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Commitments and Contingencies (Detail Textuals)
$ in Thousands
6 Months Ended
Jun. 30, 2017
USD ($)
Contractual amount of off-balance-sheet financial instruments  
Amounts accrued for estimated losses for the financial instruments $ 0
Minimum  
Contractual amount of off-balance-sheet financial instruments  
Remaining term of standby letters of credit 1 month
Maximum  
Contractual amount of off-balance-sheet financial instruments  
Remaining term of standby letters of credit 5 years