XML 167 R147.htm IDEA: XBRL DOCUMENT v3.3.1.900
EMPLOYEE STOCK COMPENSATION - Nonvested Restricted Stock Awards and Restricted Stock Units (Detail) - Restricted stock awards and restricted stock units - $ / shares
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Number of Shares      
Outstanding at beginning of year (in shares) 1,287,302 893,886 163,682
Granted (in shares) 930,830 915,077 936,542
Vested (in shares) (451,196) (261,952) (88,169)
Forfeited (in shares) (250,575) (259,709) (118,169)
Outstanding at end of year (in shares) 1,516,361 1,287,302 893,886
Weighted- Average Price per Share      
Outstanding at beginning of year (in dollars per share) $ 12.53 $ 13.78 $ 11.43
Granted (in dollars per share) 12.31 11.77 13.82
Vested (in dollars per share) 12.64 13.51 11.98
Forfeited (in dollars per share) 12.29 13.21 12.70
Outstanding at end of year (in dollars per share) $ 12.40 $ 12.53 $ 13.78