SECURITIES - Amortized cost, fair value and tax equivalent yield of securities (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2020 USD ($)
U.S. Government agency notes - After 5 years but within 10 years
Amortized cost	$ 2,496
Fair value	$ 2,557
Yield	3.48%
U.S. Government agency notes - Total
Amortized cost	$ 2,496
Fair value	$ 2,557
Yield	3.48%
Municipal bonds - After 5 year but within 10 years
Amortized cost	$ 1,720
Fair value	$ 1,881
Yield	3.16%
Municipal bonds - After 10 years
Amortized cost	$ 22,981
Fair value	$ 24,015
Yield	3.07%
Municipal bonds - Total
Amortized cost	$ 24,701
Fair value	$ 25,896
Yield	3.08%
Mortgage-backed securities and Collateralized mortgage obligations - U.S. Government agencies
Amortized cost	$ 52,920
Fair value	$ 54,877
Yield	2.85%
Corporate bonds - After 5 years but within 10 years
Amortized cost	$ 6,000
Fair value	$ 6,122
Yield	5.21%
Securities available-for-sale
Amortized cost	$ 86,117
Fair value	$ 89,452
Yield	3.17%