Annual report pursuant to Section 13 and 15(d)

Other Assets (Schedule Of Other Assets) (Details)

v2.4.0.6
其他资产（其他资产明细表）（详情）（美元）
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Other Assets, Noncurrent Disclosure [Abstract]    
WCBB资产的代管账户（注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