STOCKHOLDERS' EQUITY AND REGULATORY MATTERS (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2018	Dec. 31, 2017
STOCKHOLDERS' EQUITY AND REGULATORY MATTERS [Abstract]
Number of previous years retained profit taken for dividend calculation	2 years
Funds available for dividends without prior approval	$ 7.7
Common Equity Tier 1 Capital (to Risk-Weighted Assets)	14.80%	13.90%
Common Equity Tier 1 Capital (to Risk-Weighted Assets), Regulatory Minimum Requirements	4.50%
Common Equity Tier 1 Capital (to Risk-Weighted Assets), To Be Considered Well Capitalized	6.50%
Tier I Capital (to Risk-Weighted Assets)	15.30%	14.40%
Tier I Capital (to Risk-Weighted Assets), Regulatory Minimum Requirements	6.00%
Tier I Capital (to Risk-Weighted Assets), To Be Considered Well Capitalized	8.00%
Total Capital (to Risk-Weighted Assets)	16.60%	15.60%
Total Capital (to Risk-Weighted Assets), Regulatory Minimum Requirements	8.00%
Total Capital (to Risk-Weighted Assets), To Be Considered Well Capitalized	10.00%
Tier I Capital (to Average Assets)	10.90%	10.70%
Tier I Capital (to Average Assets), Regulatory Minimum Requirements	4.00%
Tier I Capital (to Average Assets), To Be Considered Well Capitalized	5.00%
Capital conservation buffer	8.56%	7.56%

Capital conservation buffer divided by risk weighted assets as defined by regulations.

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The minimum Common Equity Tier One Capital Ratio (Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The Common Equity Tier 1 capital ratio (Tier 1 capital divided by risk weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action.

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Number of previous years retained profits taken as a base for payment of dividend that may be paid without prior approval of regulatory agencies, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The amount of dividends that can be declared or paid without affecting the banking or savings institution's regulatory capital position.

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The minimum Total risk based capital ratio (total capital divided by risk weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The Total risk based capital ratio (total capital divided by risk weighted assets) required to be categorized as "well capitalized", in the regulatory framework for prompt corrective action.

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Total Capital divided by risk weighted assets as defined in the regulations.

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Percentage of Common Equity Tier One Risk-based Capital to total risk-weighted assets, as defined by regulatory framework.

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The minimum amount of Tier 1 Leverage Capital for capital adequacy purposes divided by average assets as defined in the regulations.

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The amount of Tier 1 Leverage Capital required to be categorized as well capitalized divided by average assets as defined in the regulatory framework for prompt corrective action.

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Tier 1 Leverage Capital divided by average assets as defined in the regulations.

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The minimum Tier One Capital Ratio (Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The Tier 1 capital ratio (Tier 1 capital divided by risk weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action.

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Tier 1 capital divided by risk weighted assets as defined by regulations.

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