COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Unused lines of credit-Fixed
COMMITMENTS AND CONTINGENCIES
Other commitment	$ 24,041	$ 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	42,237	17,207
Commitments to make loans-Fixed
COMMITMENTS AND CONTINGENCIES
Other commitment	27,782	2,750
Unused lines of credit-Variable
COMMITMENTS AND CONTINGENCIES
Other commitment	243,186	271,580
Standby letters of credit-Variable
COMMITMENTS AND CONTINGENCIES
Other commitment	23,508	23,508
Commitments to make loans-Variable
COMMITMENTS AND CONTINGENCIES
Other commitment	$ 39,045	$ 19,762