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Share-Based Compensation (Schedule Of Share-Based Compensation Information) (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Share-Based Compensation [Abstract]        
Expense relating to share grants $ 750,000 $ 878,000 $ 2,499,000 $ 2,602,000
Amounts capitalized (23,000) (60,000) (67,000) (173,000)
Expense relating to share-based compensation, net $ 727,000 $ 818,000 $ 2,432,000 $ 2,429,000