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Share Based and Deferred Compensation (Tables)
 12 Months Ended
Dec. 31, 2012
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, 2012
3,599,672

 
$
14.50

 
7.20

 
$
—

Granted
—

 
—

 
—

 
—

Exercised
(230,294
)
 
$
4.25

 
—

 
—

Forfeited/Expired
(31,829
)
 
$
14.33

 
 
 
 
Outstanding at December 31, 2012
3,337,549

 
$
14.85

 
5.95

 
$
—

Vested/Exercisable at December 31, 2012
2,692,086

 
$
16.06

 
5.78

 
$
—
Company's restricted share activity
 
Shares
 
Weighted
Average Grant
Date Fair value
Non-vested at January 1, 2012
807,291

 
$
9.46

Granted
228,777

 
10.91

Vested
(414,865
)
 
6.18

Forfeited
(23,495
)
 
14.29

Non-vested at December 31, 2012
597,708

 
$
12.57