Share Based and Deferred Compensation (Option Activity) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number	2,799,140
Stock-based compensation expense	$ 8,300,000	$ 8,600,000	$ 6,400,000
Stock-based compensation expense, capitalized	1,400,000	2,600,000	1,500,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value	0
Option activity
Outstanding at beginning of year, shares	3,337,549
Exercised, shares	(236,318)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period	(117,662)
Outstanding at end of year, shares	2,983,569.000	3,337,549
Outstanding at beginning of year, Weighted Average Exercise Price	$ 14.85
Exercised, Weighted Average Exercise Price	$ 9.86
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price	$ 18.61
Outstanding at end of year, Weighted Average Exercise Price	$ 15.50	$ 14.85
Vested/Exercisable at end of period, Weighted Average Exercise Price	$ 15.74
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term	5 years 1 month 25 days	5 years 11 months 13 days
Vested/Exercisable at end of period, Weighted Average Remaining Contractual Term (in years)	5 years 0 months 20 days
Outstanding at beginning of year, Aggregate Intrinsic Value	0
Outstanding at end of year, Aggregate Intrinsic Value	0	0
Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares	184,429
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	100,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	0 years 2 months 20 days
Stock-based compensation expense	700,000	1,600,000	1,400,000
Stock-based compensation expense, capitalized	$ 100,000	$ 500,000	$ 400,000
Option activity
Outstanding at end of year, shares	2,983,569