STOCKHOLDERS' EQUITY AND SHARE-BASED COMPENSATION - Dividend Payments (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Earnings Per Share
Dividend per share	$ 0.34	$ 0.40	$ 0.40
Stockholder record date	Dec. 30, 2016	Dec. 29, 2015	Dec. 01, 2014
Total dividend	$ 9,041	$ 10,591	$ 10,527
Payment date	Jan. 12, 2017	Jan. 12, 2016	Dec. 15, 2014