SECURITIES (Details 3) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Available for Sale, Amortized Cost
Amortized Cost	$ 363,366	$ 365,140
Available for Sale, Fair Value
Securities - available for sale	363,644	367,249
Held to Maturity, Amortized Cost
Amortized Cost	487,076	477,507
Held to Maturity, Fair Value
Fair Value	485,650	$ 478,749
Debt Securities [Member]
Available for Sale, Amortized Cost
Due in one year or less	999
Due after one year to five years	29,144
Due after five to ten years	97,144
Due after ten years	216,896
Amortized Cost	344,183
Available for Sale, Fair Value
Due in one year or less	1,001
Due in one year or less	29,419
Due after five to ten years	97,421
Due after ten years	216,532
Securities - available for sale	344,373
Held to Maturity, Amortized Cost
Due in one year or less	1
Due after one year to five years	16,007
Due after five to ten years	22,664
Due after ten years	448,404
Amortized Cost	487,076
Held to Maturity, Fair Value
Due in one year or less	1
Due after one year to five years	16,228
Due after five to ten years	23,309
Due after ten years	446,112
Fair Value	485,650
Marketable securities [Member]
Available for Sale, Amortized Cost
Available-for-sale Equity Securities, Amortized Cost Basis	19,183
Available for Sale, Fair Value
Assets Designated to Closed Block, Equity Securities, Available-for-sale, at Fair Value	19,271
Held to Maturity, Amortized Cost
Amortized Cost	0
Held to Maturity, Fair Value
Fair Value	$ 0