INTEREST AND OTHER INCOME (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Sep. 30, 2013
INTEREST AND OTHER INCOME
Gain on change of practice regarding recognition of post-production costs	$ 5.3

Represents the amount of non-recurring gain on change of practice regarding recognition of post-production cost.

No definition available.

Name:	wres_InterestAndOtherIncomeGainOnChangeOfPracticeRegardingPostProductionCosts
Namespace Prefix:	wres_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration