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Derivative Financial Instruments (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Derivative [Line Items]    
Derivative Liability, Notional Amount $ 3,500 $ 3,500
Pledged cash as collateral in connection with interest rate swap agreements 700 1,300
Non-designated hedging instruments | Client-Related | Interest rate swap contracts    
Summary of Derivative Instruments [Abstract]    
Notional Amount 124,322 153,630
Non-designated hedging instruments | Client-Related | Foreign Exchange Forward [Member]    
Summary of Derivative Instruments [Abstract]    
Notional Amount 3,034 0
Non-designated hedging instruments | Client-Related | Other Assets | Interest rate swap contracts    
Derivative [Line Items]    
Unrealized Gain Derivative Instruments 982  
Summary of Derivative Instruments [Abstract]    
Derivative Asset, Fair Value, Gross Asset 982 1,155
Non-designated hedging instruments | Client-Related | Other Assets | Foreign Exchange Forward [Member]    
Summary of Derivative Instruments [Abstract]    
Derivative Asset, Fair Value, Gross Asset 3,034 0
Non-designated hedging instruments | Client-Related | Other Liabilities | Interest rate swap contracts    
Summary of Derivative Instruments [Abstract]    
Liability derivatives (other liabilities), fair value 982 1,155
Non-designated hedging instruments | Client-Related | Other Liabilities | Foreign Exchange Forward [Member]    
Summary of Derivative Instruments [Abstract]    
Liability derivatives (other liabilities), fair value $ 3,034 $ 0