NET DEFERRED TAX ASSET AND INCOME TAXES - Components of income tax provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Deferred (benefit) expense	$ (391)	$ (494)	$ 888
Income tax provision	2,359	1,709	2,914
Components of income tax provision
Federal	2,406	1,986	1,831
State	344	217	195
Current provision	2,750	2,203	2,026
Federal	(317)	(455)	840
State	(74)	(39)	48
Deferred (benefit) expense	(391)	(494)	888
Income tax provision	$ 2,359	$ 1,709	$ 2,914