Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities:
Net income		$ 77,246	$ 63,455
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense		52,574	44,653
Gain on sale of business		(42,950)	0
Gain on sale of leased equipment		(32,019)	(23,629)
Stock-based compensation expense		23,658	7,962
Write-down of equipment		13,567	261
Payments received on sales-type leases		5,210	27,453
Accretion of deferred costs and note discounts		5,033	4,925
Income from joint ventures		(4,433)	(6,499)
Amortization of contract asset		1,497	258
Gain on sale of financial assets		(378)	0
Allowances and provisions		(169)	(45)
Loss on disposal of property, equipment and furnishings		45	0
Gain on insurance proceeds		0	(73)
Deferred income taxes		20,733	23,090
Changes in assets and liabilities:
Receivables		(828)	4,491
Inventory		8,852	(40,734)
Other assets		890	649
Accounts payable and accrued expenses		(1,325)	8,831
Maintenance reserves		21,315	13,157
Security deposits		280	5,146
Unearned revenue		(3,607)	(3,698)
Net cash provided by operating activities		145,191	129,653
Cash flows from investing activities:
Purchase of equipment held for operating lease and for sale		(154,944)	(321,577)
Proceeds from sale of equipment (net of selling expenses)		141,949	69,967
Proceeds from sale of business (net of cash and cash equivalents sold with business)		21,055	0
Purchase of property, equipment and furnishings		(17,117)	(1,707)
Payments received on notes receivable		8,580	3,773
Contributions to joint ventures		(1,770)	0
Issuance of notes receivable		0	(26,699)
Insurance proceeds received on property, equipment and furnishings		0	1,235
Net cash used in investing activities		(2,247)	(275,008)
Cash flows from financing activities:
Proceeds from debt obligations		851,051	357,229
Principal payments on debt obligations		(309,641)	(211,331)
Cancellation of restricted stock units in satisfaction of withholding tax		(18,714)	(6,119)
Debt issuance costs		(9,017)	(5,757)
Common stock cash dividends paid		(3,749)	(7,139)
Preferred stock dividends		(2,973)	(1,820)
Proceeds from shares issued under stock compensation plans		132	176
Net cash provided by financing activities		507,089	125,239
Increase (decrease) in cash, cash equivalents and restricted cash		650,033	(20,116)
Cash, cash equivalents and restricted cash at beginning of period		132,502	168,029
Cash, cash equivalents and restricted cash at end of period		782,535	147,913
Net cash paid for:
Interest		63,055	47,160
Income Taxes		3,429	5,779
Supplemental disclosures of non-cash activities:
Transfers from Equipment held for operating lease to Equipment held for sale		24,436	12,874
Contributions to joint ventures		22,500	0
Proceeds from sale of business		22,500	0
Transfer from Notes receivable to Equipment held for operating lease		1,863	0
Transfers from Equipment held for sale to Equipment held for operating lease		1,381	0
Transfers from Notes receivable to Equipment held for sale		1,374	0
Transfers from Equipment held for operating lease to Spare parts inventory		311	225
Transfers from Equipment held for operating lease to Investments in sales-type leases		0	24,870
Non-cash additions to Equipment held for operating lease	[1]	4,631	4,351
Accretion of preferred stock issuance costs		$ 139	$ 24

[1] During the six months ended June 30, 2025, the Company engaged in an exchange transaction with a third party in which the Company sold aircraft engines in exchange for aircraft engines. This transaction was accounted for under Accounting Standards Codification (“ASC”) 805 and ASC 845 and resulted in $4.6 million in non-cash additions to equipment held for operating lease for the associated total gain. During the six months ended June 30, 2024, the Company engaged in exchange transactions involving monetary consideration with third parties in which the Company sold aircraft engines in exchange for the purchase of aircraft engines. These transactions were accounted for under ASC 805 and ASC 845 and resulted in a total of $4.4 million in non-cash additions to equipment held for operating lease for the associated total gain.