SEGMENT INFORMATION - Summary of Geographic Sources of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Revenue	$ 2,507,409	$ 1,734,901	$ 1,170,896
Africa
Segment Reporting Information [Line Items]
Revenue	92,169	12,914	1,697
Asia
Segment Reporting Information [Line Items]
Revenue	435,073	340,474	153,984
Europe
Segment Reporting Information [Line Items]
Revenue	659,452	688,711	364,494
North America
Segment Reporting Information [Line Items]
Revenue	1,245,157	613,362	587,054
South America
Segment Reporting Information [Line Items]
Revenue	$ 75,558	$ 79,440	$ 63,667
US | Revenue Benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk percentage	34.00%	31.00%	47.00%
Ireland | Revenue Benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk percentage	11.00%	16.00%
Operating Segments | Aerospace Products
Segment Reporting Information [Line Items]
Revenue	$ 1,936,244	$ 1,079,821	$ 454,970
Operating Segments | Aerospace Products | Africa
Segment Reporting Information [Line Items]
Revenue	71,452	8,271	875
Operating Segments | Aerospace Products | Asia
Segment Reporting Information [Line Items]
Revenue	274,618	178,252	18,364
Operating Segments | Aerospace Products | Europe
Segment Reporting Information [Line Items]
Revenue	415,145	364,384	120,439
Operating Segments | Aerospace Products | North America
Segment Reporting Information [Line Items]
Revenue	1,132,995	504,936	301,633
Operating Segments | Aerospace Products | South America
Segment Reporting Information [Line Items]
Revenue	42,034	23,978	13,659
Operating Segments | Aviation Leasing
Segment Reporting Information [Line Items]
Revenue	571,161	628,437	681,611
Operating Segments | Aviation Leasing | Africa
Segment Reporting Information [Line Items]
Revenue	20,717	4,643	822
Operating Segments | Aviation Leasing | Asia
Segment Reporting Information [Line Items]
Revenue	160,451	135,579	101,305
Operating Segments | Aviation Leasing | Europe
Segment Reporting Information [Line Items]
Revenue	244,307	324,327	244,055
Operating Segments | Aviation Leasing | North America
Segment Reporting Information [Line Items]
Revenue	112,162	108,426	285,421
Operating Segments | Aviation Leasing | South America
Segment Reporting Information [Line Items]
Revenue	33,524	55,462	50,008
Corporate and Other
Segment Reporting Information [Line Items]
Revenue	4	26,643	34,315
Corporate and Other | Africa
Segment Reporting Information [Line Items]
Revenue	0	0	0
Corporate and Other | Asia
Segment Reporting Information [Line Items]
Revenue	4	26,643	34,315
Corporate and Other | Europe
Segment Reporting Information [Line Items]
Revenue	0	0	0
Corporate and Other | North America
Segment Reporting Information [Line Items]
Revenue	0	0	0
Corporate and Other | South America
Segment Reporting Information [Line Items]
Revenue	$ 0	$ 0	$ 0