FAIR VALUE, Asset Quantitative Information (Details) $ in Thousands	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans	$ 5,387	$ 5,343
Other real estate owned	10,532	10,875
Multifamily Real Estate [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans	1,853	1,900
Other real estate owned	$ 9,533	$ 9,588
Other real estate owned, valuation technique [Extensible List]	us-gaap:MarketApproachValuationTechniqueMember	us-gaap:MarketApproachValuationTechniqueMember
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	0.600	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	0.600	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	0.600	0.589
Multifamily Real Estate [Member] | Adjustment for Differences in Net Operating Income Expectations [Member] | Minimum [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.260	0.256
Multifamily Real Estate [Member] | Adjustment for Differences in Net Operating Income Expectations [Member] | Maximum [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.260	0.256
Multifamily Real Estate [Member] | Adjustment for Differences in Net Operating Income Expectations [Member] | Weighted Average [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.260	0.256
Residential Real Estate [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned	$ 249	$ 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] | 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] | 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] | Weighted Average [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.175	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		$ 288
Other real estate owned, valuation technique [Extensible List]		us-gaap:MarketApproachValuationTechniqueMember
Commercial Real Estate [Member] | Owner Occupied [Member] | Adjustment for Estimated Realizable Value [Member] | Minimum [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs		0.146
Commercial Real Estate [Member] | Owner Occupied [Member] | Adjustment for Estimated Realizable Value [Member] | Maximum [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs		0.704
Commercial Real Estate [Member] | Owner Occupied [Member] | Adjustment for Estimated Realizable Value [Member] | Weighted Average [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs		0.340
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
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
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
Commercial Real Estate [Member] | Non-Owner Occupied [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans	$ 3,217	$ 2,266
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	0.139	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	0.674	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	0.433	0.606
Commercial and Industrial [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans	$ 317	$ 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	0.865	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	0.459	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	$ 750	$ 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] | 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] | Maximum [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.699	0.699
Construction and Land [Member] | Adjustment for Estimated Realizable Value [Member] | Weighted Average [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.660	0.660
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
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
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