY2023Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	55632000	usd
	us-gaap	Interest Paid Net InterestPaidNet	73374000	usd
	us-gaap	Interest Paid Net InterestPaidNet	55445000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	5827000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	181000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	3671000	usd
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	3002000	usd
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	0	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	11532000	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	8330000	usd
	wlfc	Increase Decrease In Maintenance Reserves IncreaseDecreaseInMaintenanceReserves	16205000	usd
	wlfc	Increase Decrease In Maintenance Reserves IncreaseDecreaseInMaintenanceReserves	26325000	usd
	us-gaap	Increase Decrease In Deposit Other Assets IncreaseDecreaseInDepositOtherAssets	-3413000	usd
	us-gaap	Increase Decrease In Deposit Other Assets IncreaseDecreaseInDepositOtherAssets	-2972000	usd
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-4013000	usd
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	16700000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	216440000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	168980000	usd
	us-gaap	Payments To Acquire Equipment On Lease PaymentsToAcquireEquipmentOnLease	488438000	usd
	us-gaap	Payments To Acquire Equipment On Lease PaymentsToAcquireEquipmentOnLease	142471000	usd
	us-gaap	Proceeds From Sale Of Machinery And Equipment ProceedsFromSaleOfMachineryAndEquipment	117852000	usd
	us-gaap	Proceeds From Sale Of Machinery And Equipment ProceedsFromSaleOfMachineryAndEquipment	25014000	usd
	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	89635000	usd
	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	15397000	usd
	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	6780000	usd
	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	2766000	usd
	wlfc	Proceeds From Insurance Settlement On Property Equipment And Furnishings ProceedsFromInsuranceSettlementOnPropertyEquipmentAndFurnishings	1235000	usd
	wlfc	Proceeds From Insurance Settlement On Property Equipment And Furnishings ProceedsFromInsuranceSettlementOnPropertyEquipmentAndFurnishings	0	usd
	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	0	usd
	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	2189000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-132146000	usd
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	518894000	usd
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	159840000	usd
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	331218000	usd
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	221890000	usd
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	13050000	usd
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	8926000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	0	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	7240000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	5620000	usd
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	5819000	usd
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	384000	usd
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	3388000	usd
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	261000	usd
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	276000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	175614000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-70218000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-62905000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-33384000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	168029000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	89016000	usd
CY2024Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	105124000	usd
	us-gaap	Interest Paid Net InterestPaidNet	73374000	usd
	us-gaap	Interest Paid Net InterestPaidNet	55445000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	181000	usd
	wlfc	Transfers From Equipment Held For Operating Lease To Investment In Sales Type Leases TransfersFromEquipmentHeldForOperatingLeaseToInvestmentInSalesTypeLeases	0	usd
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	17524000	usd
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	1901000	usd
	wlfc	Transfer From Inventory To Equipment Held For Lease TransferFromInventoryToEquipmentHeldForLease	4514000	usd
	wlfc	Transfer From Inventory To Equipment Held For Lease TransferFromInventoryToEquipmentHeldForLease	0	usd
	wlfc	Increase Decrease In Maintenance Reserves IncreaseDecreaseInMaintenanceReserves	16205000	usd
	wlfc	Increase Decrease In Maintenance Reserves IncreaseDecreaseInMaintenanceReserves	26325000	usd
	us-gaap	Increase Decrease In Deposit Other Assets IncreaseDecreaseInDepositOtherAssets	-3413000	usd
	us-gaap	Increase Decrease In Deposit Other Assets IncreaseDecreaseInDepositOtherAssets	-2972000	usd
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-4013000	usd
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	16700000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	216440000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	168980000	usd
	us-gaap	Payments To Acquire Equipment On Lease PaymentsToAcquireEquipmentOnLease	488438000	usd
	us-gaap	Payments To Acquire Equipment On Lease PaymentsToAcquireEquipmentOnLease	142471000	usd
	us-gaap	Proceeds From Sale Of Machinery And Equipment ProceedsFromSaleOfMachineryAndEquipment	25014000	usd
	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	89635000	usd
	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	15397000	usd
	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	6780000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2753000	usd
	wlfc	Transfers From Equipment Held For Operating Lease To Investment In Sales Type Leases TransfersFromEquipmentHeldForOperatingLeaseToInvestmentInSalesTypeLeases	0	usd
	wlfc	Proceeds From Insurance Settlement On Property Equipment And Furnishings ProceedsFromInsuranceSettlementOnPropertyEquipmentAndFurnishings	1235000	usd
	wlfc	Proceeds From Insurance Settlement On Property Equipment And Furnishings ProceedsFromInsuranceSettlementOnPropertyEquipmentAndFurnishings	0	usd
	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	0	usd
	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	2189000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-454959000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-132146000	usd
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	518894000	usd
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	159840000	usd
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	331218000	usd
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	221890000	usd
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	13050000	usd
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	8926000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	0	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	7240000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	5620000	usd
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	5819000	usd
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	384000	usd
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	3388000	usd
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	2440000	usd
