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Intangible Assets and Goodwill (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Gross Intangible Assets Acquired |  | $ 85,000 |  |
Finite-lived Intangible Assets Acquired |  | 53,400 |  |
Indefinite-lived Intangible Assets Acquired |  | 31,600 |  |
Customer-Related Intangible Assets |  | 52,800 |  |
Customer-Related Intangible Assets, Smith Transport |  | 21,200 |  |
Customer-Related Intangible Assets, CFI |  | 31,600 |  |
Finite-Lived Intangible Assets, Amortization Expense |  | 3,700 | $ 2,400 | $ 2,400
Finite-Lived Intangible Assets, Gross | $ 94,575 | 94,575 | 41,200 |
Finite-Lived Intangible Assets, Accumulated Amortization | 22,498 | 22,498 | 18,845 |
Finite-Lived Intangible Assets, Net | 72,077 | 72,077 | 22,355 |
GOODWILL | 320,675 | 320,675 | 168,295 |
Finite-Lived Intangible Assets, Amortization Expense, Next Rolling Twelve Months | 5,800 | 5,800 |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Two | 5,500 | 5,500 |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Three | 5,500 | 5,500 |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Four | 5,500 | 5,500 |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Five | 5,500 | 5,500 |  |
Goodwill, Acquired During Period, Smith Transport | (1,800) | 40,297 |  |
Goodwill, Acquired During Period, CFI | 5,700 | 112,083 |  |
Customer Relationships [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Finite-Lived Intangible Assets, Gross | 75,836 | 75,836 | 23,000 |
Finite-Lived Intangible Assets, Accumulated Amortization | 8,441 | 8,441 | 5,842 |
Finite-Lived Intangible Assets, Net | 67,395 | 67,395 | 17,158 |
Trade Names [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Finite-Lived Intangible Assets, Gross | 12,900 | 12,900 | 12,900 |
Finite-Lived Intangible Assets, Accumulated Amortization | 9,700 | 9,700 | 9,220 |
Finite-Lived Intangible Assets, Net | 3,200 | 3,200 | 3,680 |
Noncompete Agreements [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Finite-Lived Intangible Assets, Gross | 5,839 | 5,839 | 5,300 |
Finite-Lived Intangible Assets, Accumulated Amortization | 4,357 | 4,357 | 3,783 |
Finite-Lived Intangible Assets, Net | $ 1,482 | $ 1,482 | $ 1,517 |
Minimum [Member] | Customer Relationships [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 15 years | 15 years |
Minimum [Member] | Trade Names [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 6 months | 6 months |
Minimum [Member] | Noncompete Agreements [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 1 year | 1 year |
Maximum [Member] | Customer Relationships [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 20 years | 20 years |
Maximum [Member] | Trade Names [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 10 years | 10 years |
Maximum [Member] | Noncompete Agreements [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 10 years | 10 years |

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