FAIR VALUE, Asset Quantitative Information (Details) $ in Thousands	Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans	$ 3,444	$ 1,504
Other real estate owned	12,188	12,273
Residential Real Estate [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned	$ 128	$ 206
Other real estate owned, valuation technique [Extensible List]	Sales Comparison [Member]	Sales Comparison [Member]
Other real estate owned, measurement input [Extensible List]	Adjustment for Estimated Realizable Value [Member]	Adjustment for Estimated Realizable Value [Member]
Residential Real Estate [Member] | Adjustment for Estimated Realizable Value [Member] | Sales Comparison [Member] | Minimum [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.020	0.002
Residential Real Estate [Member] | Adjustment for Estimated Realizable Value [Member] | Sales Comparison [Member] | Maximum [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.598	0.598
Residential Real Estate [Member] | Adjustment for Estimated Realizable Value [Member] | Sales Comparison [Member] | Weighted Average [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.289	0.181
Multifamily Real Estate [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned	$ 10,843	$ 10,838
Other real estate owned, valuation technique [Extensible List]	Income Approach [Member]	Income Approach [Member]
Other real estate owned, measurement input [Extensible List]	Adjustment for Differences in Net Operating Income Expectations [Member]	Adjustment for Differences in Net Operating Income Expectations [Member]
Multifamily Real Estate [Member] | Adjustment for Differences in Net Operating Income Expectations [Member] | Income Approach [Member] | Minimum [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.419	0.420
Multifamily Real Estate [Member] | Adjustment for Differences in Net Operating Income Expectations [Member] | Income Approach [Member] | Maximum [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.703	0.704
Multifamily Real Estate [Member] | Adjustment for Differences in Net Operating Income Expectations [Member] | Income Approach [Member] | Weighted Average [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.454	0.455
Commercial Real Estate [Member] | Owner Occupied [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans	$ 201	$ 250
Other real estate owned	$ 817	$ 829
Other real estate owned, valuation technique [Extensible List]	Sales Comparison [Member]	Sales Comparison [Member]
Other real estate owned, measurement input [Extensible List]	Adjustment for Estimated Realizable Value [Member]	Adjustment for Estimated Realizable Value [Member]
Commercial Real Estate [Member] | Owner Occupied [Member] | Minimum [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs	0.790
Commercial Real Estate [Member] | Owner Occupied [Member] | Maximum [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs	0.790
Commercial Real Estate [Member] | Owner Occupied [Member] | Weighted Average [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs	0.790
Commercial Real Estate [Member] | Owner Occupied [Member] | Adjustment for Estimated Realizable Value [Member] | Sales Comparison [Member] | Minimum [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs		0.738
Other real estate owned, unobservable inputs	0.221	0.221
Commercial Real Estate [Member] | Owner Occupied [Member] | Adjustment for Estimated Realizable Value [Member] | Sales Comparison [Member] | Maximum [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs		0.738
Other real estate owned, unobservable inputs	0.285	0.268
Commercial Real Estate [Member] | Owner Occupied [Member] | Adjustment for Estimated Realizable Value [Member] | Sales Comparison [Member] | Weighted Average [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs		0.738
Other real estate owned, unobservable inputs	0.263	0.252
Commercial Real Estate [Member] | Non-Owner Occupied [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans	$ 3,120	$ 1,080
Commercial Real Estate [Member] | Non-Owner Occupied [Member] | Adjustment for Differences in Net Operating Income Expectations [Member] | Income Approach [Member] | Minimum [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs	0.192	0.147
Commercial Real Estate [Member] | Non-Owner Occupied [Member] | Adjustment for Differences in Net Operating Income Expectations [Member] | Income Approach [Member] | Maximum [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs	0.374	0.374
Commercial Real Estate [Member] | Non-Owner Occupied [Member] | Adjustment for Differences in Net Operating Income Expectations [Member] | Income Approach [Member] | Weighted Average [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs	0.227	0.252
Commercial and Industrial [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans	$ 123	$ 174
Commercial and Industrial [Member] | Adjustment for Estimated Realizable Value [Member] | Sales Comparison [Member] | Minimum [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs	0.625	0.500
Commercial and Industrial [Member] | Adjustment for Estimated Realizable Value [Member] | Sales Comparison [Member] | Maximum [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs	0.844	0.850
Commercial and Industrial [Member] | Adjustment for Estimated Realizable Value [Member] | Sales Comparison [Member] | Weighted Average [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs	0.660	0.620
Construction and Land [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned	$ 400	$ 400
Other real estate owned, valuation technique [Extensible List]	Sales Comparison [Member]	Sales Comparison [Member]
Other real estate owned, measurement input [Extensible List]	Adjustment for Estimated Realizable Value [Member]	Adjustment for Estimated Realizable Value [Member]
Construction and Land [Member] | Adjustment for Estimated Realizable Value [Member] | Sales Comparison [Member] | Minimum [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.503	0.503
Construction and Land [Member] | Adjustment for Estimated Realizable Value [Member] | Sales Comparison [Member] | Maximum [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.986	0.986
Construction and Land [Member] | Adjustment for Estimated Realizable Value [Member] | Sales Comparison [Member] | Weighted Average [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.805	0.805