Annual report pursuant to Section 13 and 15(d)

Other Assets (Schedule Of Other Assets) (Details)

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其他资产（其他资产明细表）（详情）（美元）
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Other Assets, Noncurrent Disclosure [Abstract]    
WCBB资产的代管账户（注11） $ 3,105 $ 3,113
Certificates of Deposit securing letter of credit 275 275
Prepaid drilling costs 526 515
Loan commitment fees 9,341 9,388
Derivative receivable 4,493 0
Deposits 34 4
Other 77   
Other assets $ 17,851 $ 13,295