NET INCOME PER COMMON SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Earnings Per Share, Basic and Diluted [Abstract]
Net Income (Loss) Attributable to Parent	$ 6,747	$ 8,137	$ 6,654	$ 9,500	$ 26,823
Weighted Average Number Of Shares Outstanding Basic	38,074,240	37,686,679	38,071,049	37,681,004
Earnings Per Share Basic	$ 0.18	$ 0.22	$ 0.17	$ 0.25
Incremental Common Shares Attributable to Share-based Payment Arrangements	854,370	759,207	955,831	834,068
Weighted Average Number Of Diluted Shares Outstanding	38,928,610	38,445,886	39,026,880	38,515,072
Earnings Per Share Diluted	$ 0.17	$ 0.21	$ 0.17	$ 0.25
Restricted Stock Units Service And Performance Conditions But Performance Not Met [Member]
Impact Of Equity Awards [Line Items]
Excluded shares as anti-dilutive under the treasury stock method	8,000	3,000	8,000	3,000
Options Activity [Member]
Impact Of Equity Awards [Line Items]
Excluded shares as anti-dilutive under the treasury stock method	0	32,000	0	33,000
Price range of option: from	$ 0	$ 10.74	$ 0	$ 10.74
Price range of option: to	$ 0	$ 35.05	$ 0	$ 35.05
Restricted Stock Units Activity [Member] | Restricted Stock Units Service Conditions [Member]
Impact Of Equity Awards [Line Items]
Excluded shares as anti-dilutive under the treasury stock method	7,000	0	6,000	0
Restricted Stock Units Activity [Member] | Restricted Stock Units Service And Market Conditions But Market Not Met [Member]
Impact Of Equity Awards [Line Items]
Excluded shares as anti-dilutive under the treasury stock method	165,000	290,000	165,000	290,000