Subsequent Events (Details) - Subsequent Event	Oct. 31, 2023 USD ($) airframe engine	Oct. 23, 2023 USD ($) engine
Subsequent Event [Line Items]
Number of aircraft engines in portfolio \| engine	51
Number of airframes in portfolio \| airframe	4
Number of engines in lease portfolio \| engine		8
Estimated loss		$ 5,900,000
Revolving credit facility
Subsequent Event [Line Items]
Line of credit facility, maximum borrowing capacity	$ 500,000,000
WEST VI Notes \| WEST VI
Subsequent Event [Line Items]
Fixed rate notes	$ 410,000,000

Face (par) amount of debt instrument at time of issuance.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of profit (loss) recognized at commencement from sales-type lease.

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Number Of Aircraft Engines In Portfolio

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Number Of Engines To Be Sold

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