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FAIR VALUE MEASUREMENT AND DISCLOSURE (Narrative) (Details) - USD ($)
Mar. 31, 2019
Dec. 31, 2018
Mar. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Financing Receivable, Individually Evaluated for Impairment $ 6,264,000 $ 6,926,000 $ 11,225,000
Substandard [Member] | Minimum      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Financing Receivable, Individually Evaluated for Impairment $ 500,000