XML 34 R24.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Equipment Held for Operating Lease and Notes Receivable (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2022
Leases [Abstract] |
Schedule of Operating Lease, Carrying Value of Assets Subject to Leases | The following table disaggregates equipment held for operating lease by asset class (in thousands):
| September 30, 2022 |  | December 31, 2021
| Gross Value |  | Accumulated Depreciation |  | Net Book Value |  | Gross Value |  | Accumulated Depreciation |  | Net Book Value
Engines and related equipment | $ | 2,461,217 |  |  | $ | (515,428) |  |  | $ | 1,945,789 |  |  | $ | 2,368,496 |  |  | $ | (515,442) |  |  | $ | 1,853,054 |
Aircraft and airframes | 135,893 |  |  | (14,202) |  |  | 121,691 |  |  | 134,370 |  |  | (7,790) |  |  | 126,580 |
Marine vessel | 13,578 |  |  | (2,283) |  |  | 11,295 |  |  | 13,470 |  |  | (1,736) |  |  | 11,734 |
| $ | 2,610,688 |  |  | $ | (531,913) |  |  | $ | 2,078,775 |  |  | $ | 2,516,336 |  |  | $ | (524,968) |  |  | $ | 1,991,368 |

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

X
- Definition Lessor, Operating Lease, Carrying Value of Assets Subject to Leases + References No definition available. + Details
Name: | wlfc_LessorOperatingLeaseCarryingValueOfAssetsSubjectToLeasesTableTextBlock
Namespace Prefix: | wlfc_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration