XML 50 R37.htm IDEA: XBRL DOCUMENT v3.19.2

Note 8 - Leases (Details Textual) $ in Millions	Jun. 30, 2019 USD ($)
Operating Lease, Right-of-Use Asset	$ 38.0
Finance Lease, Right-of-Use Asset	55.1
Lessee, Operating Lease, Lease Not yet Commenced, Lease Payments	$ 0.1

X

- Definition

Amount of lessee's operating lease payments for lease not yet commenced.

+ References

No definition available.

+ Details

Name:	cvti_LesseeOperatingLeaseLeaseNotYetCommencedLeasePayments
Namespace Prefix:	cvti_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of lessee's right to use underlying asset under finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

+ Details

Name:	us-gaap_FinanceLeaseRightOfUseAsset
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

+ Details

Name:	us-gaap_OperatingLeaseRightOfUseAsset
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant