XML 65 R49.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Investments (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Oct. 31, 2014 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Jun. 03, 2014
Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment in WMES joint ventures at beginning of the period |  |  |  |  | $ 41,590 |  |  |  | $ 23,485 |  |  |  |  | $ 41,590 | $ 23,485 |  |
Investment |  |  |  |  |  |  |  |  |  |  |  |  |  | 630 | 17,623 | $ 11,219 |
Earnings (losses) from joint ventures |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,068 | 1,221 |  |
Amortization of deferred gain |  |  |  |  |  |  |  |  |  |  |  |  |  | 107 | 108 |  |
Distribution |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,304) | (847) |  |
Foreign Currency Translation Adjustment |  |  |  |  |  |  |  |  |  |  |  |  |  | 796 |  |  |
Investment in WMES joint ventures at end of the period |  | $ 41,295 |  |  |  | $ 41,590 |  |  |  | $ 23,485 |  |  |  | 41,295 | 41,590 | 23,485 |
Consolidated Statements of Income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  | 55,195 | $ 57,758 | $ 43,843 | 42,814 | 41,563 | $ 45,519 | $ 43,865 | 43,340 | 47,203 | $ 37,952 | $ 37,953 | $ 35,304 | 199,610 | 174,287 | 158,412 |
Expenses |  |  |  |  |  |  |  |  |  |  |  |  |  | 186,641 | 163,774 | 150,638 |
Net income |  | 2,973 | $ 2,577 | $ (492) | 2,298 | (277) | $ 979 | $ 2,214 | 4,331 | 6,553 | $ (2,229) | $ 9,692 | $ 1,610 | 7,356 | 7,247 | 15,626 |
Total assets |  | 1,308,577 |  |  |  | 1,261,626 |  |  |  |  |  |  |  | 1,308,577 | 1,261,626 |  |
Total liabilities |  | 1,098,245 |  |  |  | 1,044,765 |  |  |  |  |  |  |  | 1,098,245 | 1,044,765 |  |
Total liabilities and shareholders' equity |  | $ 1,308,577 |  |  |  | 1,261,626 |  |  |  |  |  |  |  | $ 1,308,577 | 1,261,626 |  |
WMES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership interest (as a percent) |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |
Investment in WMES joint ventures at beginning of the period |  |  |  |  | 26,672 |  |  |  | $ 23,485 |  |  |  |  | $ 26,672 | 23,485 |  |
Investment |  |  |  |  |  |  |  |  |  |  |  |  |  | 630 | 2,623 |  |
Earnings (losses) from joint ventures |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,167 | 1,303 |  |
Amortization of deferred gain |  |  |  |  |  |  |  |  |  |  |  |  |  | 107 | 108 |  |
Distribution |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,304) | (847) |  |
Investment in WMES joint ventures at end of the period |  | $ 27,272 |  |  |  | 26,672 |  |  |  | $ 23,485 |  |  |  | 27,272 | 26,672 | 23,485 |
Management fees |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,700 | 2,000 | 1,700 |
Engine Value |  | 200 |  |  |  |  |  |  |  |  |  |  |  | 200 |  |  |
Consolidated Statements of Income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  |  |  |  | 26,909 | 25,757 | 16,312 |
Expenses |  |  |  |  |  |  |  |  |  |  |  |  |  | 24,574 | 23,150 | 15,538 |
Net income |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,335 | 2,607 | 774 |
Total assets |  | 256,126 |  |  |  | 268,924 |  |  |  |  |  |  |  | 256,126 | 268,924 |  |
Total liabilities |  | 195,258 |  |  |  | 209,044 |  |  |  |  |  |  |  | 195,258 | 209,044 |  |
Total liabilities and shareholders' equity |  | 60,868 |  |  |  | 59,880 |  |  |  |  |  |  |  | 60,868 | 59,880 |  |
WMES | Other Revenue |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Management fees |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,700 | 2,000 | $ 1,600 |
CASC Willis |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership interest (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.00%
Reduced Investment |  |  |  |  |  |  |  |  |  |  |  |  |  | 14,000 |  |  |
Loss reported |  |  |  |  |  |  |  |  |  |  |  |  |  | 200 |  |  |
Investment in WMES joint ventures at beginning of the period |  |  |  |  | $ 14,918 |  |  |  |  |  |  |  |  | 14,918 |  |  |
Investment | $ 15,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,000 |  |
Earnings (losses) from joint ventures |  |  |  |  |  |  |  |  |  |  |  |  |  | (99) | (82) |  |
Foreign Currency Translation Adjustment |  |  |  |  |  |  |  |  |  |  |  |  |  | 796 |  |  |
Investment in WMES joint ventures at end of the period |  | $ 14,023 |  |  |  | $ 14,918 |  |  |  |  |  |  |  | $ 14,023 | $ 14,918 |  |

X
- Definition Amount of fixed fee revenue for the management of an investment fund portfolio. Excludes investment advisory, distribution and servicing, and performance fees. + References No definition available. + Details
Name: | us-gaap_AssetManagementFees1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.18) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 7 + Details
Name: | us-gaap_Assets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Total costs of sales and operating expenses for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
Name: | us-gaap_CostsAndExpenses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition This item represents disclosure of the amount of dividends or other distributions received from unconsolidated subsidiaries, certain corporate joint ventures, and certain noncontrolled corporation; these investments are accounted for under the equity method of accounting. This element excludes distributions that constitute a return of investment, which are classified as investing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 13 -Article 5 + Details
Name: | us-gaap_EquityMethodInvestmentDividendsOrDistributions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35755396&loc=d3e33749-111570 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_EquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30700-110894 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30690-110894 + Details
Name: | us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19-26) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_Liabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.32) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 25 -Article 7 + Details
Name: | us-gaap_LiabilitiesAndStockholdersEquity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=51831255 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.19) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.18) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.22) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=51831270 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 5 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 20 -Article 9 + Details
Name: | us-gaap_NetIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireInterestInJointVenture
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
Name: | us-gaap_Revenues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amortization Of Deferred Gain Joint Venture + References No definition available. + Details
Name: | wlfc_AmortizationOfDeferredGainJointVenture
Namespace Prefix: | wlfc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Engine Value + References No definition available. + Details
Name: | wlfc_EngineValue
Namespace Prefix: | wlfc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Income Loss From Equity Method Investments Excluding Amortization On Deferred Gains + References No definition available. + Details
Name: | wlfc_IncomeLossFromEquityMethodInvestmentsExcludingAmortizationOnDeferredGains
Namespace Prefix: | wlfc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Income loss from joint venture reported during the year. + References No definition available. + Details
Name: | wlfc_IncomeLossFromJointVenture
Namespace Prefix: | wlfc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of reduction in joint venture investment during the year. + References No definition available. + Details
Name: | wlfc_ReducedInterestInJointVenture
Namespace Prefix: | wlfc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=wlfc_WillisMitsuiAndCompanyEngineSupportLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_OtherIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=wlfc_CSCWillisEngineLeaseCompanyLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |