Reportable Segments (Details) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) segment	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)
Reportable Segments
Number of reportable segments | segment				2
Number of operating segments | segment				2
Revenue:
Interest revenue		$ 3,360	$ 3,412	$ 10,943	$ 7,965
Gain on sale of leased equipment		16,134	9,519	48,153	33,148
Gain on sale of financial assets		0	0	378	0
Total revenue		183,389	146,223	536,623	416,426
Expenses:
Depreciation and amortization expense		28,662	23,650	81,236	68,303
Cost of spare parts and equipment sales		6,684	8,861	50,109	17,003
Cost of maintenance services		5,135	6,402	19,085	17,647
Write-down of equipment		10,201	605	23,768	866
General and administrative		49,190	40,037	147,339	104,305
Technical expense		8,352	5,151	22,090	17,924
Interest expense		34,177	27,813	99,840	75,378
Loss on debt extinguishment		2,963	0	2,963	0
Total finance costs		37,140	27,813	102,803	75,378
Total expenses		145,364	112,519	446,430	301,426
Income (loss) from operations		38,025	33,704	90,193	115,000
Total assets	[1]	3,421,347		3,421,347		$ 3,297,196
Operating Segments | Leasing and  Related Operations
Revenue:
Interest revenue		3,360	3,412	10,943	7,965
Gain on sale of leased equipment		16,134	9,519	48,153	33,148
Gain on sale of financial assets				378
Total revenue		178,201	136,465	506,200	397,204
Expenses:
Depreciation and amortization expense		28,653	23,632	81,196	68,248
Cost of spare parts and equipment sales		10	158	21,285	188
Cost of maintenance services		5,190	6,456	19,413	17,771
Write-down of equipment		10,201	605	23,768	866
General and administrative		48,006	38,858	143,964	101,079
Technical expense		8,352	5,151	22,097	18,030
Interest expense		34,177	27,813	99,840	75,378
Loss on debt extinguishment		(2,963)		2,963
Total finance costs		37,140	27,813	102,803	75,378
Total expenses		137,552	102,673	414,526	281,560
Income (loss) from operations		40,649	33,792	91,674	115,644
Total assets		3,362,791		3,362,791		3,219,856
Operating Segments | Spare Parts Sales
Revenue:
Interest revenue		0	0	0	0
Gain on sale of leased equipment		0	0	0	0
Gain on sale of financial assets				0
Total revenue		9,877	17,718	39,161	32,135
Expenses:
Depreciation and amortization expense		9	18	40	55
Cost of spare parts and equipment sales		11,253	16,523	37,084	29,315
Cost of maintenance services		0	0	0	0
Write-down of equipment		0	0	0	0
General and administrative		1,184	1,179	3,375	3,226
Technical expense		0	0	0	0
Interest expense		0	0	0	0
Loss on debt extinguishment		0		0
Total finance costs		0	0	0	0
Total expenses		12,446	17,720	40,499	32,596
Income (loss) from operations		(2,569)	(2)	(1,338)	(461)
Total assets		58,556		58,556		77,340
Eliminations
Revenue:
Interest revenue		0	0	0	0
Gain on sale of leased equipment		0	0	0	0
Gain on sale of financial assets				0
Total revenue		(4,689)	(7,960)	(8,738)	(12,913)
Expenses:
Depreciation and amortization expense		0	0	0	0
Cost of spare parts and equipment sales		(4,579)	(7,820)	(8,260)	(12,500)
Cost of maintenance services		(55)	(54)	(328)	(124)
Write-down of equipment		0	0	0	0
General and administrative		0	0	0	0
Technical expense		0	0	(7)	(106)
Interest expense		0	0	0	0
Loss on debt extinguishment		0		0
Total finance costs		0	0	0	0
Total expenses		(4,634)	(7,874)	(8,595)	(12,730)
Income (loss) from operations		(55)	(86)	(143)	(183)
Total assets		0		0		$ 0
Lease rent revenue
Revenue:
Lease rent and maintenance reserve revenue		76,552	64,905	216,559	173,652
Lease rent revenue | Operating Segments | Leasing and  Related Operations
Revenue:
Lease rent and maintenance reserve revenue		76,552	64,905	216,559	173,652
Lease rent revenue | Operating Segments | Spare Parts Sales
Revenue:
Lease rent and maintenance reserve revenue		0	0	0	0
Lease rent revenue | Eliminations
Revenue:
Lease rent and maintenance reserve revenue		0	0	0	0
Maintenance reserve revenue
Revenue:
Lease rent and maintenance reserve revenue		76,054	49,760	181,656	156,527
Maintenance reserve revenue | Operating Segments | Leasing and  Related Operations
Revenue:
Lease rent and maintenance reserve revenue		76,054	49,760	181,656	156,527
Maintenance reserve revenue | Operating Segments | Spare Parts Sales
Revenue:
Lease rent and maintenance reserve revenue		0	0	0	0
Maintenance reserve revenue | Eliminations
Revenue:
Lease rent and maintenance reserve revenue		0	0	0	0
Spare parts and equipment sales
Revenue:
Other sales and revenue		5,394	10,863	53,988	20,337
Spare parts and equipment sales | Operating Segments | Leasing and  Related Operations
Revenue:
Other sales and revenue		121	1,227	23,576	1,520
Spare parts and equipment sales | Operating Segments | Spare Parts Sales
Revenue:
Other sales and revenue		9,907	17,510	39,007	31,547
Spare parts and equipment sales | Eliminations
Revenue:
Other sales and revenue		(4,634)	(7,874)	(8,595)	(12,730)
Maintenance Services
Revenue:
Other sales and revenue		3,636	5,948	17,253	17,956
Maintenance Services | Operating Segments | Leasing and  Related Operations
Revenue:
Other sales and revenue		3,636	5,948	17,253	17,956
Maintenance Services | Operating Segments | Spare Parts Sales
Revenue:
Other sales and revenue		0	0	0	0
Maintenance Services | Eliminations
Revenue:
Other sales and revenue		0	0	0	0
Other revenue
Revenue:
Other sales and revenue		2,259	1,816	7,693	6,841
Other revenue | Operating Segments | Leasing and  Related Operations
Revenue:
Other sales and revenue		2,344	1,694	7,682	6,436
Other revenue | Operating Segments | Spare Parts Sales
Revenue:
Other sales and revenue		(30)	208	154	588
Other revenue | Eliminations
Revenue:
Other sales and revenue		$ (55)	$ (86)	$ (143)	$ (183)

[1] Total assets at September 30, 2025 and December 31, 2024, include the following assets of variable interest entities (“VIEs”) that can only be used to settle the liabilities of the VIEs: Restricted cash $158,082 and $123,392; Equipment $1,794,606 and $1,681,197; Maintenance rights $19,874 and $12,708; Notes receivable $107,683 and $139,853; Investments in sales-type leases $16,281 and $17,752; and Other assets $11,630 and $11,973 (each respectively).