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Note 6 - Goodwill, Other Intangibles, and Other Assets - Intangible Assets (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Finite-Lived Intangible Assets, Gross | $ 32,600 | $ 32,600
Finite-Lived Intangible Assets, Accumulated Amortization | (12,125) | (8,082)
Finite-Lived Intangible Assets, Net | $ 20,475 | $ 24,518
Finite-Lived Intangible Asset, Useful Life (Month) | 102 months | 105 months
Trade Names [Member] |  |
Finite-Lived Intangible Assets, Gross | $ 4,400 | $ 4,400
Finite-Lived Intangible Assets, Accumulated Amortization | (3,900) | (2,206)
Finite-Lived Intangible Assets, Net | 500 | $ 2,194
Finite-Lived Intangible Asset, Useful Life (Month) |  | 9 months
Trade Names [Member] | Dedicated [Member] |  |
Finite-Lived Intangible Assets, Gross | 2,402 | $ 2,402
Finite-Lived Intangible Assets, Accumulated Amortization | (2,130) | (1,204)
Finite-Lived Intangible Assets, Net | 272 | 1,198
Trade Names [Member] | Managed Freight [Member] |  |
Finite-Lived Intangible Assets, Gross | 999 | 999
Finite-Lived Intangible Assets, Accumulated Amortization | (885) | (501)
Finite-Lived Intangible Assets, Net | 114 | 498
Trade Names [Member] | Warehousing [Member] |  |
Finite-Lived Intangible Assets, Gross | 999 | 999
Finite-Lived Intangible Assets, Accumulated Amortization | (885) | (501)
Finite-Lived Intangible Assets, Net | 114 | 498
Customer Relationships [Member] |  |
Finite-Lived Intangible Assets, Gross | 28,200 | 28,200
Finite-Lived Intangible Assets, Accumulated Amortization | (8,225) | (5,876)
Finite-Lived Intangible Assets, Net | $ 19,975 | $ 22,324
Finite-Lived Intangible Asset, Useful Life (Month) | 102 months | 114 months
Customer Relationships [Member] | Dedicated [Member] |  |
Finite-Lived Intangible Assets, Gross | $ 14,072 | $ 14,072
Finite-Lived Intangible Assets, Accumulated Amortization | (4,104) | (2,931)
Finite-Lived Intangible Assets, Net | 9,968 | 11,141
Customer Relationships [Member] | Managed Freight [Member] |  |
Finite-Lived Intangible Assets, Gross | 1,692 | 1,692
Finite-Lived Intangible Assets, Accumulated Amortization | (494) | (354)
Finite-Lived Intangible Assets, Net | 1,198 | 1,338
Customer Relationships [Member] | Warehousing [Member] |  |
Finite-Lived Intangible Assets, Gross | 12,436 | 12,436
Finite-Lived Intangible Assets, Accumulated Amortization | (3,627) | (2,591)
Finite-Lived Intangible Assets, Net | $ 8,809 | $ 9,845

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 926 -SubTopic 20 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=120154696&loc=d3e54445-107959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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