FEDERAL HOME LOAN BANK ADVANCES - Long-term, Fixed-rate FHLB Advances and Maturities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Amount
Within one year	$ 8,500	$ 5,500
Greater than one year to two years	10,100	7,500
Greater than two years to three years	4,500	8,600
Greater than three years to four years	1,500	4,000
Greater than four years to five years		1,500
Total long-term FHLB Advances	$ 24,600	$ 27,100
Weighted Average Rate
Within one year (as a percent)	1.94%	1.88%
Greater than one year to two years (as a percent)	2.14%	2.08%
Greater than two years to three years (as a percent)	1.90%	2.32%
Greater than three years to four years (as a percent)	1.75%	1.99%
Greater than four years to five years (as a percent)		1.75%
Total long-term FHLB Advances (as a percent)	2.00%	2.09%