INVESTMENT SECURITIES - Securities with unrealized losses (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2019	Dec. 31, 2018
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Fair Value	$ 1,179	$ 1,179	$ 1,782
Less than 12 months, Unrealized Losses	(12)	(12)	(12)
More than 12 months, Fair Value	23,105	23,105	40,276
More than 12 months, Unrealized Losses	(334)	(334)	(2,027)
Total Fair Value	24,284	24,284	42,058
Total Unrealized Losses	(346)	(346)	(2,039)
Sales	0	0
Association (“GNMA”) mortgage-backed securities – residential
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Fair Value			201
More than 12 months, Fair Value	16,139	16,139	32,696
More than 12 months, Unrealized Losses	(265)	(265)	(1,597)
Total Fair Value	16,139	16,139	32,897
Total Unrealized Losses	(265)	(265)	(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	2,918	2,918	3,215
More than 12 months, Unrealized Losses	(61)	(61)	(205)
Total Fair Value	2,918	2,918	3,651
Total Unrealized Losses	(61)	(61)	(208)
Securities issued by U.S. government sponsored entities and agencies
Debt Securities, Available-for-sale [Line Items]
More than 12 months, Fair Value	3,988	3,988	4,302
More than 12 months, Unrealized Losses	(8)	(8)	(223)
Total Fair Value	3,988	3,988	4,302
Total Unrealized Losses	(8)	(8)	(223)
Corporate collateralized mortgage obligations and mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Fair Value	1,179	1,179	1,145
Less than 12 months, Unrealized Losses	(12)	(12)	(9)
More than 12 months, Fair Value	60	60	63
More than 12 months, Unrealized Losses			(2)
Total Fair Value	1,239	1,239	1,208
Total Unrealized Losses	$ (12)	$ (12)	$ (11)