Equipment Held for Operating Lease - Additional Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) region	Dec. 31, 2022 USD ($)	Dec. 31, 2023 engine	Dec. 31, 2023 aircraft	Dec. 31, 2023 marine_vessel	Dec. 31, 2022 engine	Dec. 31, 2022 aircraft	Dec. 31, 2022 marine_vessel
Lessor, Lease, Description [Line Items]
Equipment held for operating lease	$ 2,112,837	$ 2,111,935
Notes receivable, net of allowances of $69 and $0 at December 31, 2023 and 2022, respectively	92,621	81,439
Maintenance rights	9,180	17,708
Investments in sales-type leases, net of allowances of $9 and $0 at December 31, 2023 and 2022, respectively	8,800
Number of equipment pieces held for lease			337	12	1	339	13	1
Interest income	$ 8,721	7,579
Number of geographic regions in which aircraft lessees are domiciled in | region	7
Investments in sales-type leases, net of allowances of $9 and $0 at December 31, 2023 and 2022, respectively	$ 8,759	$ 6,440
Notes Receivable | Minimum
Lessor, Lease, Description [Line Items]
Note receivable, effective interest rate	7.10%	7.10%
Notes Receivable | Maximum
Lessor, Lease, Description [Line Items]
Note receivable, effective interest rate	12.20%	12.20%