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, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Other Assets, Noncurrent Disclosure [Abstract]    
Plugging and abandonment escrow account on the WCBB properties (Note 17) $ 3,113 $ 3,121
Certificates of Deposit securing letter of credit 275 275
Prepaid drilling costs 515 228
Loan commitment fees 9,388 1,495
Deposits 4 4
Other assets $ 13,295 $ 5,123