CAPITAL REQUIREMENTS AND RESTRICTIONS ON RETAINED EARNINGS - Additional Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($)
Capital Requirements and Restrictions On Retained Earnings [Abstract]
Statutory Accounting Practices, Statutory Amount Available for Dividend Payments	$ 86.4
Description of Regulatory Requirements, Capital Adequacy Purposes	Under the Basel III rule, the Company must hold a capital conservation buffer above the adequately capitalized risk-based capital ratios. The capital conservation buffer was phased in from 0.000% for 2015 to 2.50% by 2019. The capital conservation buffer for 2020 and 2019 was 2.50%. The net unrealized gain or loss on available-for-sale securities is not included in computing regulatory capital