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INVESTMENT SECURITIES (Schedule of amortized cost and fair value of securities available-for-sale) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Schedule of Available-for-sale Securities [Line Items]
Investment securities available for sale, at fair value, substantially restricted	$ 266,096	$ 234,942
Available-for-sale Securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	262,749	233,186
Gross Unrealized/Unrecognized Gains	3,596	1,891
Gross Unrealized/Unrecognized Losses	(249)	(135)
Investment securities available for sale, at fair value, substantially restricted	266,096	234,942
Available-for-sale Securities | Residential mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	192,163	175,902
Gross Unrealized/Unrecognized Gains	2,599	1,478
Gross Unrealized/Unrecognized Losses	(74)	(117)
Investment securities available for sale, at fair value, substantially restricted	194,688	177,263
Available-for-sale Securities | Commercial mortgage-backed securities issued by U.S. government sponsored entities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	32,589	32,284
Gross Unrealized/Unrecognized Gains	997	206
Gross Unrealized/Unrecognized Losses	(94)	(18)
Investment securities available for sale, at fair value, substantially restricted	33,492	32,472
Available-for-sale Securities | U.S. Government agency securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	37,997	25,000
Gross Unrealized/Unrecognized Gains		207
Gross Unrealized/Unrecognized Losses	(81)
Investment securities available for sale, at fair value, substantially restricted	$ 37,916	$ 25,207

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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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