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Income Tax - Components of Partnership's Deferred Tax Assets (Liabilities) (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Income Tax Disclosure [Abstract]    
Derivative instruments $ 7,021 $ 8,647
Taxation loss carryforwards and disallowed finance costs 44,823 48,440
Vessels and equipment 3,462 3,602
Capitalized interest (2,184) (2,261)
Gross deferred tax assets 53,122 58,428
Valuation allowance (53,198) $ (58,428)
Net deferred tax liabilities included in accrued liabilities $ (76)