FEDERAL HOME LOAN BANK ADVANCES - MATURITIES (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
FEDERAL HOME LOAN BANK ADVANCES    
2017 (Overnight) $ 285,000  
2017 (Term) 205,000  
2018 117,500  
2019 100,000  
2020 65,000  
2021 20,000  
Thereafter 10,000  
Total $ 802,500 $ 699,500
Weighted Average Rate    
2017 (Overnight) 0.64%  
2017 (Term) 1.78%  
2018 1.53%  
2019 1.80%  
2020 1.78%  
2021 1.86%  
Thereafter 2.14%  
Total 1.35%