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REPURCHASE AGREEMENTS (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2017
Dec. 31, 2016
REPURCHASE AGREEMENTS    
Repurchase agreements $ 23,950 $ 20,873
Carrying amount of agency-backed securities pledged to secure repurchase agreements 29,500  
Overnight obligations    
REPURCHASE AGREEMENTS    
Repurchase agreements 18,000  
Maturity terms extending    
REPURCHASE AGREEMENTS    
Repurchase agreements $ 6,000  
Average weighted remaining life 1 year 9 months 18 days