v3.7.0.1
INCOME TAXES - Income tax provision (Details) - USD ($)
 3 Months Ended 12 Months Ended
Dec. 31, 2016
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Current:        
Federal   $ 409,000 $ 10,278,000  
Foreign   1,480,000    
State   1,992,000 (2,263,000) $ 1,250,000
Total current   3,881,000 8,015,000 1,250,000
Deferred:        
Federal   37,794,000 46,935,000 43,869,000
Foreign   (4,071,000)    
State   368,000 4,725,000 (11,439,000)
Deferred income taxes   34,091,000 51,660,000 32,430,000
Total provision (benefit)   37,972,000 59,675,000 33,680,000
Tax provision from discontinued operations       (210,000)
Income tax provision $ 19,200,000 37,972,000 59,675,000 33,470,000
Alternative minimum taxes recorded   0    
Alternative minimum tax liability of the consolidated tax group $ 0 0    
Pre-tax income (losses)        
Domestic   135,391,000 163,531,000 97,303,000
Foreign   14,248,000   457,000
Total   $ 149,639,000 $ 163,531,000 $ 97,760,000