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	261000	usd
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	276000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	175614000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-70218000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-62905000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-33384000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	168029000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	89016000	usd
CY2024Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	105124000	usd
	us-gaap	Interest Paid Net InterestPaidNet	73374000	usd
	us-gaap	Interest Paid Net InterestPaidNet	55445000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	5827000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	181000	usd
	wlfc	Transfers From Equipment Held For Operating Lease To Investment In Sales Type Leases TransfersFromEquipmentHeldForOperatingLeaseToInvestmentInSalesTypeLeases	43370000	usd
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	17524000	usd
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	1901000	usd
	wlfc	Transfer From Inventory To Equipment Held For Lease TransferFromInventoryToEquipmentHeldForLease	4514000	usd
	wlfc	Transfer From Inventory To Equipment Held For Lease TransferFromInventoryToEquipmentHeldForLease	0	usd
	wlfc	Transfers From Equipment Held For Operating Lease To Spare Parts Inventory TransfersFromEquipmentHeldForOperatingLeaseToSparePartsInventory	460000	usd
	wlfc	Transfers From Equipment Held For Operating Lease To Spare Parts Inventory TransfersFromEquipmentHeldForOperatingLeaseToSparePartsInventory	457000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	181000	usd
	wlfc	Transfers From Equipment Held For Operating Lease To Investment In Sales Type Leases TransfersFromEquipmentHeldForOperatingLeaseToInvestmentInSalesTypeLeases	43370000	usd
	wlfc	Transfers From Equipment Held For Operating Lease To Investment In Sales Type Leases TransfersFromEquipmentHeldForOperatingLeaseToInvestmentInSalesTypeLeases	0	usd
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	17524000	usd
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	1901000	usd
	wlfc	Transfer From Inventory To Equipment Held For Lease TransferFromInventoryToEquipmentHeldForLease	4514000	usd
	wlfc	Transfer From Inventory To Equipment Held For Lease TransferFromInventoryToEquipmentHeldForLease	0	usd
	wlfc	Transfers From Equipment Held For Operating Lease To Spare Parts Inventory TransfersFromEquipmentHeldForOperatingLeaseToSparePartsInventory	460000	usd
	wlfc	Transfers From Equipment Held For Operating Lease To Spare Parts Inventory TransfersFromEquipmentHeldForOperatingLeaseToSparePartsInventory	457000	usd
	wlfc	Non Cash Additions To Equipment Held For Operating Leases NonCashAdditionsToEquipmentHeldForOperatingLeases	54606000	usd
	wlfc	Non Cash Additions To Equipment Held For Operating Leases NonCashAdditionsToEquipmentHeldForOperatingLeases	2423000	usd
	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	39000	usd
	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	63000	usd
CY2024Q3	wlfc	Equipment Held For Operating Lease EquipmentHeldForOperatingLease	2435600000	usd
CY2024Q3	us-gaap	Long Term Accounts Notes And Loans Receivable Net Noncurrent LongTermAccountsNotesAndLoansReceivableNetNoncurrent	175400000	usd
CY2024Q3	wlfc	Maintenance Rights MaintenanceRights	31500000	usd
CY2024Q3	us-gaap	Sales Type Lease Net Investment In Lease After Allowance For Credit Loss SalesTypeLeaseNetInvestmentInLeaseAfterAllowanceForCreditLoss	23200000	usd
CY2024Q3	wlfc	Number Of Leased Assets NumberOfLeasedAssets	348	engine
CY2024Q3	wlfc	Number Of Leased Assets NumberOfLeasedAssets	16	aircraft
CY2024Q3	wlfc	Number Of Leased Assets NumberOfLeasedAssets	1	marine_vessel
CY2023Q4	wlfc	Equipment Held For Operating Lease EquipmentHeldForOperatingLease	2112800000	usd
CY2023Q4	us-gaap	Long Term Accounts Notes And Loans Receivable Net Noncurrent LongTermAccountsNotesAndLoansReceivableNetNoncurrent	92600000	usd
CY2023Q4	wlfc	Maintenance Rights MaintenanceRights	9200000	usd
CY2023Q4	us-gaap	Sales Type Lease Net Investment In Lease After Allowance For Credit Loss SalesTypeLeaseNetInvestmentInLeaseAfterAllowanceForCreditLoss	8800000	usd
CY2023Q4	wlfc	Number Of Leased Assets NumberOfLeasedAssets	1	marine_vessel
CY2024Q3	us-gaap	Interest Income Operating InterestIncomeOperating	3400000	usd
CY2023Q3	us-gaap	Interest Income Operating InterestIncomeOperating	2100000	usd
	wlfc	Transfers From Equipment Held For Operating Lease To Investment In Sales Type Leases TransfersFromEquipmentHeldForOperatingLeaseToInvestmentInSalesTypeLeases	43370000	usd
	wlfc	Transfers From Equipment Held For Operating Lease To Investment In Sales Type Leases TransfersFromEquipmentHeldForOperatingLeaseToInvestmentInSalesTypeLeases	0	usd
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	17524000	usd
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	1901000	usd
	wlfc	Transfer From Inventory To Equipment Held For Lease TransferFromInventoryToEquipmentHeldForLease	4514000	usd
	wlfc	Transfer From Inventory To Equipment Held For Lease TransferFromInventoryToEquipmentHeldForLease	0	usd
	wlfc	Transfers From Equipment Held For Operating Lease To Spare Parts Inventory TransfersFromEquipmentHeldForOperatingLeaseToSparePartsInventory	460000	usd
	wlfc	Transfers From Equipment Held For Operating Lease To Spare Parts Inventory TransfersFromEquipmentHeldForOperatingLeaseToSparePartsInventory	457000	usd
	wlfc	Non Cash Additions To Equipment Held For Operating Leases NonCashAdditionsToEquipmentHeldForOperatingLeases	54606000	usd
	wlfc	Non Cash Additions To Equipment Held For Operating Leases NonCashAdditionsToEquipmentHeldForOperatingLeases	2423000	usd
	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	39000	usd
	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	63000	usd
CY2024Q3	wlfc	Equipment Held For Operating Lease EquipmentHeldForOperatingLease	2435600000	usd
CY2024Q3	us-gaap	Long Term Accounts Notes And Loans Receivable Net Noncurrent LongTermAccountsNotesAndLoansReceivableNetNoncurrent	175400000	usd
CY2024Q3	wlfc	Maintenance Rights MaintenanceRights	31500000	usd
CY2024Q3	us-gaap	Sales Type Lease Net Investment In Lease After Allowance For Credit Loss SalesTypeLeaseNetInvestmentInLeaseAfterAllowanceForCreditLoss	23200000	usd
CY2024Q3	wlfc	Number Of Leased Assets NumberOfLeasedAssets	348	engine
CY2024Q3	wlfc	Number Of Leased Assets NumberOfLeasedAssets	16	aircraft
CY2024Q3	wlfc	Number Of Leased Assets NumberOfLeasedAssets	1	marine_vessel
CY2023Q4	wlfc	Equipment Held For Operating Lease EquipmentHeldForOperatingLease	2112800000	usd
CY2023Q4	us-gaap	Long Term Accounts Notes And Loans Receivable Net Noncurrent LongTermAccountsNotesAndLoansReceivableNetNoncurrent	92600000	usd
CY2023Q4	wlfc	Maintenance Rights MaintenanceRights	9200000	usd
CY2023Q4	us-gaap	Sales Type Lease Net Investment In Lease After Allowance For Credit Loss SalesTypeLeaseNetInvestmentInLeaseAfterAllowanceForCreditLoss	8800000	usd
CY2023Q4	wlfc	Number Of Leased Assets NumberOfLeasedAssets	1	marine_vessel
CY2024Q3	us-gaap	Interest Income Operating InterestIncomeOperating	3400000	usd
CY2023Q3	us-gaap	Interest Income Operating InterestIncomeOperating	2100000	usd
	us-gaap	Interest Income Operating InterestIncomeOperating	8000000.0	usd
	wlfc	Transfers From Equipment Held For Operating Lease To Spare Parts Inventory TransfersFromEquipmentHeldForOperatingLeaseToSparePartsInventory	460000	usd
	wlfc	Transfers From Equipment Held For Operating Lease To Spare Parts Inventory TransfersFromEquipmentHeldForOperatingLeaseToSparePartsInventory	457000	usd
	wlfc	Non Cash Additions To Equipment Held For Operating Leases NonCashAdditionsToEquipmentHeldForOperatingLeases	54606000	usd
	wlfc	Non Cash Additions To Equipment Held For Operating Leases NonCashAdditionsToEquipmentHeldForOperatingLeases	2423000	usd
	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	39000	usd
	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	63000	usd
CY2024Q3	wlfc	Equipment Held For Operating Lease EquipmentHeldForOperatingLease	2435600000	usd
CY2024Q3	us-gaap	Long Term Accounts Notes And Loans Receivable Net Noncurrent LongTermAccountsNotesAndLoansReceivableNetNoncurrent	175400000	usd
CY2024Q3	wlfc	Maintenance Rights MaintenanceRights	31500000	usd
CY2024Q3	us-gaap	Sales Type Lease Net Investment In Lease After Allowance For Credit Loss SalesTypeLeaseNetInvestmentInLeaseAfterAllowanceForCreditLoss	23200000	usd
CY2024Q3	wlfc	Number Of Leased Assets NumberOfLeasedAssets	348	engine
CY2024Q3	wlfc	Number Of Leased Assets NumberOfLeasedAssets	16	aircraft
CY2024Q3	wlfc	Number Of Leased Assets NumberOfLeasedAssets	1	marine_vessel
CY2023Q4	wlfc	Equipment Held For Operating Lease EquipmentHeldForOperatingLease	2112800000	usd
CY2023Q4	us-gaap	Long Term Accounts Notes And Loans Receivable Net Noncurrent LongTermAccountsNotesAndLoansReceivableNetNoncurrent	92600000	usd
CY2023Q4	wlfc	Maintenance Rights MaintenanceRights	9200000	usd
CY2023Q4	us-gaap	Sales Type Lease Net Investment In Lease After Allowance For Credit Loss SalesTypeLeaseNetInvestmentInLeaseAfterAllowanceForCreditLoss	8800000	usd
CY2023Q4	wlfc	Number Of Leased Assets NumberOfLeasedAssets	337	engine
CY2023Q4	wlfc	Number Of Leased Assets NumberOfLeasedAssets	12	aircraft
CY2023Q4	wlfc	Number Of Leased Assets NumberOfLeasedAssets	1	marine_vessel
CY2024Q3	us-gaap	Interest Income Operating InterestIncomeOperating	3400000	usd
CY2023Q3	us-gaap	Interest Income Operating InterestIncomeOperating	2100000	usd
	us-gaap	Interest Income Operating InterestIncomeOperating	8000000.0	usd
	us-gaap	Interest Income Operating InterestIncomeOperating	6400000	usd
	wlfc	Non Cash Additions To Equipment Held For Operating Leases NonCashAdditionsToEquipmentHeldForOperatingLeases	54606000	usd
	wlfc	Non Cash Additions To Equipment Held For Operating Leases NonCashAdditionsToEquipmentHeldForOperatingLeases	2423000	usd
	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	39000	usd
	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	63000	usd
CY2024Q3	wlfc	Equipment Held For Operating Lease EquipmentHeldForOperatingLease	2435600000	usd
CY2024Q3	us-gaap	Long Term Accounts Notes And Loans Receivable Net Noncurrent LongTermAccountsNotesAndLoansReceivableNetNoncurrent	175400000	usd
CY2024Q3	wlfc	Maintenance Rights MaintenanceRights	31500000	usd
CY2024Q3	us-gaap	Sales Type Lease Net Investment In Lease After Allowance For Credit Loss SalesTypeLeaseNetInvestmentInLeaseAfterAllowanceForCreditLoss	23200000	usd
CY2024Q3	wlfc	Number Of Leased Assets NumberOfLeasedAssets	348	engine
CY2024Q3	wlfc	Number Of Leased Assets NumberOfLeasedAssets	16	aircraft
CY2024Q3	wlfc	Number Of Leased Assets NumberOfLeasedAssets	1	marine_vessel
CY2023Q4	wlfc	Equipment Held For Operating Lease EquipmentHeldForOperatingLease	2112800000	usd
CY2023Q4	us-gaap	Sales Type Lease Net Investment In Lease After Allowance For Credit Loss SalesTypeLeaseNetInvestmentInLeaseAfterAllowanceForCreditLoss	8800000	usd
CY2023Q4	wlfc	Number Of Leased Assets NumberOfLeasedAssets	337	engine
CY2024Q3	us-gaap	Interest Income Operating InterestIncomeOperating	3400000	usd
CY2023Q3	us-gaap	Interest Income Operating InterestIncomeOperating	2100000	usd
	us-gaap	Interest Income Operating InterestIncomeOperating	8000000.0	usd
	us-gaap	Interest Income Operating InterestIncomeOperating	6400000	usd
	us-gaap	Interest Income Operating InterestIncomeOperating	8000000.0	usd
CY2023Q4	us-gaap	Equity Method Investments EquityMethodInvestments	58044000	usd
	wlfc	Income Loss From Equity Method Investments Excluding Amortization On Deferred Gains IncomeLossFromEquityMethodInvestmentsExcludingAmortizationOnDeferredGains	7255000	usd
	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	3002000	usd
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	245000	usd
	wlfc	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Joint Venture OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxJointVenture	-651000	usd
CY2024Q3	us-gaap	Equity Method Investments EquityMethodInvestments	61891000	usd
CY2024Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2014734000	usd
CY2023Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1827059000	usd
CY2024Q3	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	24279000	usd
CY2023Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	24178000	usd
CY2024Q3	us-gaap	Long Term Debt LongTermDebt	1990455000	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	1802881000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal Remainder Of Fiscal Year LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear	17690000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	473804000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	238384000	usd
CY2024Q3	wlfc	Long Term Debt Maturity After Year Four LongTermDebtMaturityAfterYearFour	822411000	usd
CY2024Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2014734000	usd
	us-gaap	Interest Income Operating InterestIncomeOperating	6400000	usd
CY2023Q4	us-gaap	Equity Method Investments EquityMethodInvestments	58044000	usd
	wlfc	Income Loss From Equity Method Investments Excluding Amortization On Deferred Gains IncomeLossFromEquityMethodInvestmentsExcludingAmortizationOnDeferredGains	7255000	usd
	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	3002000	usd
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	245000	usd
	wlfc	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Joint Venture OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxJointVenture	-651000	usd
CY2024Q3	us-gaap	Equity Method Investments EquityMethodInvestments	61891000	usd
CY2024Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2014734000	usd
CY2023Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1827059000	usd
CY2024Q3	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	24279000	usd
CY2023Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	24178000	usd
CY2024Q3	us-gaap	Long Term Debt LongTermDebt	1990455000	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	1802881000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal Remainder Of Fiscal Year LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear	17690000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	473804000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	270018000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	192427000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	238384000	usd
CY2024Q3	wlfc	Long Term Debt Maturity After Year Four LongTermDebtMaturityAfterYearFour	822411000	usd
