XML 84 R69.htm IDEA: XBRL DOCUMENT v3.2.0.727
Restricted Stock Units (Summary of Restricted Stock Units Issued) (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Share-Based Compensation Arrangement by Share-based Payment Award [Line Item]    
Share based compensation expense $ 15,000 $ 12,000
Restricted Stock [Member]    
Share-Based Compensation Arrangement by Share-based Payment Award [Line Item]    
Restricted Stock Units 22,011 25,950
Restricted Stock Units, Fair Value $ 1,102 $ 1,079
Minimum [Member] | Restricted Stock [Member]    
Share-Based Compensation Arrangement by Share-based Payment Award [Line Item]    
Award vesting period 3 years  
Maximum [Member] | Restricted Stock [Member]    
Share-Based Compensation Arrangement by Share-based Payment Award [Line Item]    
Award vesting period 5 years