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Derivative Financial Instruments - Summary of Effect of Derivative Financial Instruments on Consolidated Statements of Operations (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Amount of Gain (Loss) Recognized in OCI on Derivatives (Effective Portion) $ 23,882 $ 1,138
Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion) (4)  
Net Investment Hedges [Member] | Foreign Currency Contracts [Member] | Interest Expense [Member]    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Amount of Gain (Loss) Recognized in OCI on Derivatives (Effective Portion) 25,356 $ 1,138
Cash Flow Hedges [Member] | Interest Rate Caps [Member] | Interest Expense [Member]    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Amount of Gain (Loss) Recognized in OCI on Derivatives (Effective Portion) (1,474)  
Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion) $ (4)