XML 98 R84.htm IDEA: XBRL DOCUMENT v3.3.1.900
Employee Compensation Plans - Summarizes of Company's Non-Vested ESP/EIP Awards (Details) - Restricted Stock - $ / shares
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]    
Non-vested at beginning of year, number of shares 1,239,346  
Granted, number of shares 399,566  
Vested, number of shares (210,516)  
Forfeited or expired, number of shares (170,838)  
Non-vested at end of year, number of shares 1,257,558 1,239,346
Weighted Average Fair Value    
Non-vested at beginning of year, weighted average fair value (in dollars per share) $ 20.12  
Granted, weighted average fair value (in dollars per share) 19.05  
Vested, weighted average fair value (in dollars per share) 24.59  
Forfeited or expired, weighted average fair value (in dollars per share) 18.27  
Non-vested at end of year, weighted average fair value (in dollars per share) $ 19.29 $ 20.12
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Remaining Contractual Terms 3 years 4 months 12 days  
Non-vested at beginning of year, remaining contractual life (in years) 1 year 8 months 12 days 1 year 8 months 12 days
Non-vested at end of year, remaining contractual life (in years) 1 year 8 months 12 days 1 year 8 months 12 days