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NET INCOME PER COMMON SHARE (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2015
Impact Of Equity Awards [Line Items]          
Excluded shares as anti-dilutive when reporting loss     0 0  
Earnings Per Share, Basic and Diluted [Abstract]          
Net Income (Loss) Attributable to Parent $ 10,834 $ 6,747 $ 15,246 $ 6,654 $ 29,184
Preferred stock dividend 412 0 825 0 $ 752
Net Income (Loss) Available to Common Stockholders, Basic $ 10,422 $ 6,747 $ 14,421 $ 6,654  
Weighted Average Number Of Shares Outstanding Basic 38,468,822 38,074,240 38,462,998 38,071,049  
Earnings Per Share Basic $ 0.27 $ 0.18 $ 0.37 $ 0.17  
Incremental Common Shares Attributable to Share-based Payment Arrangements 738,000 855,000 811,000 956,000  
Weighted Average Number Of Diluted Shares Outstanding 41,130,418 38,928,610 39,273,532 39,026,880  
Earnings Per Share Diluted $ 0.26 $ 0.17 $ 0.37 $ 0.17  
Preferred stock under if converted method 1,923,000 0 0 0  
Restricted Stock Units Service Conditions [Member]          
Impact Of Equity Awards [Line Items]          
Excluded shares as anti-dilutive under the treasury stock method 0 7,000 0 6,000  
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 21,000 8,000 21,000 8,000  
Perpetual Cumulative Convertible Preferred Stock [Member]          
Impact Of Equity Awards [Line Items]          
Excluded shares as anti-dilutive under the treasury stock method 0 0 1,923,000 0  
Options Activity [Member]          
Impact Of Equity Awards [Line Items]          
Excluded shares as anti-dilutive under the treasury stock method 0 0 13,000 0  
Price range of option: from $ 0 $ 0 $ 11.36 $ 0  
Price range of option: to $ 0 $ 0 $ 11.78 $ 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 628,000 165,000 628,000 165,000