FAIR VALUE MEASUREMENTS (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
FAIR VALUE MEASUREMENTS
Blended interest rate for determining fair value of nonaccrual loans (as a percent)	0.00%
Financial assets:
Interest-bearing deposits	$ 10	$ 10	$ 10
Securities available for sale	42,476	38,727	37,022
Carrying Amount
Financial assets:
Total financial assets	523,297	473,123	469,545
Financial liabilities:
Total financial liabilities	475,526	440,988	441,264
Estimated Fair Value
Financial assets:
Total financial assets	519,931	471,591	468,722
Financial liabilities:
Total financial liabilities	475,058	440,657	442,920
Level 1 | Carrying Amount
Financial assets:
Cash and cash equivalents	47,405	34,070	42,122
Level 1 | Estimated Fair Value
Financial assets:
Cash and cash equivalents	47,405	34,070	42,122
Level 2 | Carrying Amount
Financial assets:
Interest-bearing deposits	10	10	10
Securities available for sale	42,476	38,727	37,022
Federal Home Loan Bank stock	3,060	3,060	3,060
Accrued interest receivable	1,574	1,261	1,266
Financial liabilities:
Deposits	439,363	404,789	405,058
Borrowings	35,925	35,997	35,997
Accrued interest payable	238	202	209
Level 2 | Estimated Fair Value
Financial assets:
Interest-bearing deposits	10	10	10
Securities available for sale	42,476	38,727	37,022
Federal Home Loan Bank stock	3,060	3,060	3,060
Accrued interest receivable	1,574	1,261	1,266
Financial liabilities:
Deposits	439,139	404,821	407,120
Borrowings	35,681	35,634	35,591
Accrued interest payable	238	202	209
Level 3 | Carrying Amount
Financial assets:
Net loans	428,772	395,995	386,065
Level 3 | Estimated Fair Value
Financial assets:
Net loans	$ 425,406	$ 394,463	$ 385,242