Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015		Dec. 31, 2014
ASSETS
Land	$ 83,793		$ 83,793
Buildings and improvements	2,624,963		2,623,539
Income producing property	2,708,756		2,707,332
Less: accumulated depreciation	(528,539)		(504,869)
Net income producing property	2,180,217		2,202,463
Construction in progress and land held for development	410,870	[1]	358,965
Net real estate	2,591,087		2,561,428
Cash and cash equivalents	27,059		29,598
Rents and other receivables	11,712		8,113
Deferred rent	138,582		142,365
Lease contracts above market value, net	7,779		8,054
Deferred costs, net	38,029		38,495
Prepaid expenses and other assets	50,431		48,295
Total assets	2,864,679		2,836,348
Liabilities:
Line of credit	150,000		60,000
Mortgage notes payable	115,000		115,000
Unsecured Term Loan	250,000		250,000
Unsecured notes payable	600,000		600,000
Accounts payable and accrued liabilities	28,529		26,973
Construction costs payable	25,482		32,949
Accrued interest payable	1,943		10,759
Dividend and distribution payable	39,685		39,981
Lease contracts below market value, net	6,169		7,037
Prepaid rents and other liabilities	67,824		65,174
Total liabilities	1,284,632		1,207,873
Redeemable noncontrolling interests - operating partnership	503,901		513,134
Commitments and contingencies	0		0
Stockholders’ equity:
Common stock, $.001 par value, 250,000,000 shares authorized, 65,375,225 shares issued and outstanding at March 31, 2015 and 66,061,804 shares issued and outstanding at December 31, 2014	65		66
Additional paid in capital	724,831		764,025
Retained earnings (accumulated deficit)	0		0
Total stockholders’ equity	1,076,146		1,115,341
Total liabilities and stockholders’ equity	2,864,679		2,836,348
Series A Preferred Stock [Member]
Stockholders’ equity:
Preferred stock, $.001 par value, 50,000,000 shares authorized	185,000		185,000
Series B Preferred Stock [Member]
Stockholders’ equity:
Preferred stock, $.001 par value, 50,000,000 shares authorized	166,250		166,250
DuPont Fabros Technology, L.P. [Member]
ASSETS
Land	83,793		83,793
Buildings and improvements	2,624,963		2,623,539
Income producing property	2,708,756		2,707,332
Less: accumulated depreciation	(528,539)		(504,869)
Net income producing property	2,180,217		2,202,463
Construction in progress and land held for development	410,870		358,965
Net real estate	2,591,087		2,561,428
Cash and cash equivalents	22,841		25,380
Rents and other receivables	11,712		8,113
Deferred rent	138,582		142,365
Lease contracts above market value, net	7,779		8,054
Deferred costs, net	38,029		38,495
Prepaid expenses and other assets	50,431		48,295
Total assets	2,860,461		2,832,130
Liabilities:
Line of credit	150,000		60,000
Mortgage notes payable	115,000		115,000
Unsecured Term Loan	250,000		250,000
Unsecured notes payable	600,000		600,000
Accounts payable and accrued liabilities	28,529		26,973
Construction costs payable	25,482		32,949
Accrued interest payable	1,943		10,759
Dividend and distribution payable	39,685		39,981
Lease contracts below market value, net	6,169		7,037
Prepaid rents and other liabilities	67,824		65,174
Total liabilities	1,284,632		1,207,873
Redeemable noncontrolling interests - operating partnership	503,901		513,134
Redeemable partnership units	503,901		513,134
Commitments and contingencies	0		0
Stockholders’ equity:
Total liabilities and stockholders’ equity	2,860,461		2,832,130
Partners’ capital:
General partner’s capital, common units, 662,373 issued and outstanding at March 31, 2015 and December 31, 2014	7,302		7,619
Total partners’ capital	1,071,928		1,111,123
DuPont Fabros Technology, L.P. [Member] | Series A Preferred Stock [Member]
Partners’ capital:
Limited partners' capital	185,000		185,000
DuPont Fabros Technology, L.P. [Member] | Series B Preferred Stock [Member]
Partners’ capital:
Limited partners' capital	166,250		166,250
Series A cumulative redeemable perpetual preferred units [Member] | DuPont Fabros Technology, L.P. [Member]
Partners’ capital:
Limited partners' capital	185,000		185,000
Series B cumulative redeemable perpetual preferred units [Member] | DuPont Fabros Technology, L.P. [Member]
Partners’ capital:
Limited partners' capital	166,250		166,250
Limited partners' common units [Member] | DuPont Fabros Technology, L.P. [Member]
Partners’ capital:
Limited partners' capital	$ 713,376		$ 752,254

[1] (1)Properties located in Ashburn, VA (ACC7 Phases II-IV and ACC8); Piscataway, NJ (NJ1 Phase II), Elk Grove Village, IL (CH2) and Santa Clara, CA (SC1 Phase IIB and SC2).