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Inventory (Summary Of Inventory) (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Inventory [Abstract]    
Completed VOI units $ 237,389 $ 237,010
Construction-in-progress 31,847 26,587
Real estate held for future development 73,150 70,552
Total $ 342,386 $ 334,149