Annual report pursuant to Section 13 and 15(d)

Other Assets (Schedule Of Other Assets) (Details)

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Other Assets (Schedule Of Other Assets) (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Other Assets, Noncurrent Disclosure [Abstract]    
Plugging and abandonment escrow account on the WCBB properties (Note 15) $ 3,089 $ 3,097
Certificates of Deposit securing letter of credit 276 275
Prepaid drilling costs 58 483
Loan commitment fees 2,870 2,470
Deposits 34 34
Other 37 117
Other assets $ 6,364 $ 6,476