CY2024Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2014734000	usd
CY2023Q4	us-gaap	Equity Method Investments EquityMethodInvestments	58044000	usd
	wlfc	Income Loss From Equity Method Investments Excluding Amortization On Deferred Gains IncomeLossFromEquityMethodInvestmentsExcludingAmortizationOnDeferredGains	7255000	usd
	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	3002000	usd
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	245000	usd
	wlfc	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Joint Venture OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxJointVenture	-651000	usd
CY2024Q3	us-gaap	Equity Method Investments EquityMethodInvestments	61891000	usd
CY2024Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2014734000	usd
CY2023Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1827059000	usd
CY2024Q3	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	24279000	usd
CY2023Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	24178000	usd
CY2024Q3	us-gaap	Long Term Debt LongTermDebt	1990455000	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	1802881000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal Remainder Of Fiscal Year LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear	17690000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	473804000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	270018000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	192427000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	238384000	usd
CY2023Q4	us-gaap	Equity Method Investments EquityMethodInvestments	58044000	usd
	wlfc	Income Loss From Equity Method Investments Excluding Amortization On Deferred Gains IncomeLossFromEquityMethodInvestmentsExcludingAmortizationOnDeferredGains	7255000	usd
	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	3002000	usd
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	245000	usd
	wlfc	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Joint Venture OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxJointVenture	-651000	usd
CY2024Q3	us-gaap	Equity Method Investments EquityMethodInvestments	61891000	usd
CY2024Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2014734000	usd
CY2023Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1827059000	usd
CY2024Q3	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	24279000	usd
CY2023Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	24178000	usd
CY2024Q3	us-gaap	Long Term Debt LongTermDebt	1990455000	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	1802881000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal Remainder Of Fiscal Year LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear	17690000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	473804000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	192427000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	238384000	usd
CY2024Q3	wlfc	Long Term Debt Maturity After Year Four LongTermDebtMaturityAfterYearFour	822411000	usd
CY2024Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2014734000	usd
CY2024Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10400000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	34700000	usd
CY2024Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.301
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.284
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5700000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13300000	usd
CY2023Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.281
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.289
CY2024Q3	us-gaap	Notes Receivable Fair Value Disclosure NotesReceivableFairValueDisclosure	144900000	usd
CY2023Q4	us-gaap	Notes Receivable Fair Value Disclosure NotesReceivableFairValueDisclosure	90300000	usd
CY2024Q3	wlfc	Investment In Sales Type Leases Fair Value Disclosure InvestmentInSalesTypeLeasesFairValueDisclosure	20000000.0	usd
CY2024Q3	us-gaap	Notes Payable Fair Value Disclosure NotesPayableFairValueDisclosure	1752600000	usd
CY2023Q4	us-gaap	Notes Payable Fair Value Disclosure NotesPayableFairValueDisclosure	1598500000	usd
CY2024Q3	wlfc	Gain Loss On Equipment Held For Lease GainLossOnEquipmentHeldForLease	434000	usd
CY2023Q3	wlfc	Gain Loss On Equipment Held For Lease GainLossOnEquipmentHeldForLease	454000	usd
	wlfc	Gain Loss On Equipment Held For Lease GainLossOnEquipmentHeldForLease	695000	usd
	wlfc	Gain Loss On Equipment Held For Lease GainLossOnEquipmentHeldForLease	2075000	usd
CY2024Q3	wlfc	Gain Loss On Equipment Held For Sale GainLossOnEquipmentHeldForSale	171000	usd
CY2023Q3	wlfc	Gain Loss On Equipment Held For Sale GainLossOnEquipmentHeldForSale	265000	usd
	wlfc	Gain Loss On Equipment Held For Sale GainLossOnEquipmentHeldForSale	171000	usd
	wlfc	Gain Loss On Equipment Held For Sale GainLossOnEquipmentHeldForSale	315000	usd
CY2024Q3	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	605000	usd
CY2023Q3	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	719000	usd
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	866000	usd
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	2390000	usd
CY2024Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10400000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	34700000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5700000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13300000	usd
CY2023Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.281
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.289
CY2024Q3	us-gaap	Notes Receivable Fair Value Disclosure NotesReceivableFairValueDisclosure	144900000	usd
CY2023Q4	us-gaap	Notes Receivable Fair Value Disclosure NotesReceivableFairValueDisclosure	90300000	usd
CY2023Q4	wlfc	Investment In Sales Type Leases Fair Value Disclosure InvestmentInSalesTypeLeasesFairValueDisclosure	8700000	usd
CY2024Q3	us-gaap	Notes Payable Fair Value Disclosure NotesPayableFairValueDisclosure	1752600000	usd
CY2023Q4	us-gaap	Notes Payable Fair Value Disclosure NotesPayableFairValueDisclosure	1598500000	usd
CY2024Q3	wlfc	Gain Loss On Equipment Held For Lease GainLossOnEquipmentHeldForLease	434000	usd
CY2023Q3	wlfc	Gain Loss On Equipment Held For Lease GainLossOnEquipmentHeldForLease	454000	usd
	wlfc	Gain Loss On Equipment Held For Lease GainLossOnEquipmentHeldForLease	695000	usd
	wlfc	Gain Loss On Equipment Held For Lease GainLossOnEquipmentHeldForLease	2075000	usd
CY2024Q3	wlfc	Gain Loss On Equipment Held For Sale GainLossOnEquipmentHeldForSale	171000	usd
CY2023Q3	wlfc	Gain Loss On Equipment Held For Sale GainLossOnEquipmentHeldForSale	265000	usd
	wlfc	Gain Loss On Equipment Held For Sale GainLossOnEquipmentHeldForSale	171000	usd
	wlfc	Gain Loss On Equipment Held For Sale GainLossOnEquipmentHeldForSale	315000	usd
CY2024Q3	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	605000	usd
CY2023Q3	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	719000	usd
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	866000	usd
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	2390000	usd
CY2024Q3	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	600000	usd
CY2024Q3	wlfc	Number Of Assets Impaired NumberOfAssetsImpaired	3	engine
CY2024Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10400000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	34700000	usd
CY2024Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.301
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.284
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5700000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13300000	usd
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.289
CY2024Q3	us-gaap	Notes Receivable Fair Value Disclosure NotesReceivableFairValueDisclosure	144900000	usd
CY2023Q4	us-gaap	Notes Receivable Fair Value Disclosure NotesReceivableFairValueDisclosure	90300000	usd
CY2024Q3	wlfc	Investment In Sales Type Leases Fair Value Disclosure InvestmentInSalesTypeLeasesFairValueDisclosure	20000000.0	usd
CY2024Q3	us-gaap	Notes Payable Fair Value Disclosure NotesPayableFairValueDisclosure	1752600000	usd
CY2023Q4	us-gaap	Notes Payable Fair Value Disclosure NotesPayableFairValueDisclosure	1598500000	usd
CY2024Q3	wlfc	Gain Loss On Equipment Held For Lease GainLossOnEquipmentHeldForLease	434000	usd
	wlfc	Gain Loss On Equipment Held For Lease GainLossOnEquipmentHeldForLease	695000	usd
	wlfc	Gain Loss On Equipment Held For Lease GainLossOnEquipmentHeldForLease	2075000	usd
CY2024Q3	wlfc	Gain Loss On Equipment Held For Sale GainLossOnEquipmentHeldForSale	171000	usd
CY2023Q3	wlfc	Gain Loss On Equipment Held For Sale GainLossOnEquipmentHeldForSale	265000	usd
	wlfc	Gain Loss On Equipment Held For Sale GainLossOnEquipmentHeldForSale	171000	usd
	wlfc	Gain Loss On Equipment Held For Sale GainLossOnEquipmentHeldForSale	315000	usd
CY2024Q3	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	605000	usd
CY2023Q3	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	719000	usd
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	866000	usd
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	2390000	usd
CY2024Q3	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	600000	usd
CY2024Q3	wlfc	Number Of Assets Impaired NumberOfAssetsImpaired	3	engine
CY2024Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10400000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	34700000	usd
CY2024Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.301
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5700000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13300000	usd
CY2023Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.281
CY2024Q3	us-gaap	Notes Receivable Fair Value Disclosure NotesReceivableFairValueDisclosure	144900000	usd
CY2023Q4	us-gaap	Notes Receivable Fair Value Disclosure NotesReceivableFairValueDisclosure	90300000	usd
CY2024Q3	wlfc	Investment In Sales Type Leases Fair Value Disclosure InvestmentInSalesTypeLeasesFairValueDisclosure	20000000.0	usd
CY2023Q4	wlfc	Investment In Sales Type Leases Fair Value Disclosure InvestmentInSalesTypeLeasesFairValueDisclosure	8700000	usd
CY2024Q3	us-gaap	Notes Payable Fair Value Disclosure NotesPayableFairValueDisclosure	1752600000	usd
CY2023Q4	us-gaap	Notes Payable Fair Value Disclosure NotesPayableFairValueDisclosure	1598500000	usd
CY2024Q3	wlfc	Gain Loss On Equipment Held For Lease GainLossOnEquipmentHeldForLease	434000	usd
CY2023Q3	wlfc	Gain Loss On Equipment Held For Lease GainLossOnEquipmentHeldForLease	454000	usd
	wlfc	Gain Loss On Equipment Held For Lease GainLossOnEquipmentHeldForLease	695000	usd
	wlfc	Gain Loss On Equipment Held For Lease GainLossOnEquipmentHeldForLease	2075000	usd
CY2024Q3	wlfc	Gain Loss On Equipment Held For Sale GainLossOnEquipmentHeldForSale	171000	usd
CY2023Q3	wlfc	Gain Loss On Equipment Held For Sale GainLossOnEquipmentHeldForSale	265000	usd
	wlfc	Gain Loss On Equipment Held For Sale GainLossOnEquipmentHeldForSale	171000	usd
	wlfc	Gain Loss On Equipment Held For Sale GainLossOnEquipmentHeldForSale	315000	usd
CY2024Q3	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	605000	usd
CY2023Q3	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	719000	usd
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	866000	usd
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	2390000	usd
CY2024Q3	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	600000	usd
CY2024Q3	wlfc	Number Of Assets Impaired NumberOfAssetsImpaired	3	engine
	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	900000	usd
	wlfc	Number Of Assets Impaired NumberOfAssetsImpaired	1	airframe
	wlfc	Number Of Assets Impaired NumberOfAssetsImpaired	3	engine
CY2024Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	900	shares
CY2023Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2024Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	23133000	usd
CY2023Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	13778000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	84754000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	30334000	usd
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6582000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6365000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6513000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6282000	shares
CY2024Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	277000	shares
CY2023Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	101000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	232000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	172000	shares
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6859000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6466000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6745000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6454000	shares
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.51
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.16
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	13.01
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.83
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.37
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	12.57
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.70
CY2022Q4	srt	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	60000000	usd
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	3400000	usd
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	2400000	usd
CY2024Q3	us-gaap	Temporary Equity Liquidation Preference Per Share TemporaryEquityLiquidationPreferencePerShare	20.00
CY2024Q3	us-gaap	Temporary Equity Liquidation Preference Per Share TemporaryEquityLiquidationPreferencePerShare	20.00
CY2024Q3	wlfc	Number Of Assets Impaired NumberOfAssetsImpaired	3	engine
	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	900000	usd
	wlfc	Number Of Assets Impaired NumberOfAssetsImpaired	1	airframe
CY2024Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	900	shares
CY2023Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2024Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	23133000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	84754000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	30334000	usd
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6582000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6365000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6513000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6282000	shares
CY2024Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	277000	shares
CY2023Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	101000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	232000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	172000	shares
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6859000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6466000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6745000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6454000	shares
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.51
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.16
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.83
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.37
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	12.57
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.70
CY2022Q4	srt	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	60000000	usd
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	3400000	usd
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	2400000	usd
CY2024Q3	us-gaap	Temporary Equity Liquidation Preference Per Share TemporaryEquityLiquidationPreferencePerShare	20.00
CY2024Q3	us-gaap	Temporary Equity Liquidation Preference Per Share TemporaryEquityLiquidationPreferencePerShare	20.00
CY2024Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	10389000	usd
	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	900000	usd
	wlfc	Number Of Assets Impaired NumberOfAssetsImpaired	1	airframe
	wlfc	Number Of Assets Impaired NumberOfAssetsImpaired	3	engine
CY2024Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	900	shares
CY2023Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2024Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	23133000	usd
CY2023Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	13778000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	84754000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	30334000	usd
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6582000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6365000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6513000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6282000	shares
CY2024Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	277000	shares
CY2023Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	101000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	232000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	172000	shares
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6859000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6466000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6745000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6454000	shares
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.51
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.16
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	13.01
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.83
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.13
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	12.57
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.70
CY2022Q4	srt	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	60000000	usd
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	3400000	usd
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	2400000	usd
CY2024Q3	us-gaap	Temporary Equity Liquidation Preference Per Share TemporaryEquityLiquidationPreferencePerShare	20.00
CY2024Q3	us-gaap	Temporary Equity Liquidation Preference Per Share TemporaryEquityLiquidationPreferencePerShare	20.00
	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	900000	usd
	wlfc	Number Of Assets Impaired NumberOfAssetsImpaired	1	airframe
CY2024Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	900	shares
CY2023Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2024Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	23133000	usd
CY2023Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	13778000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	84754000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	30334000	usd
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6582000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6365000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6513000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6282000	shares
CY2024Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	277000	shares
CY2023Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	101000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	232000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	172000	shares
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6859000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6466000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6745000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6454000	shares
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.51
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.16
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	13.01
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.83
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.37
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.13
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	12.57
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.70
CY2022Q4	srt	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	60000000	usd
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	3400000	usd
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	2400000	usd
CY2024Q3	us-gaap	Temporary Equity Liquidation Preference Per Share TemporaryEquityLiquidationPreferencePerShare	20.00
CY2024Q3	us-gaap	Temporary Equity Liquidation Preference Per Share TemporaryEquityLiquidationPreferencePerShare	20.00
CY2024Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	10389000	usd
CY2023Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3871000	usd
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	segment
CY2024Q3	us-gaap	Interest Income Operating InterestIncomeOperating	3412000	usd
CY2024Q3	us-gaap	Gain Loss On Sale Of Leased Assets Net Operating Leases GainLossOnSaleOfLeasedAssetsNetOperatingLeases	9519000	usd
CY2024Q3	us-gaap	Revenues Revenues	146223000	usd
CY2024Q3	us-gaap	Depreciation And Amortization DepreciationAndAmortization	23650000	usd
CY2024Q3	us-gaap	Selling Expense SellingExpense	8861000	usd
CY2024Q3	us-gaap	Cost Maintenance CostMaintenance	6402000	usd
CY2024Q3	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	605000	usd
CY2024Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	40037000	usd
CY2024Q3	us-gaap	Equipment Expense EquipmentExpense	5151000	usd
CY2024Q3	us-gaap	Interest Expense InterestExpense	27813000	usd
CY2024Q3	wlfc	Finance Costs Net FinanceCostsNet	27813000	usd
CY2024Q3	us-gaap	Costs And Expenses CostsAndExpenses	112519000	usd
CY2024Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	33704000	usd
CY2023Q3	us-gaap	Interest Income Operating InterestIncomeOperating	2106000	usd
CY2023Q3	us-gaap	Gain Loss On Sale Of Leased Assets Net Operating Leases GainLossOnSaleOfLeasedAssetsNetOperatingLeases	773000	usd
CY2023Q3	us-gaap	Revenues Revenues	105745000	usd
CY2023Q3	us-gaap	Depreciation And Amortization DepreciationAndAmortization	23088000	usd
CY2023Q3	us-gaap	Selling Expense SellingExpense	2024000	usd
CY2023Q3	us-gaap	Cost Maintenance CostMaintenance	5580000	usd
CY2023Q3	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	719000	usd
CY2023Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	26545000	usd
CY2023Q3	us-gaap	Equipment Expense EquipmentExpense	8739000	usd
CY2023Q3	us-gaap	Interest Expense InterestExpense	19052000	usd
CY2023Q3	wlfc	Finance Costs Net FinanceCostsNet	19052000	usd
CY2023Q3	us-gaap	Costs And Expenses CostsAndExpenses	85747000	usd
CY2023Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	19998000	usd
	us-gaap	Interest Income Operating InterestIncomeOperating	7965000	usd
	us-gaap	Gain Loss On Sale Of Leased Assets Net Operating Leases GainLossOnSaleOfLeasedAssetsNetOperatingLeases	33148000	usd
	us-gaap	Revenues Revenues	416426000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	68303000	usd
	us-gaap	Selling Expense SellingExpense	17003000	usd
	us-gaap	Cost Maintenance CostMaintenance	17647000	usd
	wlfc	Finance Costs Net FinanceCostsNet	75378000	usd
CY2024Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	10389000	usd
CY2023Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3871000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	10670000	usd
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	segment
CY2024Q3	us-gaap	Interest Income Operating InterestIncomeOperating	3412000	usd
CY2024Q3	us-gaap	Gain Loss On Sale Of Leased Assets Net Operating Leases GainLossOnSaleOfLeasedAssetsNetOperatingLeases	9519000	usd
CY2024Q3	us-gaap	Revenues Revenues	146223000	usd
CY2024Q3	us-gaap	Depreciation And Amortization DepreciationAndAmortization	23650000	usd
CY2024Q3	us-gaap	Selling Expense SellingExpense	8861000	usd
CY2024Q3	us-gaap	Cost Maintenance CostMaintenance	6402000	usd
CY2024Q3	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	605000	usd
CY2024Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	40037000	usd
CY2024Q3	us-gaap	Equipment Expense EquipmentExpense	5151000	usd
CY2024Q3	us-gaap	Interest Expense InterestExpense	27813000	usd
CY2024Q3	wlfc	Finance Costs Net FinanceCostsNet	27813000	usd
CY2024Q3	us-gaap	Costs And Expenses CostsAndExpenses	112519000	usd
CY2024Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	33704000	usd
CY2023Q3	us-gaap	Interest Income Operating InterestIncomeOperating	2106000	usd
CY2023Q3	us-gaap	Gain Loss On Sale Of Leased Assets Net Operating Leases GainLossOnSaleOfLeasedAssetsNetOperatingLeases	773000	usd
CY2023Q3	us-gaap	Revenues Revenues	105745000	usd
CY2023Q3	us-gaap	Depreciation And Amortization DepreciationAndAmortization	23088000	usd
CY2023Q3	us-gaap	Selling Expense SellingExpense	2024000	usd
CY2023Q3	us-gaap	Cost Maintenance CostMaintenance	5580000	usd
CY2023Q3	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	719000	usd
CY2023Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	26545000	usd
CY2023Q3	us-gaap	Equipment Expense EquipmentExpense	8739000	usd
CY2023Q3	us-gaap	Interest Expense InterestExpense	19052000	usd
CY2023Q3	wlfc	Finance Costs Net FinanceCostsNet	19052000	usd
CY2023Q3	us-gaap	Costs And Expenses CostsAndExpenses	85747000	usd
CY2023Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	19998000	usd
	us-gaap	Interest Income Operating InterestIncomeOperating	7965000	usd
	us-gaap	Gain Loss On Sale Of Leased Assets Net Operating Leases GainLossOnSaleOfLeasedAssetsNetOperatingLeases	33148000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	68303000	usd
	us-gaap	Selling Expense SellingExpense	17003000	usd
	us-gaap	Cost Maintenance CostMaintenance	17647000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	104305000	usd
	us-gaap	Interest Expense InterestExpense	75378000	usd
	wlfc	Finance Costs Net FinanceCostsNet	75378000	usd
	us-gaap	Revenues Revenues	304275000	usd
	us-gaap	Cost Maintenance CostMaintenance	14351000	usd
	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	2390000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	86103000	usd
	us-gaap	Equipment Expense EquipmentExpense	19755000	usd
	us-gaap	Interest Expense InterestExpense	56526000	usd
	wlfc	Finance Costs Net FinanceCostsNet	56526000	usd
CY2024Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	10389000	usd
CY2023Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3871000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	18351000	usd
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	segment
CY2024Q3	us-gaap	Interest Income Operating InterestIncomeOperating	3412000	usd
CY2024Q3	us-gaap	Gain Loss On Sale Of Leased Assets Net Operating Leases GainLossOnSaleOfLeasedAssetsNetOperatingLeases	9519000	usd
CY2024Q3	us-gaap	Revenues Revenues	146223000	usd
CY2024Q3	us-gaap	Depreciation And Amortization DepreciationAndAmortization	23650000	usd
CY2024Q3	us-gaap	Selling Expense SellingExpense	8861000	usd
CY2024Q3	us-gaap	Cost Maintenance CostMaintenance	6402000	usd
CY2024Q3	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	605000	usd
CY2024Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	40037000	usd
CY2024Q3	us-gaap	Equipment Expense EquipmentExpense	5151000	usd
CY2024Q3	us-gaap	Interest Expense InterestExpense	27813000	usd
CY2024Q3	wlfc	Finance Costs Net FinanceCostsNet	27813000	usd
CY2024Q3	us-gaap	Costs And Expenses CostsAndExpenses	112519000	usd
CY2024Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	33704000	usd
CY2023Q3	us-gaap	Interest Income Operating InterestIncomeOperating	2106000	usd
CY2023Q3	us-gaap	Gain Loss On Sale Of Leased Assets Net Operating Leases GainLossOnSaleOfLeasedAssetsNetOperatingLeases	773000	usd
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CY2023Q3	us-gaap	Cost Maintenance CostMaintenance	5580000	usd
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CY2023Q3	us-gaap	Equipment Expense EquipmentExpense	8739000	usd
CY2023Q3	us-gaap	Interest Expense InterestExpense	19052000	usd
CY2023Q3	wlfc	Finance Costs Net FinanceCostsNet	19052000	usd
CY2023Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	19998000	usd
	us-gaap	Interest Income Operating InterestIncomeOperating	7965000	usd
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	us-gaap	Cost Maintenance CostMaintenance	17647000	usd
	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	866000	usd
CY2024Q3	us-gaap	Assets Assets	3043593000	usd
	wlfc	Finance Costs Net FinanceCostsNet	75378000	usd
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	us-gaap	Depreciation And Amortization DepreciationAndAmortization	68131000	usd
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	us-gaap	Interest Expense InterestExpense	56526000	usd
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	us-gaap	Costs And Expenses CostsAndExpenses	256837000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	47438000	usd
CY2023Q4	us-gaap	Assets Assets	2652344000	usd
CY2023Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3871000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	18351000	usd
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CY2024Q3	us-gaap	Gain Loss On Sale Of Leased Assets Net Operating Leases GainLossOnSaleOfLeasedAssetsNetOperatingLeases	9519000	usd
CY2024Q3	us-gaap	Revenues Revenues	146223000	usd
CY2024Q3	us-gaap	Depreciation And Amortization DepreciationAndAmortization	23650000	usd
CY2024Q3	us-gaap	Selling Expense SellingExpense	8861000	usd
CY2024Q3	us-gaap	Cost Maintenance CostMaintenance	6402000	usd
CY2024Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	40037000	usd
CY2024Q3	us-gaap	Equipment Expense EquipmentExpense	5151000	usd
