Common Stock and Other Equity Related Transactions (Tables)

12 Months Ended

Dec. 31, 2014

The following table presents the changes in our outstanding common stock for the years ended December 31, 2014, 2013 and 2012 (excluding OP Units of 7,231,967, 7,667,723, and 7,456,320 outstanding at December 31, 2014, 2013 and 2012, respectively):



	2014		2013		2012
Shares outstanding at January 1,	83,313,677		83,193,310		82,156,400
Common stock issued through conversion of OP Units	435,756		29,566		749,814
Common stock issued through exercise of options	—		20,000		160,000
Common stock issued through stock grants	186,666		173,332		177,998
Common stock issued through ESPP and Dividend Reinvestment Plan	31,203		19,013		31,108
Common stock repurchased and retired	(87,523	)	(121,544	)	(82,010	)
Shares outstanding at December 31,	83,879,779		83,313,677		83,193,310

Regular Quarterly Distributions Declared and Paid to Common Stockholders and Common OP Unit Non-Controlling Interests

The following regular quarterly distributions have been declared and paid to common stockholders and common OP Unit non-controlling interests since January 1, 2012:



Distribution Amount Per Share	For the Quarter Ending	Stockholder Record Date	Payment Date
$0.2188	March 31, 2012	March 30, 2012	April 13, 2012
$0.2188	June 30, 2012	June 29, 2012	July 13, 2012
$0.2188	September 30, 2012	September 28, 2012	October 12, 2012
$0.2188	December 31, 2012	December 14, 2012	December 28, 2012
$0.2500	March 31, 2013	March 28, 2013	April 12, 2013
$0.2500	June 30, 2013	June 28, 2013	July 12, 2013
$0.2500	September 30, 2013	September 27, 2013	October 11, 2013
$0.2500	December 31, 2013	December 27, 2013	January 10, 2014
$0.3250	March 31, 2014	March 28, 2014	April 11, 2014
$0.3250	June 30, 2014	June 27, 2014	July 11, 2014
$0.3250	September 30, 2014	September 26, 2014	October 10, 2014
$0.3250	December 31, 2014	December 26, 2014	January 9, 2015