Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flow from operating activities
Net income	$ 36,697	$ 26,333
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	25,843	25,027
Straight line rent	(1,737)	3,783
Amortization of Deferred financing costs	845	642
Amortization of lease contracts above and below market value	(116)	(593)
Compensation paid with Company common shares	1,769	5,290
Changes in operating assets and liabilities
Rents and other receivables	(97)	(3,599)
Deferred costs	(1,611)	(1,474)
Prepaid expenses and other assets	61	(2,052)
Accounts payable and accrued liabilities	(4,599)	1,916
Accrued interest payable	(5,309)	(8,816)
Prepaid rents and other liabilities	(407)	2,635
Net cash provided by operating activities	51,339	49,092
Cash flow from investing activities
Investments in real estate – development	(52,302)	(57,584)
Land acquisition costs - related party	(20,168)	0
Interest capitalized for real estate under development	(3,183)	(2,856)
Improvements to real estate	(2,099)	(574)
Additions to non-real estate property	(123)	(176)
Net cash used in investing activities	(77,875)	(61,190)
Line of credit:
Proceeds	60,000	90,000
Repayments of Lines of Credit	(60,000)	0
Proceeds from Issuance of Common Stock	275,797	0
Equity compensation (payments) proceeds	7,007	(7,489)
Payments for Repurchase of Common Stock	0	(31,912)
Dividends and distributions:
Common shares	(31,070)	(27,745)
Preferred shares	(6,811)	(6,811)
Redeemable noncontrolling interests – operating partnership	(7,084)	(6,484)
Net cash provided by financing activities	237,839	9,559
Net increase (decrease) in cash and cash equivalents	211,303	(2,539)
Cash and cash equivalents, beginning	31,230	29,598
Cash and cash equivalents, ending	242,533	27,059
Supplemental information:
Cash paid for interest	20,063	19,930
Deferred financing costs capitalized for real estate under development	217	231
Construction costs payable capitalized for real estate under development	21,247	25,482
Redemption of operating partnership units	6,101	598
Adjustments to redeemable noncontrolling interests – operating partnership	131,582	(5,878)
DuPont Fabros Technology, L.P. [Member]
Cash flow from operating activities
Net income	36,697	26,333
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	25,843	25,027
Straight line rent	(1,737)	3,783
Amortization of Deferred financing costs	845	642
Amortization of lease contracts above and below market value	(116)	(593)
Compensation paid with Company common shares	1,769	5,290
Changes in operating assets and liabilities
Rents and other receivables	(97)	(3,599)
Deferred costs	(1,611)	(1,474)
Prepaid expenses and other assets	61	(2,052)
Accounts payable and accrued liabilities	(4,599)	1,916
Accrued interest payable	(5,309)	(8,816)
Prepaid rents and other liabilities	(407)	2,635
Net cash provided by operating activities	51,339	49,092
Cash flow from investing activities
Investments in real estate – development	(52,302)	(57,584)
Land acquisition costs - related party	(20,168)	0
Interest capitalized for real estate under development	(3,183)	(2,856)
Improvements to real estate	(2,099)	(574)
Additions to non-real estate property	(123)	(176)
Net cash used in investing activities	(77,875)	(61,190)
Line of credit:
Proceeds	60,000	90,000
Repayments of Lines of Credit	(60,000)	0
Proceeds from Issuance of Common Stock	275,797	0
Equity compensation (payments) proceeds	7,007	(7,489)
Payments for Repurchase of Common Stock	0	(31,912)
Distributions	(44,965)	(41,040)
Dividends and distributions:
Net cash provided by financing activities	237,839	9,559
Net increase (decrease) in cash and cash equivalents	211,303	(2,539)
Cash and cash equivalents, beginning	27,015	25,380
Cash and cash equivalents, ending	238,318	22,841
Supplemental information:
Cash paid for interest	20,063	19,930
Deferred financing costs capitalized for real estate under development	217	231
Construction costs payable capitalized for real estate under development	21,247	25,482
Redemption of operating partnership units	6,101	598
Adjustments to redeemable noncontrolling interests – operating partnership	$ 130,066	$ (8,635)