XML 58 R72.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Note 15 - Commitments and Contingent Liabilities (Details) (USD $) In Millions, unless otherwise specified | 0 Months Ended | 1 Months Ended |  |
--- | --- | --- | --- | ---
Aug. 26, 2014 | Sep. 30, 2014 | Dec. 31, 2014 | Dec. 31, 2013
Note 15 - Commitments and Contingent Liabilities (Details) [Line Items] |  |  |  |
Letters of Credit Outstanding, Amount |  |  | $ 34.3 us-gaap_LettersOfCreditOutstandingAmount | $ 39.0 us-gaap_LettersOfCreditOutstandingAmount
Self Insurance Reserve |  |  | 1.0 us-gaap_SelfInsuranceReserve |
Revenue Equipment [Member] |  |  |  |
Note 15 - Commitments and Contingent Liabilities (Details) [Line Items] |  |  |  |
Purchase Commitment, Remaining Minimum Amount Committed |  |  | 116.8 us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted / us-gaap_PropertyPlantAndEquipmentByTypeAxis = cvti_RevenueEquipmentMember | 0.2 us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted / us-gaap_PropertyPlantAndEquipmentByTypeAxis = cvti_RevenueEquipmentMember
Cargo Claim [Member] |  |  |  |
Note 15 - Commitments and Contingent Liabilities (Details) [Line Items] |  |  |  |
Litigation Settlement, Amount | (5.9)us-gaap_LitigationSettlementAmount / us-gaap_LitigationCaseAxis = cvti_CargoClaimMember |  |  |
Increase (Decrease) in Loss and Loss Adjustment Expense Reserve | $ 7.5 us-gaap_IncreaseDecreaseInLossAndLossAdjustmentExpenseReserve / us-gaap_LitigationCaseAxis = cvti_CargoClaimMember | $ 8.1 us-gaap_IncreaseDecreaseInLossAndLossAdjustmentExpenseReserve / us-gaap_LitigationCaseAxis = cvti_CargoClaimMember |  |

X
- Details
Name: | cvti_Note15CommitmentsandContingentLiabilitiesDetailsLineItems
Namespace Prefix: | cvti_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The increase (decrease) during the reporting period in the reserve account established to account for expected but unspecified losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
Name: | us-gaap_IncreaseDecreaseInLossAndLossAdjustmentExpenseReserve
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of judgment or settlement awarded to (against) the entity in respect of litigation. + References No definition available. + Details
Name: | us-gaap_LitigationSettlementAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.25) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 25 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 17 -Article 9 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.17) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.(a)(19)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying amount (including both current and noncurrent portions) of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_SelfInsuranceReserve
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_LitigationCaseAxis=cvti_CargoClaimMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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