Basis of Presentation (Narratives) (Details) (USD $)	6 Months Ended
	Jun. 30, 2014 entity investment
Basis of Consolidation
Tenancy in common	6
Variable interest entities acquired	12
CWI 2
Basis of Consolidation
Maximum offering amount, value	$ 1,000,000,000
Stock authorized during period, share value dividend reinvestment plan	$ 400,000,000
Consolidated
Basis of Consolidation
Tenancy in common	5