FAIR VALUE (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Dec. 31, 2018
Fair Value Measurements
Blended interest rate for determining fair value of nonaccrual loans (as a percent)	0.00%
Fair value of commitments	$ 0
Financial assets:
Interest-bearing deposits	12,465	$ 13,452
Securities available for sale	110,348	116,748
Marketable Securities	110,348	116,748
Carrying Amount
Financial assets:
Total financial assets	1,247,615	1,235,967
Financial liabilities:
Total financial liabilities	1,161,660	1,155,464
Estimated Fair Value
Financial assets:
Total financial assets	1,234,950	1,215,500
Financial liabilities:
Total financial liabilities	1,129,195	1,104,871
Level 1 | Carrying Amount
Financial assets:
Cash and cash equivalents	60,690	64,157
Level 1 | Estimated Fair Value
Financial assets:
Cash and cash equivalents	60,690	64,157
Level 2 | Carrying Amount
Financial assets:
Interest-bearing deposits	12,465	13,452
Federal Home Loan Bank stock	4,924	4,924
Financial liabilities:
Deposits	1,114,853	1,097,537
Borrowings	46,232	57,536
Level 2 | Estimated Fair Value
Financial assets:
Interest-bearing deposits	12,465	13,452
Federal Home Loan Bank stock	4,924	4,924
Financial liabilities:
Deposits	1,082,522	1,047,709
Borrowings	46,098	56,771
Level 3 | Carrying Amount
Financial assets:
Net loans	1,055,397	1,033,681
Accrued interest receivable	3,791	3,005
Financial liabilities:
Accrued interest payable	575	391
Level 3 | Estimated Fair Value
Financial assets:
Net loans	1,042,732	1,013,214
Accrued interest receivable	3,791	3,005
Financial liabilities:
Accrued interest payable	575	391
Available-for-sale Securities
Financial assets:
Marketable Securities	110,348	116,748
Available-for-sale Securities | Level 2 | Carrying Amount
Financial assets:
Marketable Securities	108,918	115,260
Available-for-sale Securities | Level 2 | Estimated Fair Value
Financial assets:
Marketable Securities	108,918	115,260
Available-for-sale Securities | Level 3 | Carrying Amount
Financial assets:
Marketable Securities	1,430	1,488
Available-for-sale Securities | Level 3 | Estimated Fair Value
Financial assets:
Marketable Securities	1,430	1,488
Corporate
Financial assets:
Marketable Securities	15,478	20,064
US Agencies
Financial assets:
Marketable Securities	22,194	15,970
US Agencies - MBS
Financial assets:
Marketable Securities	29,574	32,840
Obligations of states and political subdivisions
Financial assets:
Marketable Securities	$ 43,102	$ 47,874