Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities:
Net income	$ 43,781	$ 5,439
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense	90,925	88,260
Write-down of equipment	4,398	21,849
Stock-based compensation expense	14,802	13,551
Accretion of deferred costs and note discounts	6,150	5,319
Allowances and provisions	838	837
Payments received on sales-type leases	4,570	584
Gain on sale of leased equipment	(10,581)	(3,133)
Gain on insurance proceeds	(761)	0
Gain on derivative instruments	(247)	0
Gain on sale of financial assets	0	(3,116)
Gain on debt extinguishment	0	(2,558)
Income from joint ventures	(2,908)	62
Loss (gain) on disposal of property, equipment and furnishings	9	(71)
Deferred income taxes	19,652	2,065
Changes in assets and liabilities:
Receivables	(17,375)	(3,168)
Inventory	(1,710)	14,288
Other assets	3,247	(5,617)
Accounts payable and accrued expenses	17,154	942
Maintenance reserves	32,159	2,372
Security deposits	3,300	2,372
Unearned revenue	22,334	4,147
Net cash provided by operating activities	229,737	144,424
Cash flows from investing activities:
Purchase of equipment held for operating lease and for sale	(163,640)	(286,393)
Proceeds from sale of equipment (net of selling expenses)	85,061	69,238
Proceeds from sale of note receivable (net of selling expenses)	0	40,705
Issuance of notes receivable	(15,397)	(15,270)
Purchase of property, equipment and furnishings	(5,140)	(6,630)
Payments received on notes receivable	4,147	3,974
Insurance proceeds received on equipment	2,189	0
Net cash used in investing activities	(92,780)	(194,376)
Cash flows from financing activities:
Proceeds from issuance of debt obligations	625,727	284,000
Principal payments on debt obligations	(665,480)	(228,840)
Repurchase of common stock	0	(5,245)
Cancellation of restricted stock units in satisfaction of withholding tax	(5,793)	(3,655)
Preferred stock dividends	(3,241)	(3,268)
Proceeds from shares issued under stock compensation plans	274	335
Debt issuance costs	(9,431)	0
Net cash (used in) provided by financing activities	(57,944)	43,327
Increase (decrease) in cash, cash equivalents and restricted cash	79,013	(6,625)
Cash, cash equivalents and restricted cash at beginning of period	89,016	95,641
Cash, cash equivalents and restricted cash at end of period	168,029	89,016
Net cash paid for:
Interest	76,913	63,544
Income Taxes	505	2,242
Supplemental disclosures of non-cash activities:
Transfers from Equipment held for operating lease to Investments in sales-type leases	6,898	0
Transfers from Equipment held for operating lease to Equipment held for sale	1,901	7,183
Transfers from Equipment held for operating lease to Spare parts inventory	667	1,906
Transfers from Equipment held for sale to Equipment held for operating lease	0	542
Non-cash additions to Equipment held for operating lease	2,817	1,148
Accretion of preferred stock issuance costs	$ 75	$ 84