SECURITIES (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Available-for-sale Investment securities [Abstract]
Amortized cost	$ 485,704	$ 409,267
Unrealized gains	9,273	12,215
Unrealized losses	(2,513)	(292)
Fair value	492,464	421,190
U.S. Government Sponsored Agency MBS - Residential [Member]
Available-for-sale Investment securities [Abstract]
Amortized cost	259,484	318,315
Unrealized gains	7,414	9,777
Unrealized losses	(560)	(292)
Fair value	266,338	327,800
U.S. Government Sponsored Agency CMO's - Residential [Member]
Available-for-sale Investment securities [Abstract]
Amortized cost	22,869	29,264
Unrealized gains	696	812
Unrealized losses	0	0
Fair value	23,565	30,076
Total Mortgage-Backed Securities of Government Sponsored Agencies [Member]
Available-for-sale Investment securities [Abstract]
Amortized cost	282,353	347,579
Unrealized gains	8,110	10,589
Unrealized losses	(560)	(292)
Fair value	289,903	357,876
U.S. Government Sponsored Agency Securities [Member]
Available-for-sale Investment securities [Abstract]
Amortized cost	140,342	2,490
Unrealized gains	121	136
Unrealized losses	(1,553)	0
Fair value	138,910	2,626
Obligations of States and Political Subdivisions [Member]
Available-for-sale Investment securities [Abstract]
Amortized cost	57,692	53,639
Unrealized gains	945	1,361
Unrealized losses	(400)	0
Fair value	58,237	55,000
Other Securities [Member]
Available-for-sale Investment securities [Abstract]
Amortized cost	5,317	5,559
Unrealized gains	97	129
Unrealized losses	0	0
Fair value	$ 5,414	$ 5,688

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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