XML 81 R72.htm IDEA: XBRL DOCUMENT v3.3.1.900
Stock Based Compensation (Summary of restricted stock awards and restricted stock) (Details) - $ / shares
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Restricted Stock [Member]      
Restricted Stock and Restricted Stock Units, Number of shares outstanding (in shares):      
Beginning balance (in shares) 706,000 893,000 1,748,000
Granted (in shares) 206,000 264,000 565,000
Vested (in shares) (279,000) (408,000) (1,420,000)
Forfeited (in shares) (178,000) (43,000) 0
Ending balance (in shares) 455,000 706,000 893,000
Restricted Stock and Restricted Stock Units, Weighted average grant date fair value (in dollars per share):      
Beginning balance (in dollars per share) $ 10.15 $ 7.25 $ 2.01
Granted (in dollars per share) 17.15 11.66 10.19
Vested (in dollars per share) 9.07 4.95 1.99
Forfeited (in dollars per share) 11.37 8.97 0.00
Ending balance (in dollars per share) $ 13.51 $ 10.15 $ 7.25
Restricted stock units [Member]      
Restricted Stock and Restricted Stock Units, Number of shares outstanding (in shares):      
Beginning balance (in shares) 0    
Legacy SBS restricted stock units assumed 318,000    
Granted (in shares) 0    
Vested (in shares) 0    
Forfeited (in shares) (36,000)    
Ending balance (in shares) 282,000 0  
Restricted Stock and Restricted Stock Units, Weighted average grant date fair value (in dollars per share):      
Beginning balance (in dollars per share) $ 0.00    
Legacy SBS restricted stock units assumed 16.99    
Granted (in dollars per share) 0.00    
Vested (in dollars per share) 0.00    
Forfeited (in dollars per share) 16.99    
Ending balance (in dollars per share) $ 16.99 $ 0.00