The following is a summary of properties owned or leased by the Company as of June 30, 2018 and December 31, 2017 (in thousands):

As of June 30, 2018 (unaudited):


			Buildings,
			Improvements		Construction
Property Location	Land		and Equipment		in Progress		Total Cost
Atlanta, Georgia (Atlanta-Metro)	$	20,416	$	463,246	$	30,336	$	513,998
Irving, Texas		8,606		325,474		94,348		428,428
Richmond, Virginia		2,180		253,122		65,797		321,099
Chicago, Illinois		9,400		98,366		134,579		242,345
Suwanee, Georgia (Atlanta-Suwanee)		3,521		168,813		3,834		176,168
Ashburn, Virginia (1)		17,326		57,822		122,651		197,799
Piscataway, New Jersey		7,466		84,745		39,411		131,622
Santa Clara, California (2)		—		97,610		7,112		104,722
Dulles, Virginia		3,154		76,521		4,143		83,818
Sacramento, California		1,481		64,476		77		66,034
Leased Facilities (3)		—		56,372		8,478		64,850
Fort Worth, Texas		9,078		18,394		36,094		63,566
Princeton, New Jersey		20,700		33,367		428		54,495
Phoenix, Arizona (1)		—		—		28,691		28,691
Hillsboro, Oregon (1)		—		—		34,420		34,420
Manassas, Virginia (1)		—		—		39,151		39,151
Other (4)		2,213		35,542		216		37,971
	$	105,541	$	1,833,870	$	649,766	$	2,589,177

(1)

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.

(2)

Owned facility subject to long-term ground sublease.

(3)

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

(4)

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

As of December 31, 2017:


			Buildings,
			Improvements		Construction
Property Location	Land		and Equipment		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 (1)		—		—		106,952		106,952
Piscataway, New Jersey		7,466		83,251		37,807		128,524
Santa Clara, California (2)		—		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 (3)		—		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 (1)		—		—		27,402		27,402
Hillsboro, Oregon (1)		—		—		29,278		29,278
Other (4)		2,213		35,505		88		37,806
	$	88,216	$	1,701,287	$	567,819	$	2,357,322

(1)

(2)

Owned facility subject to long-term ground sublease.

(3)

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

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