XML 93 R19.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Note 11 - Accumulated Other Comprehensive Income | 6 Months Ended
--- | ---
Jun. 30, 2013
Accumulated Other Comprehensive Income [Abstract] |
Accumulated Other Comprehensive Income [Text Block] | Note 11. Accumulated Other Comprehensive Income AOCI is comprised of net income and other adjustments, including changes in the fair value of certain derivative financial instruments qualifying as cash flow hedges. The following table summarizes the change in the components of our AOCI balance for the periods presented (in thousands; presented net of tax):
Details about AOCI Components |  | Amount Reclassified from AOCI for the three months ended June 30, 2013 |  |  | Amount Reclassified from AOCI for the six months ended June 30, 2013 |  | Affected Line Item in the Statement of Operations
Gains/(losses)on cash flow hedges |  |  |  |  |  |  |  |  |
Commodity derivative contracts |  | $ | 282 |  |  | $ | 1 |  | Fuel expense
|  |  | 174 |  |  |  | 0 |  | Income tax expense
|  | $ | 108 |  |  | $ | 1 |  | Net of tax

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | cvti_AccumulatedOtherComprehensiveIncomeTextBlock
Namespace Prefix: | cvti_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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