XML 37 R71.htm IDEA: XBRL DOCUMENT v2.4.0.6
Stock-Based Compensation (Details) (Restricted Stock [Member], USD $)
In Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Restricted Stock [Member]
 
Summary of the status of restricted stock  
Beginning balance, shares 755
Granted, shares 392
Vested, shares (238)
Forfeited, shares (45)
Ending balance, shares 864
Beginning balance, Weighted average grant date fair value $ 16.52
Granted, Weighted average grant date fair value $ 18.37
Vested, Weighted average grant date fair value $ 18.61
Forfeited, Weighted average grant date fair value $ 16.04
Ending balance, Weighted average grant date fair value $ 16.81
Beginning balance, Intrinsic Value $ 13,160
Ending balance, Intrinsic Value $ 14,517