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Derivative Instruments - Summarizes Gross Asset and Liability Amounts Related to Derivatives (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Derivative [Line Items]    
Gross Amount of Recognized Assets $ 5,906 $ 3,327
Gross Amounts Offset in the Consolidated Balance Sheet 0 0
Net Amounts of Assets Presented in the Consolidated Balance Sheet 5,906 3,327
Interest Rate Cap [Member]    
Derivative [Line Items]    
Gross Amount of Recognized Assets 23 106
Gross Amounts Offset in the Consolidated Balance Sheet 0 0
Net Amounts of Assets Presented in the Consolidated Balance Sheet 23 106
Forward Currency Contract [Member]    
Derivative [Line Items]    
Gross Amount of Recognized Assets 5,883 3,221
Gross Amounts Offset in the Consolidated Balance Sheet 0 0
Net Amounts of Assets Presented in the Consolidated Balance Sheet $ 5,883 $ 3,221