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Share-Based Compensation (Schedule Of Share-Based Compensation Information) (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Share Based Compensation [Abstract]        
Expense relating to share grants $ 886,000 $ 926,000 $ 1,453,000 $ 1,749,000
Amounts capitalized (56,000) (25,000) (113,000) (44,000)
Total charged to operations $ 830,000 $ 901,000 1,340,000 $ 1,705,000
Expense reduction related to forfeiture of restricted shares     $ 267,000