Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Aug. 16, 2021
Income Statement Disclosures
Sales and merchandising revenues	$ 13,115	$ 41,010
Cost of sales and merchandising revenues	11,071	31,739
Gross profit	2,044	9,271
Operating, administrative and general expenses	1,379	2,874
Interest expense, net	0	3,180
Other income, net:	73	1,674
Income from discontinued operations before income taxes	738	4,891
Income tax provision	1,292	1,384
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	(554)	3,507
Current assets:
Accounts receivable, net	11,424	22,607	$ 12,643
Inventories	7,119	7,424	6,739
Other current assets	1,712	7,105	1,503
Current assets held-for-sale	20,255	37,136	20,885
Other assets:
Rail assets leased to others, net	3,574	580,599	458
Property, plant and equipment, net	17,375	18,319	17,280
Goodwill	4,167	4,167	4,167
Other intangible assets, net	0	2,412	24
Right of use assets, net	19,918	20,836	20,999
Other assets, net	230	2,895	241
Total non-current assets held-for-sale	45,264	629,228	43,169
Total assets held-for-sale	65,519	666,364	64,054
Current liabilities:
Trade and other payables	2,864	4,031	2,546
Customer prepayments and deferred revenue	0	2,239	0
Current maturities of long-term debt	0	7,113	0
Current operating lease liabilities	4,235	6,561	4,672
Accrued expenses and other current liabilities	3,101	6,418	6,161
Total current liabilities held-for-sale	10,200	26,362	13,379
Long-term lease liabilities	14,738	16,035	16,119
Long-term debt, less current maturities	0	29,137	0
Non-current liabilities held-for-sale	14,738	45,172	16,119
Total liabilities held-for-sale	24,938	71,534	$ 29,498
Cash Flow Disclosures
Depreciation and amortization	0	8,887
Capital expenditures	(3,284)	(2,913)
Proceeds from sale of assets	248	5,383
Non-cash operating activities - Gain on sale of railcars	0	(2,717)
Non-cash investing activities - capital expenditures, consisting of unpaid capital expenditure liabilities at period end	$ 0	$ (110)
Rail Leasing Business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration on sell of assets				$ 543,100