FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
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	13,448	$ 14,047
Securities available for sale	83,882	86,273
Carrying Amount
Financial assets:
Total financial assets	924,644	928,839
Financial liabilities:
Total financial liabilities	888,386	891,358
Estimated Fair Value
Financial assets:
Total financial assets	923,621	930,379
Financial liabilities:
Total financial liabilities	881,399	884,520
Level 1 | Carrying Amount
Financial assets:
Cash and cash equivalents	41,169	46,755
Level 1 | Estimated Fair Value
Financial assets:
Cash and cash equivalents	41,169	46,755
Level 2 | Carrying Amount
Financial assets:
Interest-bearing deposits	13,448	14,047
Securities available for sale	82,232	84,623
Federal Home Loan Bank stock	2,719	2,911
Financial liabilities:
Deposits	821,820	823,512
Borrowings	66,279	67,579
Level 2 | Estimated Fair Value
Financial assets:
Interest-bearing deposits	13,448	14,047
Securities available for sale	82,232	84,623
Federal Home Loan Bank stock	2,719	2,911
Financial liabilities:
Deposits	814,259	815,960
Borrowings	66,853	68,293
Significant Unobservable Inputs (Level 3) | Carrying Amount
Financial assets:
Securities available for sale	1,650	1,650
Net loans	781,400	776,837
Accrued interest receivable	2,026	2,016
Financial liabilities:
Accrued interest payable	287	267
Significant Unobservable Inputs (Level 3) | Estimated Fair Value
Financial assets:
Securities available for sale	1,650	1,650
Net loans	780,377	778,377
Accrued interest receivable	2,026	2,016
Financial liabilities:
Accrued interest payable	$ 287	$ 267