Redemption of Preferred Stock	9 Months Ended
Sep. 30, 2018
Equity [Abstract]
Redemption of Preferred Stock	Redemption of Preferred StockIn April 2017, we redeemed all of the 16,350,000 shares of our 6.625% Monthly Income Class F Preferred Stock, or the Class F preferred stock, for $25 per share, plus accrued dividends. We issued an irrevocable notice of redemption with respect to the Class F preferred stock in March 2017, and, as a result, we incurred a non-cash charge of $13.4 million for the first nine months of 2017, representing the Class F preferred stock original issuance costs that we paid in 2012.

The entire disclosure for terms, amounts, nature of changes, rights and privileges, dividends, and other matters related to preferred stock.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-URI http://asc.fasb.org/topic&trid=2208762

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