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Derivative Instruments (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Derivative [Line Items]    
Derivative assets, Fair value $ 2,853 $ 1,681
Derivative liabilities, Fair value 2,853 1,681
Not Designated as Hedging Instruments    
Derivative [Line Items]    
Derivative assets, Notional 48,932 57,502
Derivative assets, Fair value 2,853 1,681
Derivative liabilities, Notional 48,932 57,502
Derivative liabilities, Fair value 2,853 1,681
Not Designated as Hedging Instruments | Interest rate swap contracts    
Derivative [Line Items]    
Derivative assets, Notional 48,932 57,502
Derivative assets, Fair value 2,853 1,681
Derivative liabilities, Notional 48,932 57,502
Derivative liabilities, Fair value $ 2,853 $ 1,681