SHAREHOLDERS' EQUITY (Details) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Sep. 30, 2017	Apr. 28, 2015	Dec. 17, 2013	Feb. 27, 2013
Participation in the TARP Capital Purchase Program
Number of shares authorized to be repurchased						$ 25,000		$ 600,000	$ 600,000
Number of additional shares authorized to be repurchased							$ 750,000
Shares of Common Stock
Participation in the TARP Capital Purchase Program
Number of shares repurchased	14,000	14,000	102,455	13,700	55,594