Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Accumulated depreciation for equipment held for operating lease	$ 559,588	$ 543,183
Receivables, allowances	1,688	1,511
Notes receivable, net of allowances	73	0
Investments in sales-type leases, allowance	$ 6	$ 0
Redeemable preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Redeemable preferred stock, shares authorized (in shares)	2,500,000	2,500,000
Redeemable preferred stock, shares issued (in shares)	2,500,000	2,500,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	20,000,000	20,000,000
Common stock, shares issued (in shares)	6,619,000	6,615,000
Accumulated other comprehensive income, income tax expense	$ 6,093	$ 7,587
Restricted cash	54,684	76,870
Equipment held for operating lease, less accumulated depreciation of $559,588 and $543,183 at March 31, 2023 and December 31, 2022, respectively	2,141,839	2,111,935
Maintenance rights	14,598	17,708
Other assets	85,069	87,205
Notes receivable, net of allowances of $73 and $0 at March 31, 2023 and December 31, 2022, respectively	95,971	81,439
Debt obligations	1,836,888	1,847,278
Variable Interest Entity
Restricted cash	54,684	76,870
Equipment held for operating lease, less accumulated depreciation of $559,588 and $543,183 at March 31, 2023 and December 31, 2022, respectively	1,183,337	1,167,970
Maintenance rights	6,822	5,433
Other assets	6,543	6,470
Notes receivable, net of allowances of $73 and $0 at March 31, 2023 and December 31, 2022, respectively	79,502	80,220
Debt obligations	1,093,537	1,118,721
Property, Equipment, and Furnishings
Accumulated depreciation	$ 16,810	$ 16,060