Reportable Segments (Details) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($) segment	Jun. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)
Reportable Segments
Number of reportable segments | segment				2
Number of operating segments | segment				2
Revenue:
Interest revenue		$ 3,649	$ 2,284	$ 7,583	$ 4,553
Gain on sale of leased equipment		27,582	14,428	32,019	23,629
Gain on sale of financial assets		0	0	378	0
Total revenue		195,502	151,120	353,234	270,203
Expenses:
Depreciation and amortization expense		27,550	22,167	52,574	44,653
Cost of spare parts and equipment sales		28,102	5,437	43,425	8,142
Cost of maintenance services		8,621	5,671	13,950	11,245
Write-down of equipment		11,458	0	13,567	261
General and administrative		50,429	34,687	98,149	64,268
Technical expense		7,508	4,518	13,738	12,773
Interest expense		33,569	24,562	65,663	47,565
Total finance costs		33,569	24,562	65,663	47,565
Total expenses		167,237	97,042	301,066	188,907
Income from operations		28,265	54,078	52,168	81,296
Total assets	[1]	3,946,445		3,946,445		$ 3,297,196
Operating Segments | Leasing and  Related Operations
Revenue:
Interest revenue		3,649	2,284	7,583	4,553
Gain on sale of leased equipment		27,582	14,428	32,019	23,629
Gain on sale of financial assets				378
Total revenue		186,304	145,063	327,999	260,739
Expenses:
Depreciation and amortization expense		27,538	22,148	52,543	44,616
Cost of spare parts and equipment sales		19,768	21	21,275	30
Cost of maintenance services		8,847	5,735	14,223	11,315
Write-down of equipment		11,458		13,567	261
General and administrative		49,162	34,035	95,957	62,221
Technical expense		7,512	4,596	13,746	12,879
Interest expense		33,569	24,562	65,663	47,565
Total finance costs		33,569	24,562	65,663	47,565
Total expenses		157,854	91,097	276,974	178,887
Income from operations		28,450	53,966	51,025	81,852
Total assets		3,879,760		3,879,760		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		10,464	9,780	29,286	14,417
Expenses:
Depreciation and amortization expense		12	19	31	37
Cost of spare parts and equipment sales		9,328	8,938	25,831	12,792
Cost of maintenance services		0	0	0	0
Write-down of equipment		0		0	0
General and administrative		1,267	652	2,192	2,047
Technical expense		0	0	0	0
Interest expense		0	0	0	0
Total finance costs		0	0	0	0
Total expenses		10,607	9,609	28,054	14,876
Income from operations		(143)	171	1,232	(459)
Total assets		66,685		66,685		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		(1,266)	(3,723)	(4,051)	(4,953)
Expenses:
Depreciation and amortization expense		0	0	0	0
Cost of spare parts and equipment sales		(994)	(3,522)	(3,681)	(4,680)
Cost of maintenance services		(226)	(64)	(273)	(70)
Write-down of equipment		0		0	0
General and administrative		0	0	0	0
Technical expense		(4)	(78)	(8)	(106)
Interest expense			0	0	0
Total finance costs		0	0	0	0
Total expenses		(1,224)	(3,664)	(3,962)	(4,856)
Income from operations		(42)	(59)	(89)	(97)
Total assets		0		0		$ 0
Lease rent revenue
Revenue:
Lease rent and maintenance reserve revenue		72,268	55,866	140,007	108,747
Lease rent revenue | Operating Segments | Leasing and  Related Operations
Revenue:
Lease rent and maintenance reserve revenue		72,268	55,866	140,007	108,747
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		50,743	62,897	105,602	106,767
Maintenance reserve revenue | Operating Segments | Leasing and  Related Operations
Revenue:
Lease rent and maintenance reserve revenue		50,743	62,897	105,602	106,767
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		30,354	6,186	48,594	9,474
Spare parts and equipment sales | Operating Segments | Leasing and  Related Operations
Revenue:
Other sales and revenue		21,157	209	23,455	293
Spare parts and equipment sales | Operating Segments | Spare Parts Sales
Revenue:
Other sales and revenue		10,421	9,641	29,101	14,037
Spare parts and equipment sales | Eliminations
Revenue:
Other sales and revenue		(1,224)	(3,664)	(3,962)	(4,856)
Maintenance Services
Revenue:
Other sales and revenue		8,031	6,781	13,617	12,008
Maintenance Services | Operating Segments | Leasing and  Related Operations
Revenue:
Other sales and revenue		8,031	6,781	13,617	12,008
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		2,875	2,678	5,434	5,025
Other revenue | Operating Segments | Leasing and  Related Operations
Revenue:
Other sales and revenue		2,874	2,598	5,338	4,742
Other revenue | Operating Segments | Spare Parts Sales
Revenue:
Other sales and revenue		43	139	185	380
Other revenue | Eliminations
Revenue:
Other sales and revenue		$ (42)	$ (59)	$ (89)	$ (97)

[1] Total assets at June 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 $745,268 and $123,392; Equipment $1,798,280 and $1,681,197; Maintenance rights $21,873 and $12,708; Notes receivable $133,550 and $139,853; Investments in sales-type leases $16,780 and $17,752; and Other assets $11,702 and $11,973 (each respectively).