EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Earnings Per Share [Abstract]
Weighted Average Number of Shares, excluded from computation									800	1,300
Options to purchase shares											2,500
Income from continuing operations- basic and diluted	$ 5,478	$ (16,841)	$ 4,854	$ 1,111	$ (28,249)	$ 6,511	$ 5,678	$ 5,092	$ (5,398)	$ (10,968)	$ 27,612
Weighted average shares outstanding-basic									48,319	51,402	52,328
Weighted Average Number of Shares, Contingently Issuable									0	0	2,082
Weighted average diluted shares outstanding									48,319	51,402	54,410
Basic earnings (loss) per share (in dollars per share)	$ 0.12	$ (0.35)	$ 0.10	$ 0.02	$ (0.56)	$ 0.13	$ 0.11	$ 0.10	$ (0.11)	$ (0.21)	$ 0.53
Diluted earnings (loss) per share (in dollars per share)	$ 0.11	$ (0.35)	$ 0.10	$ 0.02	$ (0.56)	$ 0.12	$ 0.11	$ 0.09	$ (0.11)	$ (0.21)	$ 0.51