Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2011

Stockholders' Equity

	Six Months Ended June 30,
	2011		2010
Series C preferred stock (1):
Dividends	$	3,392	$	3,392
Per share		0.9218		0.9218
Common stock:
Dividends		63,887		62,174
Per share		0.760		0.750

⁽¹⁾ The Series C preferred stock has no maturity date and will remain outstanding unless redeemed.

DRIP [Member]

Stockholders' Equity

	Six Months Ended June 30,
	2011		2010
Shares of common stock issued		2,284,335		561,107
Net proceeds	$	56,447	$	11,770