XML 67 R53.htm IDEA: XBRL DOCUMENT
v3.22.4

Note 5 - Property and Equipment - Property and Equipment, at Cost (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Property, plant, and equipment, gross | $ 619,686 | $ 518,406
Revenue Equipment [Member] |  |
Property, plant, and equipment, gross | 468,527 | 400,282
Office Equipment [Member] |  |
Property, plant, and equipment, gross | 4,470 | 4,257
Land and Land Improvements [Member] |  |
Property, plant, and equipment, gross | 11,719 | 16,341
Building and Building Improvements [Member] |  |
Property, plant, and equipment, gross | 96,550 | 72,180
Construction in Progress [Member] |  |
Property, plant, and equipment, gross | 16,077 | 866
Property, Plant and Equipment, Other Types [Member] |  |
Property, plant, and equipment, gross | $ 22,343 | $ 24,480
Minimum [Member] | Revenue Equipment [Member] |  |
Estimated useful lives (Year) | 3 years |
Minimum [Member] | Office Equipment [Member] |  |
Estimated useful lives (Year) | 5 years |
Minimum [Member] | Land and Land Improvements [Member] |  |
Estimated useful lives (Year) | 0 years |
Minimum [Member] | Building and Building Improvements [Member] |  |
Estimated useful lives (Year) | 7 years |
Minimum [Member] | Property, Plant and Equipment, Other Types [Member] |  |
Estimated useful lives (Year) | 2 years |
Maximum [Member] | Revenue Equipment [Member] |  |
Estimated useful lives (Year) | 10 years |
Maximum [Member] | Office Equipment [Member] |  |
Estimated useful lives (Year) | 10 years |
Maximum [Member] | Land and Land Improvements [Member] |  |
Estimated useful lives (Year) | 15 years |
Maximum [Member] | Building and Building Improvements [Member] |  |
Estimated useful lives (Year) | 40 years |
Maximum [Member] | Property, Plant and Equipment, Other Types [Member] |  |
Estimated useful lives (Year) | 10 years |

X
- Definition Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
Name: | us-gaap_PropertyPlantAndEquipmentGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=cvlg_RevenueEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_OfficeEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LandAndLandImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingAndBuildingImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ConstructionInProgressMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_PropertyPlantAndEquipmentOtherTypesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |