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Derivatives, Net - Summarizes Gross Asset and Liability Amounts Related to Derivatives (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Derivative Liability [Abstract]    
Gross Amount of Recognized Liabilities $ (5,645)  
Gross Amounts Offset in the Consolidated Balance Sheet 1  
Net Amounts of Assets Presented in the Consolidated Balance Sheet (5,644) $ 0
Derivative Asset [Abstract]    
Gross Amount of Recognized Assets   5,906
Gross Amounts Offset in the Consolidated Balance Sheet   0
Net Amounts of Assets Presented in the Consolidated Balance Sheet 0 5,906
Interest Rate Cap [Member]    
Derivative Liability [Abstract]    
Gross Amount of Recognized Liabilities 0  
Gross Amounts Offset in the Consolidated Balance Sheet 1  
Net Amounts of Assets Presented in the Consolidated Balance Sheet 1  
Derivative Asset [Abstract]    
Gross Amount of Recognized Assets   23
Gross Amounts Offset in the Consolidated Balance Sheet   0
Net Amounts of Assets Presented in the Consolidated Balance Sheet   23
Forward Currency Contract [Member]    
Derivative Liability [Abstract]    
Gross Amount of Recognized Liabilities (5,645)  
Gross Amounts Offset in the Consolidated Balance Sheet 0  
Net Amounts of Assets Presented in the Consolidated Balance Sheet $ (5,645)  
Derivative Asset [Abstract]    
Gross Amount of Recognized Assets   5,883
Gross Amounts Offset in the Consolidated Balance Sheet   0
Net Amounts of Assets Presented in the Consolidated Balance Sheet   $ 5,883