Subsequent Events (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2013

Dec. 31, 2012

Subsequent Events [Abstract]

Schedule of Subsequent Events

The following table presents certain information about the properties that the Company acquired from October 1, 2013 to November 6, 2013 (dollar amounts in thousands):

	No. of Buildings		Square Feet		Base Purchase Price(1)
Total Portfolio - September 30, 2013(2)		1,219		20,399,857	$	3,033,684
Acquisitions		109		13,624,593		2,126,441
Total portfolio - November 6, 2013(2)		1,328		34,024,450	$	5,160,125

(1) Contract purchase price, excluding acquisition and transaction related costs.

(2) Total portfolio excludes one vacant property contributed in September 2011, which was classified as held for sale at September 30, 2013.

The following table presents certain information about the properties that the Company acquired from January 1, 2013 to May 7, 2013 (dollar amounts in thousands):

	No. of Buildings		Square Feet		Base Purchase Price(1)
Total Portfolio - December 31, 2012(2)		653		15,421,465	$	1,798,436
Acquisitions		68		1,533,558		313,687
Total portfolio - May 7, 2013(2)		721		16,955,023	$	2,112,123

(1) Contract purchase price, excluding acquisition and transaction related costs.

(2) Total portfolio excludes one vacant property contributed in September 2011 which was classified as held for sale at December 31, 2012.