STOCK BASED COMPENSATION - Other Expense and Stock Repurchase Program (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Jun. 30, 2016	Mar. 31, 2016	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Additional disclosures
Recognition period of other expense	3 months
Price Per Share		$ 19.89		$ 21.89	$ 19.89	$ 19.89	$ 16.53
Compensation expense	$ 382	$ 315	$ 359
Stock repurchase program
Number of common stock shares repurchased	169,110
Value of common stock shares repurchased	$ 3,381
Common Stock
Stock repurchase program
Percentage of common stock shares authorized to repurchase	5.00%
Number of common stock shares authorized to repurchase	1,085,000
Restricted stock
Additional disclosures
Shares of common stock granted	50,152
Restricted stock | Directors
Additional disclosures
Quarterly vesting percentage of stock awards								25.00%