CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2020		Dec. 31, 2019		Dec. 31, 2018
Cash flows from operating activities
Net income		$ 27,733		$ 31,011		$ 78,596
Loss from discontinued operations, net of income taxes		(52,709)		(24,336)		(3,121)
Income from continuing operations		80,442		55,347		81,717
Adjustments to reconcile income from continuing operations to net cash provided by operating activities:
Depreciation		110,650		112,127		107,168
Amortization and write-off of debt issuance costs		9,440		3,921		3,650
Stock-based compensation expense		1,775		2,582		2,426
Unrealized (gain) loss on foreign exchange		(790)		16		436
Gain on sale of rental equipment		(10,204)		(4,402)		(9,886)
Deferred income taxes		1,369		4,208		4,499
Bad debt (recovery) expense		(6,262)		5,613		244
Changes in other operating assets and liabilities:
Accounts receivable		10,999		3,065		(11,708)
Prepaid expenses and other assets		(1,781)		(2,067)		(944)
Net investment in finance leases		74,444		65,688
Accounts payable, accrued expenses and other liabilities		348		6,633		(2,089)
Unearned revenue		(540)		5		(174)
Net cash provided by operating activities of continuing operations		269,890		252,736		175,339
Net cash provided by operating activities of discontinued operations		7,126		1,261		4,431
Net cash provided by operating activities		277,016		253,997		179,770
Cash flows from investing activities
Purchase of rental equipment		(218,985)		(316,857)		(739,944)
Purchase of financing receivable		(30,846)		(37,139)
Proceeds from sale of rental equipment		101,297		81,692		65,602
Receipt of principal payments from financing receivable		6,368		2,720
Purchase of furniture, fixtures and equipment		(465)		(1,954)		(60)
Receipt of principal payments from finance leases						43,352
Net cash provided by investing activities of continuing operations		(142,631)		(271,538)		(631,050)
Net cash provided by (used in) investing activities of discontinued operations		108,663		123,093		(32,293)
Net cash provided by investing activities		(33,968)		(148,445)		(663,343)
Cash flows from financing activities
Proceeds from debt		1,186,537		705,045		1,605,564
Principal payments on debt		(1,349,918)		(631,875)		(1,143,908)
Debt issuance costs		(9,077)		(839)		(3,861)
Proceeds from issuance of common and preferred stock		163				103,433
Repurchase of common stock		(7,946)		(34,118)		(40,869)
Dividends paid to common stockholders		(8,877)
Dividends paid to preferred stockholders		(8,829)		(8,829)		(3,260)
Exercise of stock options		4,000		1,285		24
Net cash (used in) provided by financing activities of continuing operations		(193,947)		30,669		517,123
Net cash used in financing activities of discontinued operations		(55,935)		(139,148)		(4,773)
Net cash (used in) provided by financing activities		(249,882)		(108,479)		512,350
Effect on cash of foreign currency translation		97		183		(3)
Net (decrease) increase in cash and restricted cash		(6,737)		(2,744)		28,774
Cash and restricted cash at beginning of the period	[1]	73,239	[2]	75,983	[2]	47,209
Cash and restricted cash at end of the period	[2]	66,502		73,239	[1]	75,983	[1]
Cash paid during the period for:
Income taxes		461		871		651
Interest		62,298		84,767		71,286
Lease liabilities arising from obtaining right-of-use assets		140		5,306
Supplemental disclosure of non-cash investing and financing activity
Transfer of rental equipment to finance lease		138,243		110,766		316,697
Transfer of finance lease to rental equipment		1,770		21,179
Repayment of debt from proceeds of railcar sale made directly by the purchaser		137,500
Rental equipment payable		$ 100,509		$ 25,137		$ 74,139

[1] Includes cash of $19,870, $20,104, and $14,735, cash held by variable interest entities of $26,594, $25,211, and $20,685, and restricted cash of $26,775, $30,668, and $11,789 at December 31, 2019, 2018, and 2017, respectively.

[2] Includes cash of $26,691, $19,870, and $20,104, cash held by variable interest entities of $26,856, $26,594, and $25,211, and restricted cash of $12,955, $26,775, and $30,668 at December 31, 2020, 2019, and 2018, respectively.