SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended	15 Months Ended
	Mar. 31, 2026 USD ($) aircraft $ / shares	Mar. 31, 2025 USD ($) aircraft $ / shares	Dec. 31, 2025 USD ($)	Mar. 31, 2026 USD ($) aircraft
Accounting Policies [Line Items]
Insurance recoveries	$ 44,595	$ 30,125
Allowance for doubtful accounts	28,400		$ 28,400	$ 28,400
Provision for credit losses	$ 0	$ 200
Common stock dividends declared (in dollars per share) | $ / shares	$ 0.45	$ 0.30
Series C Preferred Stock
Accounting Policies [Line Items]
Preferred stock dividends declared (in dollars per share) | $ / shares	0.52
Series D Preferred Stock
Accounting Policies [Line Items]
Preferred stock dividends declared (in dollars per share) | $ / shares	$ 0.59
Customer Concentration Risk | Sales Revenue, Segment | Customer One | Aerospace Products
Accounting Policies [Line Items]
Concentration risk (as a percent)	28.00%	19.00%
Customer Concentration Risk | Sales Revenue, Segment | Customer Two | Aerospace Products
Accounting Policies [Line Items]
Concentration risk (as a percent)	17.00%
Customer Concentration Risk | Sales Revenue, Segment | Customer Three | Aerospace Products
Accounting Policies [Line Items]
Concentration risk (as a percent)	10.00%
Customer Concentration Risk | Accounts Receivable | Customer One | Aerospace Products
Accounting Policies [Line Items]
Concentration risk (as a percent)	21.00%		23.00%
Equity Method Investee
Accounting Policies [Line Items]
Number of aircrafts sold | aircraft	9	4		55
Gain on sale to the 2025 Partnership	$ 15,168	$ 10,870
Equity Method Investee | Held for sale
Accounting Policies [Line Items]
Number of aircrafts | aircraft	5			5