CAPITAL REQUIREMENTS AND RESTRICTIONS ON RETAINED EARNINGS - Additional Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)
CAPITAL REQUIREMENTS AND RESTRICTIONS ON RETAINED EARNINGS
Statutory Accounting Practices, Statutory Amount Available for Dividend Payments	$ 89.1
Description of Regulatory Requirements, Capital Adequacy Purposes	Under the Basel III rules, the Company must hold a capital conservation buffer above the adequately capitalized risk-based capital ratios. The capital conservation buffer is being phased in from 0.000% for 2015 to 2.50% by 2019. The capital conservation buffer for 2019 and 2018 was 2.50% and 1.875%, respectively. The net unrealized gain or loss on available-for-sale securities is not included in computing regulatory capital