EQUITY (Details) (USD $)	0 Months Ended		3 Months Ended			0 Months Ended	3 Months Ended
	Jun. 03, 2013	Feb. 28, 2013	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012	Jun. 01, 2012 2012 Program	Mar. 31, 2013 2012 Program	Mar. 31, 2012 2012 Program
Share Repurchases
Authorized amount under stock repurchase program						$ 35,000,000
Number of shares of common stock repurchased under stock repurchase program							0	0
Number of common stock repurchased to satisfy employee tax withholding obligations (in Shares)			175,295	154,768
Value of common stock repurchased to satisfy employee tax withholding obligations			2,200,000	1,900,000
Dividend
Dividends declared (in dollars per share)		$ 0.09	$ 0.09	$ 0.05
Cash dividend paid on outstanding shares of common stock (in dollars per share)	$ 0.09
Dividends payable			$ 3,251,000	$ 1,803,000	$ 3,231,000