Note 7 - Supplemental Cash Flow Information (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended
May 30, 2014
Supplemental Cash Flow Elements [Abstract]
Repayments of Debt, Non-cash Capital Contribution	$ 336.8

The repayment of debt using non-cash capital contribution.

No definition available.

Name:	cveo_RepaymentsOfDebtNonCashCapitalContribution
Namespace Prefix:	cveo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration