Revenue from Contracts with Customers - Schedule of Disaggregation of Revenue by Major Source (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenue from Contracts with Customers
Interest revenue	$ 2,106	$ 1,811	$ 6,409	$ 5,790
Gain on sale of leased equipment	773	920	5,101	3,716
Gain on sale of financial assets	0	0	0	3,116
Total revenue	105,745	76,891	304,275	223,783
Lease rent revenue
Revenue from Contracts with Customers
Lease rent and maintenance reserve revenue	53,573	39,515	161,209	114,344
Maintenance reserve revenue
Revenue from Contracts with Customers
Lease rent and maintenance reserve revenue	37,696	20,438	96,609	59,517
Spare parts and equipment sales
Revenue from Contracts with Customers
Other sales and revenue	3,359	6,966	12,961	20,388
Managed services
Revenue from Contracts with Customers
Other sales and revenue	7,623	6,400	19,863	15,831
Other revenue
Revenue from Contracts with Customers
Other sales and revenue	615	841	2,123	1,081
Operating Segments \| Leasing and Related Operations
Revenue from Contracts with Customers
Interest revenue	2,106	1,811	6,409	5,790
Gain on sale of leased equipment	773	920	5,101	3,716
Gain on sale of financial assets			0	3,116
Total revenue	102,433	70,162	291,447	203,736
Operating Segments \| Leasing and Related Operations \| Lease rent revenue
Revenue from Contracts with Customers
Lease rent and maintenance reserve revenue	53,573	39,515	161,209	114,344
Operating Segments \| Leasing and Related Operations \| Maintenance reserve revenue
Revenue from Contracts with Customers
Lease rent and maintenance reserve revenue	37,696	20,438	96,609	59,517
Operating Segments \| Leasing and Related Operations \| Spare parts and equipment sales
Revenue from Contracts with Customers
Other sales and revenue	111	520	420	771
Operating Segments \| Leasing and Related Operations \| Managed services
Revenue from Contracts with Customers
Other sales and revenue	7,623	6,400	19,863	15,831
Operating Segments \| Leasing and Related Operations \| Other revenue
Revenue from Contracts with Customers
Other sales and revenue	551	558	1,836	651
Operating Segments \| Spare Parts Sales
Revenue from Contracts with Customers
Interest revenue	0	0	0	0
Gain on sale of leased equipment	0	0	0	0
Gain on sale of financial assets			0	0
Total revenue	3,367	6,761	12,987	20,166
Operating Segments \| Spare Parts Sales \| Lease rent revenue
Revenue from Contracts with Customers
Lease rent and maintenance reserve revenue	0	0	0	0
Operating Segments \| Spare Parts Sales \| Maintenance reserve revenue
Revenue from Contracts with Customers
Lease rent and maintenance reserve revenue	0	0	0	0
Operating Segments \| Spare Parts Sales \| Spare parts and equipment sales
Revenue from Contracts with Customers
Other sales and revenue	3,248	6,446	12,541	19,617
Operating Segments \| Spare Parts Sales \| Managed services
Revenue from Contracts with Customers
Other sales and revenue	0	0	0	0
Operating Segments \| Spare Parts Sales \| Other revenue
Revenue from Contracts with Customers
Other sales and revenue	119	315	446	549
Eliminations
Revenue from Contracts with Customers
Interest revenue	0	0	0	0
Gain on sale of leased equipment	0	0	0	0
Gain on sale of financial assets			0	0
Total revenue	(55)	(32)	(159)	(119)
Eliminations \| Lease rent revenue
Revenue from Contracts with Customers
Lease rent and maintenance reserve revenue	0	0	0	0
Eliminations \| Maintenance reserve revenue
Revenue from Contracts with Customers
Lease rent and maintenance reserve revenue	0	0	0	0
Eliminations \| Spare parts and equipment sales
Revenue from Contracts with Customers
Other sales and revenue	0	0	0	0
Eliminations \| Managed services
Revenue from Contracts with Customers
Other sales and revenue	0	0	0	0
Eliminations \| Other revenue
Revenue from Contracts with Customers
Other sales and revenue	$ (55)	$ (32)	$ (159)	$ (119)

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.

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