Equity (Details 1) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Dividends Payable
Common Stock, Dividends, Per Share, Cash Paid	$ 3.7150	$ 3.1800	$ 0.6500
Ordinary Income
Dividends Payable
Common Stock, Dividends, Per Share, Cash Paid	$ 3.6566	$ 3.1701	$ 0.6228
Return Of Capital
Dividends Payable
Common Stock, Dividends, Per Share, Cash Paid	$ 0.0584	$ 0.0099	$ 0.0272