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Share Based and Deferred Compensation (Tables)
 12 Months Ended
Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Option activity
 
Shares
 
Weighted
Average
Exercise Price
 
Weighted Average
Remaining Contractual
Term (in years)
 
Aggregate Intrinsic
Value
Outstanding at January 1, 2013
3,337,549

 
$
14.85

 
5.95
 
$
—

Exercised
(236,318
)
 
$
9.86

 
 
 

Forfeited/Expired
(117,662
)
 
$
18.61

 
 
 
 
Outstanding at December 31, 2013
2,983,569

 
$
15.50

 
5.15
 
$
—

Vested/Exercisable at December 31, 2013
2,799,140

 
$
15.74

 
5.05
 
$
—
Company's restricted share activity
 
Shares
 
Weighted
Average Grant
Date Fair value
Non-vested at January 1, 2013
597,708

 
$
12.57

Granted
182,576

 
13.13

Vested
(208,306
)
 
13.13

Forfeited
(8,265
)
 
11.41

Non-vested at December 31, 2013
563,713

 
$
12.56