FAIR VALUE, Asset Quantitative Information (Details) $ in Thousands	Sep. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans	$ 5,675	$ 7,381
Other real estate owned	12,576	11,766
Multifamily Real Estate [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans	2,066	2,514
Other real estate owned	$ 10,307	$ 10,307
Other real estate owned, valuation technique [Extensible List]	us-gaap:MarketApproachValuationTechniqueMember	us-gaap:MarketApproachValuationTechniqueMember
Multifamily Real Estate [Member] | Minimum [Member] | Adjustment for Differences in Net Operating Income Expectations [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.200	0.200
Multifamily Real Estate [Member] | Maximum [Member] | Adjustment for Differences in Net Operating Income Expectations [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.200	0.200
Multifamily Real Estate [Member] | Weighted Average [Member] | Adjustment for Differences in Net Operating Income Expectations [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.200	0.200
Multifamily Real Estate [Member] | Sales Comparison [Member] | Minimum [Member] | Adjustment for Estimated Realizable Value [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs	0.552	0.453
Multifamily Real Estate [Member] | Sales Comparison [Member] | Maximum [Member] | Adjustment for Estimated Realizable Value [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs	0.552	0.453
Multifamily Real Estate [Member] | Sales Comparison [Member] | Weighted Average [Member] | Adjustment for Estimated Realizable Value [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs	0.552	0.453
Residential Real Estate [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned	$ 1,149	$ 984
Other real estate owned, valuation technique [Extensible List]	us-gaap:MarketApproachValuationTechniqueMember	us-gaap:MarketApproachValuationTechniqueMember
Residential Real Estate [Member] | Minimum [Member] | Adjustment for Estimated Realizable Value [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.002	0.192
Residential Real Estate [Member] | Maximum [Member] | Adjustment for Estimated Realizable Value [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] | Weighted Average [Member] | Adjustment for Estimated Realizable Value [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.202	0.219
Commercial Real Estate [Member] | Owner Occupied [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans	$ 661	$ 1,786
Other real estate owned	$ 291	$ 125
Other real estate owned, valuation technique [Extensible List]	us-gaap:MarketApproachValuationTechniqueMember	us-gaap:MarketApproachValuationTechniqueMember
Commercial Real Estate [Member] | Owner Occupied [Member] | Minimum [Member] | Adjustment for Estimated Realizable Value [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.146	0.424
Commercial Real Estate [Member] | Owner Occupied [Member] | Maximum [Member] | Adjustment for Estimated Realizable Value [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.832	0.424
Commercial Real Estate [Member] | Owner Occupied [Member] | Weighted Average [Member] | Adjustment for Estimated Realizable Value [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.390	0.424
Commercial Real Estate [Member] | Owner Occupied [Member] | Sales Comparison [Member] | Minimum [Member] | Adjustment for Estimated Realizable Value [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs	0.684	0.315
Commercial Real Estate [Member] | Owner Occupied [Member] | Sales Comparison [Member] | Maximum [Member] | Adjustment for Estimated Realizable Value [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs	0.684	0.506
Commercial Real Estate [Member] | Owner Occupied [Member] | Sales Comparison [Member] | Weighted Average [Member] | Adjustment for Estimated Realizable Value [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs	0.684	0.355
Commercial Real Estate [Member] | Non-Owner Occupied [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans	$ 2,374	$ 2,514
Other real estate owned		$ 200
Other real estate owned, valuation technique [Extensible List]		us-gaap:MarketApproachValuationTechniqueMember
Commercial Real Estate [Member] | Non-Owner Occupied [Member] | Minimum [Member] | Adjustment for Estimated Realizable Value [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs		0.579
Commercial Real Estate [Member] | Non-Owner Occupied [Member] | Maximum [Member] | Adjustment for Estimated Realizable Value [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs		0.579
Commercial Real Estate [Member] | Non-Owner Occupied [Member] | Weighted Average [Member] | Adjustment for Estimated Realizable Value [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs		0.579
Commercial Real Estate [Member] | Non-Owner Occupied [Member] | Income Approach [Member] | Minimum [Member] | Adjustment for Differences in Net Operating Income Expectations [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs	0.234	0.161
Commercial Real Estate [Member] | Non-Owner Occupied [Member] | Income Approach [Member] | Maximum [Member] | Adjustment for Differences in Net Operating Income Expectations [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs	0.674	0.672
Commercial Real Estate [Member] | Non-Owner Occupied [Member] | Income Approach [Member] | Weighted Average [Member] | Adjustment for Differences in Net Operating Income Expectations [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs	0.564	0.541
Commercial and Industrial [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans	$ 194	$ 144
Commercial and Industrial [Member] | Sales Comparison [Member] | Minimum [Member] | Adjustment for Estimated Realizable Value [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs	0.000	0.000
Commercial and Industrial [Member] | Sales Comparison [Member] | Maximum [Member] | Adjustment for Estimated Realizable Value [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs	0.000	0.000
Commercial and Industrial [Member] | Sales Comparison [Member] | Weighted Average [Member] | Adjustment for Estimated Realizable Value [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs	0.000	0.000
Construction and Land [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans	$ 380	$ 423
Other real estate owned	$ 829	$ 150
Other real estate owned, valuation technique [Extensible List]	us-gaap:MarketApproachValuationTechniqueMember	us-gaap:MarketApproachValuationTechniqueMember
Construction and Land [Member] | Minimum [Member] | Adjustment for Estimated Realizable Value [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.375	0.503
Construction and Land [Member] | Maximum [Member] | Adjustment for Estimated Realizable Value [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.699	0.503
Construction and Land [Member] | Weighted Average [Member] | Adjustment for Estimated Realizable Value [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned, unobservable inputs	0.641	0.503
Construction and Land [Member] | Sales Comparison [Member] | Minimum [Member] | Adjustment for Estimated Realizable Value [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs	0.565	0.532
Construction and Land [Member] | Sales Comparison [Member] | Maximum [Member] | Adjustment for Estimated Realizable Value [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs	0.565	0.836
Construction and Land [Member] | Sales Comparison [Member] | Weighted Average [Member] | Adjustment for Estimated Realizable Value [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans, unobservable inputs	0.565	0.545