SECURITIES - Additional Information (Details) $ in Millions	Dec. 31, 2020 USD ($) security	Dec. 31, 2019 USD ($) security
SECURITIES
Carrying value of securities pledged to public deposits \| $	$ 576.0	$ 447.0
Number of securities in the portfolio that were in an unrealized loss position \| security	71	156

Fair value of liabilities arising from or related to a financial instrument held by the entity for its own account (proprietary securities) which has been pledged to counterparties.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=121645371&loc=SL6283291-111563

Name:	us-gaap_SecurityOwnedAndPledgedAsCollateralAssociatedLiabilitiesFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant