FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Financial Instruments with Off-Balance Sheet Risk [Abstract]
Off-balance sheet credit risks	$ 207,709	$ 205,527
Undisbursed Loan Commitments [Member]
Financial Instruments with Off-Balance Sheet Risk [Abstract]
Off-balance sheet credit risks	204,184	201,983
Standby Letters of Credit [Member]
Financial Instruments with Off-Balance Sheet Risk [Abstract]
Off-balance sheet credit risks	2,447	2,974
Financial Standby Letter of Credit [Member]
Financial Instruments with Off-Balance Sheet Risk [Abstract]
Off-balance sheet credit risks	0	0
Draw on letters of credit	0	0
Performance Standby Letters of Credit [Member]
Financial Instruments with Off-Balance Sheet Risk [Abstract]
Off-balance sheet credit risks	2,447	2,974
Draw on letters of credit	0	0
Commitments to Sell Loans [Member]
Financial Instruments with Off-Balance Sheet Risk [Abstract]
Off-balance sheet credit risks	1,078	570
Reserve for Off-balance Sheet Activity [Member]
Financial Instruments with Off-Balance Sheet Risk [Abstract]
Reserve for unfunded commitments	880	800
Derivative [Member]
Financial Instruments with Off-Balance Sheet Risk [Abstract]
Off-balance sheet credit risks	$ 0	$ 0