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Leased Railcars (Narrative) (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2020 | Dec. 31, 2020 | Dec. 31, 2019
Leases [Line Items] |  |  |
Railcars Available for Lease, net |  | $ 20,933 | $ 38,900
Railcars Available for Lease, cost |  | 24,054 | 43,045
Railcars Available for Lease, accumulated depreciation |  | $ 3,121 | 4,145
Lease term |  | 5 years 6 months |
Depreciation Expense on Leased Railcars |  | $ 1,015 | $ 1,365
Non-cash impairment charges | $ 8,978 |  |
Impairment Of Leased Railcars |  | 18,951 |
Impairment and loss on right of use asset | $ 17,540 | $ 17,540 |
Lessee, Operating Lease, Discount Rate |  | 11.30% |
Asset Impairment Charges |  | $ 18,951 |
Small Cube Covered Hopper Railcars [Member] |  |  |
Leases [Line Items] |  |  |
Impairment and loss on right of use asset |  | 1,999 |
Manufacturing [Member] |  |  |
Leases [Line Items] |  |  |
Assets, fair value |  | 13,175 |
Impairment Of Leased Railcars |  | 16,952 |
Manufacturing [Member] | Valuation, Cost Approach [Member] |  |  |
Leases [Line Items] |  |  |
Railcars Available for Lease, net |  | $ 30,127 |
Fair Value, Inputs, Level 3 [Member] |  |  |
Leases [Line Items] |  |  |
Railcars Availble For Lease, Remaining Useful Life |  | 37 years |
Lessee, Operating Lease, Discount Rate |  | 5.80% |

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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228 + Details
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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2611-110228 + Details
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