COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
FHLB Letters of Credit [Abstract]
Letters of credit outstanding balance	$ 0	$ 199,000
Commitments to Grant Loans and Unfunded Commitments Under Lines of Credit [Member]
Financial instruments with off-balance-sheet risk [Abstract]
Financial instruments whose contract amounts represent credit risk outstanding	547,738	417,798
Standby Letters of Credit [Member]
Financial instruments with off-balance-sheet risk [Abstract]
Financial instruments whose contract amounts represent credit risk outstanding	$ 12,420	$ 10,481