FAIR VALUE (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
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	14,047	$ 5,089
Securities available for sale	88,886	53,728
Carrying Amount
Financial assets:
Total financial assets	908,414	700,800
Financial liabilities:
Total financial liabilities	875,229	656,251
Estimated Fair Value
Financial assets:
Total financial assets	913,020	701,597
Financial liabilities:
Total financial liabilities	874,703	653,799
Level 1 | Carrying Amount
Financial assets:
Cash and cash equivalents	48,615	25,008
Level 1 | Estimated Fair Value
Financial assets:
Cash and cash equivalents	48,615	25,008
Level 2 | Carrying Amount
Financial assets:
Interest-bearing deposits	14,047	5,089
Securities available for sale	88,886	53,728
Federal Home Loan Bank stock	2,926	2,169
Financial liabilities:
Deposits	807,180	610,323
Borrowings	67,730	45,754
Level 2 | Estimated Fair Value
Financial assets:
Interest-bearing deposits	14,047	5,089
Securities available for sale	88,886	53,728
Federal Home Loan Bank stock	2,926	2,169
Financial liabilities:
Deposits	805,299	607,636
Borrowings	69,085	45,989
Significant Unobservable Inputs (Level 3) | Carrying Amount
Financial assets:
Net loans	751,942	613,390
Accrued interest receivable	1,998	1,416
Financial liabilities:
Accrued interest payable	319	174
Significant Unobservable Inputs (Level 3) | Estimated Fair Value
Financial assets:
Net loans	756,548	614,187
Accrued interest receivable	1,998	1,416
Financial liabilities:
Accrued interest payable	$ 319	$ 174