EMPLOYEE BENEFIT PLANS - Shares held by ESOP (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
EMPLOYEE BENEFIT PLANS
Total compensation expenses applicable to ESOP	$ 155,000	$ 132,000
Shares held by ESOP
Allocated (in shares)	82,451	74,624
Committed to be allocated (in shares)	7,240	7,241
Unallocated (in shares)	72,405	79,645
Paid out to participants (in shares)	(18,787)	(18,709)
Total shares held by ESOP	143,309	142,801
Fair value of unallocated ESOP shares	$ 1,872,000	$ 1,507,000