SECURITIES (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Available-for-sale Investment securities [Abstract]
Amortized cost	$ 368,354	$ 370,607
Unrealized gains	2,932	985
Unrealized losses	(2,204)	(5,861)
Fair value	369,082	365,731
U.S. Government Sponsored Agency MBS - Residential [Member]
Available-for-sale Investment securities [Abstract]
Amortized cost	257,523	259,575
Unrealized gains	1,635	513
Unrealized losses	(1,719)	(4,846)
Fair value	257,439	255,242
U.S. Government Sponsored Agency CMO's - Residential [Member]
Available-for-sale Investment securities [Abstract]
Amortized cost	71,470	69,231
Unrealized gains	552	94
Unrealized losses	(386)	(782)
Fair value	71,636	68,543
Total Mortgage-Backed Securities of Government Sponsored Agencies [Member]
Available-for-sale Investment securities [Abstract]
Amortized cost	328,993	328,806
Unrealized gains	2,187	607
Unrealized losses	(2,105)	(5,628)
Fair value	329,075	323,785
U.S. Government Sponsored Agency Securities [Member]
Available-for-sale Investment securities [Abstract]
Amortized cost	22,328	24,154
Unrealized gains	379	196
Unrealized losses	(89)	(180)
Fair value	22,618	24,170
Obligations of States and Political Subdivisions [Member]
Available-for-sale Investment securities [Abstract]
Amortized cost	13,581	14,194
Unrealized gains	296	176
Unrealized losses	(10)	(43)
Fair value	13,867	14,327
Other Securities [Member]
Available-for-sale Investment securities [Abstract]
Amortized cost	3,452	3,453
Unrealized gains	70	6
Unrealized losses	0	(10)
Fair value	$ 3,522	$ 3,449