The following is a summary of properties owned or leased by the Company as of March 31, 2018 and December 31, 2017 (in thousands):

As of March 31, 2018 (unaudited):


Property Location	Land		Buildings, Improvements and Equipment		Construction in Progress		Total Cost
Atlanta, Georgia (Atlanta-Metro)	$	20,416	$	461,668	$	24,705	$	506,789
Irving, Texas		8,606		326,024		69,317		403,947
Richmond, Virginia		2,180		254,868		63,007		320,055
Chicago, Illinois		9,400		95,691		128,587		233,678
Suwanee, Georgia (Atlanta-Suwanee)		3,521		168,759		3,266		175,546
Ashburn, Virginia (3)		—		158		170,741		170,899
Piscataway, New Jersey		7,466		84,122		38,898		130,486
Santa Clara, California (1)		—		100,450		7,052		107,502
Dulles, Virginia		3,154		77,569		3,952		84,675
Sacramento, California		1,481		64,438		16		65,935
Leased Facilities (2)		—		57,499		6,417		63,916
Fort Worth, Texas		9,079		18,423		34,887		62,389
Princeton, New Jersey		20,700		32,987		595		54,282
Phoenix, Arizona (3)		—		—		28,269		28,269
Hillsboro, Oregon (3)		—		—		31,593		31,593
Manassas, Virginia (3)		—		—		24,717		24,717
Other (4)		2,212		35,666		35		37,913
	$	88,215	$	1,778,322	$	636,054	$	2,502,591

(1)

Owned facility subject to long-term ground sublease.

(2)

Includes 11 facilities. All facilities are leased, including those subject to capital leases.

(3)

Represent land purchases. Land acquisition costs, as well as subsequent development costs, are included within construction in progress until development on the land has ended and the asset is ready for its intended use.

(4)

Consists of Miami, FL; Lenexa, KS and Overland Park, KS facilities.

As of December 31, 2017:


Property Location	Land		Buildings, Improvements and Equipment		Construction in Progress		Total Cost
Atlanta, Georgia (Atlanta-Metro)	$	20,416	$	452,836	$	28,614	$	501,866
Irving, Texas		8,606		276,894		86,320		371,820
Richmond, Virginia		2,180		254,603		61,888		318,671
Chicago, Illinois		9,400		81,463		135,479		226,342
Suwanee, Georgia (Atlanta-Suwanee)		3,521		165,915		3,620		173,056
Ashburn, Virginia (3)		—		—		106,952		106,952
Piscataway, New Jersey		7,466		83,251		37,807		128,524
Santa Clara, California (1)		—		100,028		6,989		107,017
Dulles, Virginia		3,154		76,239		3,565		82,958
Sacramento, California		1,481		64,251		58		65,790
Leased Facilities (2)		—		59,460		5,534		64,994
Fort Worth, Texas		9,079		17,894		33,774		60,747
Princeton, New Jersey		20,700		32,948		451		54,099
Phoenix, Arizona (3)		—		—		27,402		27,402
Hillsboro, Oregon (3)		—		—		29,278		29,278
Other (4)		2,213		35,505		88		37,806
	$	88,216	$	1,701,287	$	567,819	$	2,357,322

(1)

Owned facility subject to long-term ground sublease.

(2)

Includes 11 facilities. All facilities are leased, including those subject to capital leases.

(3)

(4)

Consists of Miami, FL; Lenexa, KS; Overland Park, KS; and Duluth, GA facilities.