Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net loss	$ (15,293)	$ (1,274)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense	43,421	47,481
Write-down of equipment	21,195	4,113
Stock-based compensation expense	7,670	7,298
Amortization of deferred costs	2,667	2,377
Allowances and provisions	400	25
Gain on sale of leased equipment	(2,796)	0
Gain on sale of financial assets	(3,116)	0
Loss from joint ventures	1,147	1,204
Loss on disposal of property, equipment and furnishings	0	40
Deferred income taxes	(1,792)	(2,677)
Changes in assets and liabilities:
Receivables	(1,249)	(16,868)
Inventory	8,684	2,484
Other assets	(2,576)	(1,796)
Accounts payable and accrued expenses	(46)	9,048
Maintenance reserves	(1,266)	(9,086)
Security deposits	(81)	1,052
Unearned revenue	796	(603)
Net cash provided by operating activities	57,765	42,818
Cash flows from investing activities:
Proceeds from sale of equipment (net of selling expenses)	47,657	0
Proceeds from sale of notes receivable	40,705	0
Issuance of notes receivable	(15,270)	(42,495)
Payments received on notes receivable	2,118	5,558
Purchase of equipment held for operating lease	(81,336)	(63,791)
Purchase of property, equipment and furnishings	(2,623)	(753)
Net cash used in investing activities	(8,749)	(101,481)
Cash flows from financing activities:
Proceeds from debt obligations	59,000	395,700
Debt issuance costs	0	(4,556)
Principal payments on debt obligations	(119,685)	(175,799)
Proceeds from shares issued under stock compensation plans	165	169
Cancellation of restricted stock units in satisfaction of withholding tax	(3,496)	(4,966)
Repurchase of common stock	(5,180)	0
Preferred stock dividends	(1,621)	(1,621)
Net cash (used in) provided by financing activities	(70,817)	208,927
(Decrease) increase in cash, cash equivalents and restricted cash	(21,801)	150,264
Cash, cash equivalents and restricted cash at beginning of period	95,641	78,925
Cash, cash equivalents and restricted cash at end of period	73,840	229,189
Net cash paid for:
Interest	31,269	30,221
Income Taxes	879	1,230
Supplemental disclosures of non-cash activities:
Transfers from Equipment held for operating lease to Investment in sales-type leases	7,025	0
Transfers from Equipment held for operating lease to Spare parts inventory	1,121	488
Transfers from Equipment held for operating lease to Equipment held for sale	4,749	9,613
Transfers from Spare parts inventory to Equipment held for operating lease	0	1,555
Accrued preferred stock dividends	$ 9	$ 9