COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Unused lines of credit-Fixed
COMMITMENTS AND CONTINGENCIES
Other commitment	$ 34,505	$ 42,971
Standby letters of credit-Fixed
COMMITMENTS AND CONTINGENCIES
Other commitment	40	40
Commitments to make loans to sell-Fixed
COMMITMENTS AND CONTINGENCIES
Other commitment	40,550	34,045
Commitments to make loans-Fixed
COMMITMENTS AND CONTINGENCIES
Other commitment	950	4,596
Unused lines of credit-Variable
COMMITMENTS AND CONTINGENCIES
Other commitment	240,849	218,536
Standby letters of credit-Variable
COMMITMENTS AND CONTINGENCIES
Other commitment	23,607	15,532
Commitments to make loans-Variable
COMMITMENTS AND CONTINGENCIES
Other commitment	$ 13,504	$ 20,572