Issuance and Redemption of Preferred Stock	3 Months Ended
Mar. 31, 2012
Issuance and Redemption of Preferred Stock [Abstract]
Issuance and Redemption of Preferred Stock [Text Block]	8. Issuance and Redemption of Preferred Stock A. In February 2012, we issued 14.95 million shares of our 6.625% Monthly Income Class F Cumulative Redeemable Preferred Stock, including 1.95 million shares purchased by the underwriters upon the exercise of their overallotment option. After underwriting discounts and other offering costs of $12.8 million, we received net proceeds of $360.9 million, of which $127.5 million were used to redeem all of our outstanding 7.375% Monthly Income Class D Cumulative Redeemable Preferred Stock and the balance was used to repay a portion of the borrowings under our credit facility. Beginning February 15, 2017, the Class F preferred shares are redeemable, at our option, for $25 per share. The initial dividend of $0.1702257 per share was paid on March 15, 2012 and covered 37 days. Thereafter, dividends of $0.138021 per share will be paid monthly in arrears on the Class F preferred stock. B. We redeemed all of the 5.1 million shares of our 7.375% Monthly Income Class D Cumulative Redeemable Preferred Stock in March 2012 for $25 per share, plus accrued dividends. We incurred a charge of $3.7 million, representing the Class D preferred stock original issuance costs that we paid in 2004.

8. Issuance and Redemption of Preferred Stock

A. In February 2012, we issued 14.95 million shares of our 6.625% Monthly Income Class F Cumulative Redeemable Preferred Stock, including 1.95 million shares purchased by the underwriters upon the exercise of their overallotment option. After underwriting discounts and other offering costs of $12.8 million, we received net proceeds of $360.9 million, of which $127.5 million were used to redeem all of our outstanding 7.375% Monthly Income Class D Cumulative Redeemable Preferred Stock and the balance was used to repay a portion of the borrowings under our credit facility. Beginning February 15, 2017, the Class F preferred shares are redeemable, at our option, for $25 per share. The initial dividend of $0.1702257 per share was paid on March 15, 2012 and covered 37 days. Thereafter, dividends of $0.138021 per share will be paid monthly in arrears on the Class F preferred stock.

B. We redeemed all of the 5.1 million shares of our 7.375% Monthly Income Class D Cumulative Redeemable Preferred Stock in March 2012 for $25 per share, plus accrued dividends. We incurred a charge of $3.7 million, representing the Class D preferred stock original issuance costs that we paid in 2004.