COMMITMENTS AND CONTINGENCIES - Additional Information (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Commitments to Extend Credit [Member]
Commitment And Contingencies [Line Items]
Commitments to extend credit	$ 673.8	$ 684.2
Standby Letters of Credit [Member]
Commitment And Contingencies [Line Items]
Commitments to extend credit	20.3	$ 12.7
SBIC [Member]
Commitment And Contingencies [Line Items]
Unfunded commitment for investment	$ 1.8