Discontinued Operations (Details) - USD ($) $ in Thousands		12 Months Ended
	Aug. 16, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement Disclosures
Sales and merchandising revenues		$ 116,787	$ 143,816	$ 166,938
Cost of sales and merchandising revenues		88,393	105,091	109,813
Gross profit		28,394	38,725	57,125
Operating, administrative and general expenses		12,350	21,512	27,132
Asset impairment		626	0	0
Interest expense, net		8,783	17,491	16,486
Other income (loss), net		1,020	2,885	1,583
Income from discontinued operations before income taxes		7,655	2,607	15,090
Income tax provision		3,331	651	3,906
Income from discontinued operations, net of income taxes		4,324	1,956	11,184
Current assets:
Accounts receivable, net		12,643	18,508
Inventories		6,739	7,627
Other current assets		1,503	6,524
Current assets held-for-sale		20,885	32,659
Other assets:
Rail assets leased to others, net		458	591,946
Property, plant and equipment, held for sale		17,280	18,868
Goodwill		4,167	4,167
Other intangible assets, net		24	2,855
Right of use assets, net		20,999	22,644
Other assets, net		241	2,994
Total non-current assets held-for-sale		43,169	643,474
Total assets held-for-sale		64,054	676,133
Current liabilities:
Trade and other payables		2,546	2,874
Customer prepayments and deferred revenue		0	1,934
Current maturities of long-term debt		0	6,109
Current operating lease liability		4,672	6,988
Accrued expenses and other current liabilities		6,161	7,372
Total current liabilities held-for-sale		13,379	25,277
Long-term lease liabilities		16,119	17,342
Long-term debt, less current maturities		0	30,087
Other long-term liabilities		0	667
Non-current liabilities held-for-sale		16,119	48,096
Total liabilities held-for-sale		29,498	73,373
Cash Flow Disclosures
Depreciation and amortization		21,760	35,573	34,122
Capital expenditures		(8,669)	(32,161)	(107,081)
Proceeds from sale of assets		19,150	10,077	18,090
Loss on sale of discontinued operations		1,491	0	0
Non-cash operating activities - gain on sale of railcars		(5,603)	(649)	(4,122)
Non-cash operating activities - fixed asset impairment		626	0	0
Non-cash investing activities - capital expenditures, consisting of unpaid capital expenditure liabilities at period end		$ 0	$ 491	$ 373
Rail Leasing Business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration received on sale of assets	$ 543,100
Cash Flow Disclosures
Loss on sale of discontinued operations	$ 1,500