CY2024Q3	us-gaap	Interest Expense InterestExpense	27813000	usd
CY2024Q3	wlfc	Finance Costs Net FinanceCostsNet	27813000	usd
CY2024Q3	us-gaap	Costs And Expenses CostsAndExpenses	112519000	usd
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CY2023Q3	us-gaap	Revenues Revenues	105745000	usd
CY2023Q3	us-gaap	Depreciation And Amortization DepreciationAndAmortization	23088000	usd
CY2023Q3	us-gaap	Selling Expense SellingExpense	2024000	usd
CY2023Q3	us-gaap	Cost Maintenance CostMaintenance	5580000	usd
CY2023Q3	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	719000	usd
CY2023Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	26545000	usd
CY2023Q3	us-gaap	Equipment Expense EquipmentExpense	8739000	usd
CY2023Q3	us-gaap	Interest Expense InterestExpense	19052000	usd
CY2023Q3	wlfc	Finance Costs Net FinanceCostsNet	19052000	usd
CY2023Q3	us-gaap	Costs And Expenses CostsAndExpenses	85747000	usd
	us-gaap	Interest Income Operating InterestIncomeOperating	7965000	usd
	us-gaap	Gain Loss On Sale Of Leased Assets Net Operating Leases GainLossOnSaleOfLeasedAssetsNetOperatingLeases	33148000	usd
	us-gaap	Revenues Revenues	416426000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	68303000	usd
	us-gaap	Selling Expense SellingExpense	17003000	usd
	us-gaap	Cost Maintenance CostMaintenance	17647000	usd
	wlfc	Finance Costs Net FinanceCostsNet	75378000	usd
	us-gaap	Revenues Revenues	304275000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	68131000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	86103000	usd
	us-gaap	Equipment Expense EquipmentExpense	19755000	usd
	us-gaap	Interest Expense InterestExpense	56526000	usd
	wlfc	Finance Costs Net FinanceCostsNet	56526000	usd
	us-gaap	Costs And Expenses CostsAndExpenses	256837000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	47438000	usd
CY2024Q3	us-gaap	Assets Assets	3043593000	usd
	us-gaap	Revenues Revenues	304275000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	68131000	usd
	us-gaap	Selling Expense SellingExpense	9581000	usd
	us-gaap	Cost Maintenance CostMaintenance	14351000	usd
	us-gaap	Production Related Impairments Or Charges ProductionRelatedImpairmentsOrCharges	2390000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	86103000	usd
	us-gaap	Equipment Expense EquipmentExpense	19755000	usd
	us-gaap	Interest Expense InterestExpense	56526000	usd
	wlfc	Finance Costs Net FinanceCostsNet	56526000	usd
	us-gaap	Costs And Expenses CostsAndExpenses	256837000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	47438000	usd
CY2024Q3	us-gaap	Assets Assets	3043593000	usd
CY2023Q4	us-gaap	Assets Assets	2652344000	usd
CY2024Q3	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2024Q3	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2024Q3	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
	us-gaap	Costs And Expenses CostsAndExpenses	256837000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	47438000	usd
CY2024Q3	us-gaap	Assets Assets	3043593000	usd
CY2023Q4	us-gaap	Assets Assets	2652344000	usd
CY2024Q3	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
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CY2024Q3	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2024Q3	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2024Q3	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2024Q3	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2024Q3	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2024Q3	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2024Q3	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false

Files In Submission

Name	View Source	Status
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0001018164-24-000089-index.html	Edgar Link	pending
0001018164-24-000089.txt	Edgar Link	pending
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employmentagreement-bria001.jpg	Edgar Link	pending
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preferredstockpurchaseag010.jpg	Edgar Link	pending
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R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
0001018164-24-000089-index-headers.html	Edgar Link	pending
0001018164-24-000089-index.html	Edgar Link	pending
0001018164-24-000089.txt	Edgar Link	pending
0001018164-24-000089-xbrl.zip	Edgar Link	pending
a20240917thirdarcertific.htm	Edgar Link	pending
a20240917thirdarcertific001.jpg	Edgar Link	pending
a20240917thirdarcertific002.jpg	Edgar Link	pending
a20240917thirdarcertific003.jpg	Edgar Link	pending
a20240917thirdarcertific004.jpg	Edgar Link	pending
employmentagreement-bria.htm	Edgar Link	pending
employmentagreement-bria001.jpg	Edgar Link	pending
employmentagreement-bria002.jpg	Edgar Link	pending
employmentagreement-bria003.jpg	Edgar Link	pending
employmentagreement-bria004.jpg	Edgar Link	pending
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MetaLinks.json	Edgar Link	pending
preferredstockpurchaseag.htm	Edgar Link	pending
preferredstockpurchaseag001.jpg	Edgar Link	pending
preferredstockpurchaseag002.jpg	Edgar Link	pending
preferredstockpurchaseag003.jpg	Edgar Link	pending
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preferredstockpurchaseag006.jpg	Edgar Link	pending
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preferredstockpurchaseag009.jpg	Edgar Link	pending
preferredstockpurchaseag010.jpg	Edgar Link	pending
preferredstockpurchaseag011.jpg	Edgar Link	pending
preferredstockpurchaseag012.jpg	Edgar Link	pending
preferredstockpurchaseag013.jpg	Edgar Link	pending
preferredstockpurchaseag014.jpg	Edgar Link	pending
preferredstockpurchaseag015.jpg	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
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
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R23.htm	Edgar Link	pending
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R8.htm	Edgar Link	pending
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R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
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R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
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R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
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R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
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R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
wlfc-20240930.htm	Edgar Link	pending
wlfc-20240930.xsd	Edgar Link	pending
wlfc-9302024x10qxex311.htm	Edgar Link	pending
wlfc-9302024x10qxex312.htm	Edgar Link	pending
wlfc-9302024x10qxex32.htm	Edgar Link	pending
wlfc-20240930_cal.xml	Edgar Link	unprocessable
wlfc-20240930_def.xml	Edgar Link	unprocessable
wlfc-20240930_lab.xml	Edgar Link	unprocessable
wlfc-20240930_pre.xml	Edgar Link	unprocessable
wlfc-20240930_htm.xml	Edgar Link	completed
FilingSummary.xml	Edgar Link	unprocessable

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$WLFC
WILLIS LEASE FINANCE CORP Stock $wlfc

2024 Q4 Form 10-Q Financial Statement

#000101816424000089 Filed on November 04, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WLFC WILLIS LEASE FINANCE CORP Stock $wlfc

2024 Q4 Form 10-Q Financial Statement

#000101816424000089 Filed on November 04, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WLFC
WILLIS LEASE FINANCE CORP Stock $wlfc