FAIR VALUE, Asset Quantitative Information (Details) $ in Thousands	Sep. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans	$ 1,504	$ 5,343
Other real estate owned	11,089	10,875
Multifamily Real Estate [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans		1,900
Other real estate owned	$ 9,503	$ 9,588
Other Real Estate Owned, Valuation Technique [Extensible List]	us-gaap:IncomeApproachValuationTechniqueMember	us-gaap:IncomeApproachValuationTechniqueMember
Multifamily 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]
Impaired loans, unobservable inputs		0.589
Multifamily 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]
Impaired loans, unobservable inputs		0.589
Multifamily 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]
Impaired loans, unobservable inputs		0.589
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	0.262	0.256
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	0.262	0.256
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	0.262	0.256
Residential Real Estate [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned	$ 206	$ 249
Other Real Estate Owned, Valuation Technique [Extensible List]	us-gaap:MarketApproachValuationTechniqueMember	us-gaap:MarketApproachValuationTechniqueMember
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	0.002	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	0.181	0.175
Commercial Real Estate [Member] | Owner Occupied [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans		$ 509
Other real estate owned	$ 829	$ 288
Other Real Estate Owned, Valuation Technique [Extensible List]	us-gaap:MarketApproachValuationTechniqueMember	us-gaap:MarketApproachValuationTechniqueMember
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		0.761
Other real estate owned, unobservable inputs	0.161	0.146
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		0.761
Other real estate owned, unobservable inputs	0.295	0.704
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		0.761
Other real estate owned, unobservable inputs		0.340
Commercial Real Estate [Member] | Non-Owner Occupied [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans	$ 1,209	$ 2,266
Commercial Real Estate [Member] | Non-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]
Other real estate owned, unobservable inputs	0.246
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	0.000	0.366
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	0.333	0.674
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	0.146	0.606
Commercial and Industrial [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans	$ 295	$ 288
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	0.250	0.250
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	0.975	0.870
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	0.439	0.436
Construction and Land [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans		$ 380
Other real estate owned	$ 551	$ 750
Other Real Estate Owned, Valuation Technique [Extensible List]	us-gaap:MarketApproachValuationTechniqueMember	us-gaap:MarketApproachValuationTechniqueMember
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]
Impaired loans, unobservable inputs		0.565
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]
Impaired loans, unobservable inputs		0.565
Other real estate owned, unobservable inputs	0.863	0.699
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]
Impaired loans, unobservable inputs		0.565
Other real estate owned, unobservable inputs	0.765	0.660