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Derivative Instruments (Details)
$ in Thousands
Jun. 30, 2017
USD ($)
Derivative [Line Items]  
Net Amounts Presented in the Consolidated Balance Sheets $ 1,177
Net Amounts Presented in the Consolidated Balance Sheets 1,177
Not Designated as Hedging Instrument  
Derivative [Line Items]  
Notional 41,259
Net Amounts Presented in the Consolidated Balance Sheets 1,177
Net Amounts Presented in the Consolidated Balance Sheets 1,177
Not Designated as Hedging Instrument | Interest rate swap contracts  
Derivative [Line Items]  
Notional 41,259
Net Amounts Presented in the Consolidated Balance Sheets $ 1,177