SEGMENT INFORMATION - Summary of Geographic Sources of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Segment Reporting Information [Line Items]
Total revenues	$ 830,697	$ 502,080
Africa
Segment Reporting Information [Line Items]
Total revenues	2,542	11,681
Asia
Segment Reporting Information [Line Items]
Total revenues	47,514	75,104
Europe
Segment Reporting Information [Line Items]
Total revenues	$ 248,310	$ 170,916
Ireland | Revenue Benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk (as a percent)	21.00%	19.00%
North America
Segment Reporting Information [Line Items]
Total revenues	$ 510,670	$ 225,695
United States | Revenue Benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk (as a percent)	31.00%	26.00%
Bermuda | Revenue Benchmark | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk (as a percent)	24.00%	11.00%
South America
Segment Reporting Information [Line Items]
Total revenues	$ 21,661	$ 18,684
Operating Segments | Aerospace Products
Segment Reporting Information [Line Items]
Total revenues	743,815	365,063
Operating Segments | Aerospace Products | Africa
Segment Reporting Information [Line Items]
Total revenues	0	9,482
Operating Segments | Aerospace Products | Asia
Segment Reporting Information [Line Items]
Total revenues	27,852	42,959
Operating Segments | Aerospace Products | Europe
Segment Reporting Information [Line Items]
Total revenues	218,029	96,872
Operating Segments | Aerospace Products | North America
Segment Reporting Information [Line Items]
Total revenues	482,997	207,432
Operating Segments | Aerospace Products | South America
Segment Reporting Information [Line Items]
Total revenues	14,937	8,318
Operating Segments | Aviation Leasing
Segment Reporting Information [Line Items]
Total revenues	86,882	137,013
Operating Segments | Aviation Leasing | Africa
Segment Reporting Information [Line Items]
Total revenues	2,542	2,199
Operating Segments | Aviation Leasing | Asia
Segment Reporting Information [Line Items]
Total revenues	19,662	32,141
Operating Segments | Aviation Leasing | Europe
Segment Reporting Information [Line Items]
Total revenues	30,281	74,044
Operating Segments | Aviation Leasing | North America
Segment Reporting Information [Line Items]
Total revenues	27,673	18,263
Operating Segments | Aviation Leasing | South America
Segment Reporting Information [Line Items]
Total revenues	6,724	10,366
Corporate and Other
Segment Reporting Information [Line Items]
Total revenues	0	4
Corporate and Other | Africa
Segment Reporting Information [Line Items]
Total revenues	0	0
Corporate and Other | Asia
Segment Reporting Information [Line Items]
Total revenues	0	4
Corporate and Other | Europe
Segment Reporting Information [Line Items]
Total revenues	0	0
Corporate and Other | North America
Segment Reporting Information [Line Items]
Total revenues	0	0
Corporate and Other | South America
Segment Reporting Information [Line Items]
Total revenues	$ 0	$ 0