SECURITIES, Securities with Unrealized Losses in Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Continuous unrealized loss position, fair value [Abstract]
Less than 12 months	$ 0	$ 70,672
12 months or more	58,266	199,688
Total	58,266	270,360
Continuous unrealized loss position, unrealized loss [Abstract]
Less than 12 months	0	(300)
12 months or more	(369)	(5,561)
Total	(369)	(5,861)
U.S. Government Sponsored Agency Securities [Member]
Continuous unrealized loss position, fair value [Abstract]
Less than 12 months	0	999
12 months or more	7,701	11,057
Total	7,701	12,056
Continuous unrealized loss position, unrealized loss [Abstract]
Less than 12 months	0	0
12 months or more	(27)	(180)
Total	(27)	(180)
U.S. Government Sponsored Agency MBS - Residential [Member]
Continuous unrealized loss position, fair value [Abstract]
Less than 12 months	0	50,923
12 months or more	35,474	158,791
Total	35,474	209,714
Continuous unrealized loss position, unrealized loss [Abstract]
Less than 12 months	0	(243)
12 months or more	(242)	(4,603)
Total	(242)	(4,846)
U.S. Government Sponsored Agency CMO's - Residential [Member]
Continuous unrealized loss position, fair value [Abstract]
Less than 12 months	0	16,359
12 months or more	14,763	26,386
Total	14,763	42,745
Continuous unrealized loss position, unrealized loss [Abstract]
Less than 12 months	0	(41)
12 months or more	(98)	(741)
Total	(98)	(782)
Obligations of States and Political Subdivisions [Member]
Continuous unrealized loss position, fair value [Abstract]
Less than 12 months	0	679
12 months or more	328	3,454
Total	328	4,133
Continuous unrealized loss position, unrealized loss [Abstract]
Less than 12 months	0	(6)
12 months or more	(2)	(37)
Total	$ (2)	(43)
Other Securities [Member]
Continuous unrealized loss position, fair value [Abstract]
Less than 12 months		1,712
12 months or more		0
Total		1,712
Continuous unrealized loss position, unrealized loss [Abstract]
Less than 12 months		(10)
12 months or more		0
Total		$ (10)