XML 67 R57.htm IDEA: XBRL DOCUMENT v3.5.0.2
Share-based Compensation - Summary of Restricted Stock Unit Activity (Detail) - Restricted Stock Units (RSUs) [Member] - $ / shares
shares in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Non-vested shares, beginning of the year     124  
Shares, Granted     73  
Shares, Vested     0  
Shares, Forfeited     (1)  
Non-vested shares, end of the year 196   196  
Weighted Average Grant Date Fair Value, Non-vested restricted stock, beginning of the year     $ 15.55  
Weighted Average Grant Date Fair Value, Granted $ 14.83 $ 14.75 17.02 $ 14.75
Weighted Average Grant Date Fair Value, Vested     0  
Weighted Average Grant Date Fair Value, Forfeited     15.59  
Weighted Average Grant Date Fair Value, Non-vested restricted stock, end of the period $ 16.10   $ 16.10