FAIR VALUE, Asset Quantitative Information (Details) $ in Thousands	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans	$ 7,017	$ 7,381
Other real estate owned	11,582	11,766
Multifamily Real Estate [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans	2,508	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	0.454	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	0.454	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	0.4545	0.453
Residential Real Estate [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Other real estate owned	$ 925	$ 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	0.210	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	0.220	0.219
Commercial Real Estate [Member] | Owner Occupied [Member]
Significant Unobservable Inputs Related to Assets and Liabilities Measured at Fair Value [Abstract]
Impaired loans	$ 1,400	$ 1,786
Other real estate owned		$ 125
Other real estate owned, valuation technique [Extensible List]		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		0.424
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		0.424
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		0.424
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	0.315	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	0.315	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	0.315	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	$ 2,510	$ 2,514
Other real estate owned	$ 200	$ 200
Other real estate owned, valuation technique [Extensible List]	us-gaap:MarketApproachValuationTechniqueMember	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	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	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	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	0.161	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	0.542	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	$ 405	$ 423
Other real estate owned	$ 150	$ 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	0.503	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	0.503	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	0.503	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	0.532	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	0.532	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	0.532	0.545