Quarterly report pursuant to Section 13 or 15(d)

Other Assets (Schedule Of Other Assets) (Details)

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Other Assets (Schedule Of Other Assets) (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Other Assets, Noncurrent Disclosure [Abstract]    
Plugging and abandonment escrow account on the WCBB properties (Note 10) $ 3,081 $ 3,089
Certificates of Deposit securing letter of credit 276 276
Prepaid drilling costs 5,404 58
Loan commitment fees 2,496 2,870
Deposits 34 34
Other 45 37
Other assets $ 11,336 $ 6,364