EMPLOYEE AND DIRECTOR BENEFIT PLANS- Company's option plans (Details)	12 Months Ended
	Dec. 31, 2019 $ / shares shares
EMPLOYEE AND DIRECTOR BENEFIT PLANS
Shares Available for Future Grants, Beginning Balance	597,500
Shares Available for Future Grants, Options granted/vested	(58,500)
Shares Available for Future Grants, Stock grants	(10,569)
Shares Available for Future Grants, Options exercised	26,813
Shares Available for Future Grants, Options forfeited	3,100
Shares Available for Future Grants, Ending Balance	568,913
Number Of Options Outstanding, Beginning Balance	239,955
Number Of Options, granted/vested	58,500
Number Of Options, Exercised	(26,813)
Number Of Options, Expired	(0.00)
Number Of Options, Forfeited	(3,100)
Number Of Options Outstanding, Ending Balance	268,542
Outstanding Options, Weighted Average Exercise Price, Beginning Balance | $ / shares	$ 8.63
Outstanding Options, Weighted Average Exercise Price, Options granted/vested | $ / shares	$ 0.00
Weighted Average Exercise Price, Outstanding Stock grants	12.30%
Outstanding Options, Weighted Average Exercise Price, Options exercised | $ / shares	$ 8.50
Outstanding Options, Weighted Average Exercise Price, Options expired | $ / shares	0.00
Outstanding Options, Weighted Average Exercise Price, Options forfeited | $ / shares	10.92
Outstanding Options, Weighted Average Exercise Price, Ending Balance | $ / shares	$ 9.55
Exercisable Options, Number Outstanding, Beginning Balance	113,013
Exercisable Options, Number Outstanding, Options granted/vested	35,660
Exercisable Options, Number Outstanding, Options exercised	(26,813)
Exercisable Options, Number Outstanding, Options expired	(0.00)
Exercisable Options, Number Outstanding, Options forfeited	(200)
Exercisable Options, Number Outstanding, Ending Balance	121,660
Exercisable Options, Weighted Average Exercise Price, Beginning Balance | $ / shares	$ 6.71
Exercisable Options, Weighted Average Exercise Price, Options granted/vested | $ / shares	0.00
Exercisable Options, Weighted Average Exercise Price, Options exercised | $ / shares	8.50
Exercisable Options, Weighted Average Exercise Price, Options expired | $ / shares	0.00
Exercisable Options, Weighted Average Exercise Price, Options forfeited | $ / shares	5.25
Exercisable Options, Weighted Average Exercise Price, Ending Balance | $ / shares	$ 7.80