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, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Other Assets, Noncurrent Disclosure [Abstract]    
Plugging and abandonment escrow account on the WCBB properties (Note 11) $ 3,113 $ 3,113
Certificates of Deposit securing letter of credit 275 275
Prepaid drilling costs 626 515
Loan commitment fees 9,141 9,388
Deposits 4 4
Other assets $ 13,159 $ 13,295