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Significant Accounting Policies Property, Equipment and Depreciation (Details) | 12 Months Ended
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Dec. 31, 2023 USD ($)
Property, Plant and Equipment |
Amortization Period of Tires | two years
Tractors [Member] |
Property, Plant and Equipment |
Property, Plant, and Equipment, Salvage Value | $ 15,000
Trailers [Member] |
Property, Plant and Equipment |
Property, Plant, and Equipment, Salvage Value | $ 4,000
Minimum [Member] | Land Improvements and Buildings [Member] |
Property, Plant and Equipment |
Property, Plant and Equipment, Useful Life | 5 years
Minimum [Member] | Furniture and Fixtures [Member] |
Property, Plant and Equipment |
Property, Plant and Equipment, Useful Life | 3 years
Minimum [Member] | Shop and Service Equipment [Member] |
Property, Plant and Equipment |
Property, Plant and Equipment, Useful Life | 3 years
Minimum [Member] | Revenue Equipment [Member] |
Property, Plant and Equipment |
Property, Plant and Equipment, Useful Life | 5 years
Maximum [Member] | Land Improvements and Buildings [Member] |
Property, Plant and Equipment |
Property, Plant and Equipment, Useful Life | 30 years
Maximum [Member] | Furniture and Fixtures [Member] |
Property, Plant and Equipment |
Property, Plant and Equipment, Useful Life | 5 years
Maximum [Member] | Shop and Service Equipment [Member] |
Property, Plant and Equipment |
Property, Plant and Equipment, Useful Life | 10 years
Maximum [Member] | Revenue Equipment [Member] |
Property, Plant and Equipment |
Property, Plant and Equipment, Useful Life | 7 years

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- Definition Amortization Period of Tires + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The estimated or actual value of the asset at the end of its useful life or when it is no longer serviceable (cannot be used for its original purpose). + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
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Namespace Prefix: |
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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- Details
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Namespace Prefix: |
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Period Type: |