EARNINGS PER SHARE (Narrative) (Details) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Restricted Stock        
Anti-dilutive weighted average non-vested shares        
Anti-dilutive weighted average non-vested shares (in shares) 758,060 467,388 524,998 471,239
Stock Options        
Anti-dilutive weighted average non-vested shares        
Anti-dilutive weighted average non-vested shares (in shares) 218,857 288,673 224,512 309,602
Performance Units        
Anti-dilutive weighted average non-vested shares        
Anti-dilutive weighted average non-vested shares (in shares) 126,050 194,375 127,113 158,367