SECURITIES, Securities with Unrealized Losses in Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Continuous unrealized loss position, fair value [Abstract]
Less than 12 months	$ 172,851	$ 200,564
12 months or more	8,909	8,750
Total	181,760	209,314
Continuous unrealized loss position, unrealized loss [Abstract]
Less than 12 months	(1,813)	(3,814)
12 months or more	(250)	(284)
Total	(2,063)	(4,098)
U.S. Government Sponsored Agency Securities [Member]
Continuous unrealized loss position, fair value [Abstract]
Less than 12 months	15,724	17,207
12 months or more	0	0
Total	15,724	17,207
Continuous unrealized loss position, unrealized loss [Abstract]
Less than 12 months	(110)	(174)
12 months or more	0	0
Total	(110)	(174)
U.S. Government Sponsored Agency MBS - Residential [Member]
Continuous unrealized loss position, fair value [Abstract]
Less than 12 months	135,403	157,022
12 months or more	0	0
Total	135,403	157,022
Continuous unrealized loss position, unrealized loss [Abstract]
Less than 12 months	(1,403)	(3,173)
12 months or more	0	0
Total	(1,403)	(3,173)
U.S. Government Sponsored Agency CMO's - Residential [Member]
Continuous unrealized loss position, fair value [Abstract]
Less than 12 months	16,821	18,374
12 months or more	8,309	8,750
Total	25,130	27,124
Continuous unrealized loss position, unrealized loss [Abstract]
Less than 12 months	(273)	(373)
12 months or more	(245)	(284)
Total	(518)	(657)
Obligations of States and Political Subdivisions [Member]
Continuous unrealized loss position, fair value [Abstract]
Less than 12 months	4,903	7,961
12 months or more	600	0
Total	5,503	7,961
Continuous unrealized loss position, unrealized loss [Abstract]
Less than 12 months	(26)	(94)
12 months or more	(6)	0
Total	$ (32)	$ (94)