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INVESTMENT SECURITIES - Securities with unrealized losses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Fair Value	$ 9,434		$ 9,434		$ 1,782
Less than 12 months, Unrealized Losses	(30)		(30)		(12)
More than 12 months, Fair Value	7,321		7,321		40,276
More than 12 months, Unrealized Losses	(115)		(115)		(2,027)
Total Fair Value	16,755		16,755		42,058
Total Unrealized Losses	(145)		(145)		(2,039)
Sales	7,500	$ 0	7,500	$ 0
Realized gains	100		100
Association (“GNMA”) mortgage-backed securities – residential
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Fair Value	1,439		1,439		201
Less than 12 months, Unrealized Losses	(5)		(5)
More than 12 months, Fair Value	4,584		4,584		32,696
More than 12 months, Unrealized Losses	(88)		(88)		(1,597)
Total Fair Value	6,023		6,023		32,897
Total Unrealized Losses	(93)		(93)		(1,597)
Federal National Mortgage Association (“FNMA”) mortgage-backed securities – residential
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Fair Value					436
Less than 12 months, Unrealized Losses					(3)
More than 12 months, Fair Value	2,737		2,737		3,215
More than 12 months, Unrealized Losses	(27)		(27)		(205)
Total Fair Value	2,737		2,737		3,651
Total Unrealized Losses	(27)		(27)		(208)
Securities issued by U.S. government sponsored entities and agencies
Debt Securities, Available-for-sale [Line Items]
More than 12 months, Fair Value					4,302
More than 12 months, Unrealized Losses					(223)
Total Fair Value					4,302
Total Unrealized Losses					(223)
Corporate collateralized mortgage obligations (”CMO”) and mortgage-backed securities (”MBS”)
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Fair Value	7,995		7,995		1,145
Less than 12 months, Unrealized Losses	(25)		(25)		(9)
More than 12 months, Fair Value					63
More than 12 months, Unrealized Losses					(2)
Total Fair Value	7,995		7,995		1,208
Total Unrealized Losses	$ (25)		$ (25)		$ (11)