Quarterly report pursuant to Section 13 or 15(d)

Noncontrolling Interests In Subsidiaries (Schedule Of Activity Of Noncontrolling Interests) (Details)

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Noncontrolling Interests In Subsidiaries (Schedule Of Activity Of Noncontrolling Interests) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Noncontrolling Interest [Line Items]        
Balance, value     $ 192,428  
Unit distributions     (6,760)  
Redeemable noncontrolling interest $ (3,785) $ (2,683) (9,573) $ (6,157)
Redemption of common units for common stock, value      
Other comprehensive income (loss)     7,287  
Rebalancing of ownership percentage between parent and subsidiaries      
Balance, value 209,622   209,622  
Noncontrolling Interests In Subsidiaries [Member]        
Noncontrolling Interest [Line Items]        
Balance, value     192,428 199,516
Net income     13,571 7,704
Issuance of limited partner common units     2,793
Unit distributions     (6,760) (6,295)
Redeemable noncontrolling interest     (10,572) (7,905)
Increase (decrease) in noncontrolling interest in consolidated joint ventures     22,786 (1,082)
Redemption of common units for common stock, value     (4,141) (2,531)
Stock compensation     3,806 3,302
Cancellation of restricted shares     (454)
Other comprehensive income (loss)     742 63
Rebalancing of ownership percentage between parent and subsidiaries     (1,784) (3,757)
Balance, value $ 209,622 $ 191,808 $ 209,622 $ 191,808