COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Unused lines of credit-Fixed
COMMITMENTS AND CONTINGENCIES
Other commitment	$ 35,724	$ 33,571
Standby letters of credit-Fixed
COMMITMENTS AND CONTINGENCIES
Other commitment	65	40
Commitments to make loans to sell-Fixed
COMMITMENTS AND CONTINGENCIES
Other commitment	81,158	17,207
Unused lines of credit-Variable
COMMITMENTS AND CONTINGENCIES
Other commitment	245,642	271,580
Standby letters of credit-Variable
COMMITMENTS AND CONTINGENCIES
Other commitment	23,499	$ 23,508
Commitments to make loans-Variable
COMMITMENTS AND CONTINGENCIES
Other commitment	$ 10,000