Guarantors (Details) (USD $)	3 Months Ended		9 Months Ended										3 Months Ended		8 Months Ended	9 Months Ended		3 Months Ended		8 Months Ended	9 Months Ended		3 Months Ended		8 Months Ended	9 Months Ended		3 Months Ended		8 Months Ended	9 Months Ended		3 Months Ended		8 Months Ended	9 Months Ended		3 Months Ended		8 Months Ended	9 Months Ended		3 Months Ended		8 Months Ended	9 Months Ended		3 Months Ended		8 Months Ended	9 Months Ended		3 Months Ended		8 Months Ended	9 Months Ended		3 Months Ended		8 Months Ended	9 Months Ended		3 Months Ended		8 Months Ended	9 Months Ended		1 Months Ended		1 Months Ended																								0 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Jun. 25, 2014 Parent Company [Member]	Jan. 23, 2013 Parent Company [Member]	Sep. 30, 2014 CyrusOne LP [Member]	Sep. 30, 2014 CyrusOne GP [Member]	Jan. 23, 2013 CyrusOne GP [Member]	Sep. 30, 2014 Non-Guarantor [Member]	Sep. 30, 2014 CyrusOne L.P. [Member] LP Co-Issuer and Finance Co-Issuer [Member]	Sep. 30, 2014 Successor [Member]	Sep. 30, 2013 Successor [Member]	Sep. 30, 2013 Successor [Member]	Sep. 30, 2014 Successor [Member]	Dec. 31, 2013 Successor [Member]	Sep. 30, 2014 Successor [Member] Parent Company [Member]	Sep. 30, 2013 Successor [Member] Parent Company [Member]	Sep. 30, 2013 Successor [Member] Parent Company [Member]	Sep. 30, 2014 Successor [Member] Parent Company [Member]	Dec. 31, 2013 Successor [Member] Parent Company [Member]	Sep. 30, 2014 Successor [Member] CyrusOne LP [Member]	Sep. 30, 2013 Successor [Member] CyrusOne LP [Member]	Sep. 30, 2013 Successor [Member] CyrusOne LP [Member]	Sep. 30, 2014 Successor [Member] CyrusOne LP [Member]	Dec. 31, 2013 Successor [Member] CyrusOne LP [Member]	Sep. 30, 2014 Successor [Member] Eliminations [Member]	Sep. 30, 2013 Successor [Member] Eliminations [Member]	Sep. 30, 2013 Successor [Member] Eliminations [Member]	Sep. 30, 2014 Successor [Member] Eliminations [Member]	Dec. 31, 2013 Successor [Member] Eliminations [Member]	Sep. 30, 2014 Successor [Member] CyrusOne L.P. [Member]	Sep. 30, 2013 Successor [Member] CyrusOne L.P. [Member]	Sep. 30, 2013 Successor [Member] CyrusOne L.P. [Member]	Sep. 30, 2014 Successor [Member] CyrusOne L.P. [Member]	Dec. 31, 2013 Successor [Member] CyrusOne L.P. [Member]	Sep. 30, 2014 Successor [Member] CyrusOne L.P. [Member] LP Co-Issuer [Member]	Sep. 30, 2013 Successor [Member] CyrusOne L.P. [Member] LP Co-Issuer [Member]	Sep. 30, 2013 Successor [Member] CyrusOne L.P. [Member] LP Co-Issuer [Member]	Sep. 30, 2014 Successor [Member] CyrusOne L.P. [Member] LP Co-Issuer [Member]	Dec. 31, 2013 Successor [Member] CyrusOne L.P. [Member] LP Co-Issuer [Member]	Sep. 30, 2014 Successor [Member] CyrusOne L.P. [Member] Finance Co-Issuer [Member]	Sep. 30, 2013 Successor [Member] CyrusOne L.P. [Member] Finance Co-Issuer [Member]	Sep. 30, 2013 Successor [Member] CyrusOne L.P. [Member] Finance Co-Issuer [Member]	Sep. 30, 2014 Successor [Member] CyrusOne L.P. [Member] Finance Co-Issuer [Member]	Dec. 31, 2013 Successor [Member] CyrusOne L.P. [Member] Finance Co-Issuer [Member]	Sep. 30, 2014 Successor [Member] CyrusOne L.P. [Member] Guarantors [Member]	Sep. 30, 2013 Successor [Member] CyrusOne L.P. [Member] Guarantors [Member]	Sep. 30, 2013 Successor [Member] CyrusOne L.P. [Member] Guarantors [Member]	Sep. 30, 2014 Successor [Member] CyrusOne L.P. [Member] Guarantors [Member]	Dec. 31, 2013 Successor [Member] CyrusOne L.P. [Member] Guarantors [Member]	Sep. 30, 2014 Successor [Member] CyrusOne L.P. [Member] Non-Guarantor [Member]	Sep. 30, 2013 Successor [Member] CyrusOne L.P. [Member] Non-Guarantor [Member]	Sep. 30, 2013 Successor [Member] CyrusOne L.P. [Member] Non-Guarantor [Member]	Sep. 30, 2014 Successor [Member] CyrusOne L.P. [Member] Non-Guarantor [Member]	Dec. 31, 2013 Successor [Member] CyrusOne L.P. [Member] Non-Guarantor [Member]	Sep. 30, 2014 Successor [Member] CyrusOne L.P. [Member] Eliminations [Member]	Sep. 30, 2013 Successor [Member] CyrusOne L.P. [Member] Eliminations [Member]	Sep. 30, 2013 Successor [Member] CyrusOne L.P. [Member] Eliminations [Member]	Sep. 30, 2014 Successor [Member] CyrusOne L.P. [Member] Eliminations [Member]	Dec. 31, 2013 Successor [Member] CyrusOne L.P. [Member] Eliminations [Member]	Sep. 30, 2014 Successor [Member] General Partner [Member]	Sep. 30, 2013 Successor [Member] General Partner [Member]	Sep. 30, 2013 Successor [Member] General Partner [Member]	Sep. 30, 2014 Successor [Member] General Partner [Member]	Dec. 31, 2013 Successor [Member] General Partner [Member]	Jan. 23, 2013 Predecessor [Member]	Dec. 31, 2012 Predecessor [Member]	Jan. 23, 2013 Predecessor [Member] Parent Company [Member]	Jan. 23, 2013 Predecessor [Member] CyrusOne LP [Member]	Jan. 23, 2013 Predecessor [Member] Eliminations [Member]	Jan. 23, 2013 Predecessor [Member] CyrusOne L.P. [Member]	Jan. 23, 2013 Predecessor [Member] CyrusOne L.P. [Member] LP Co-Issuer [Member]	Jan. 23, 2013 Predecessor [Member] CyrusOne L.P. [Member] Finance Co-Issuer [Member]	Jan. 23, 2013 Predecessor [Member] CyrusOne L.P. [Member] Guarantors [Member]	Jan. 23, 2013 Predecessor [Member] CyrusOne L.P. [Member] Non-Guarantor [Member]	Jan. 23, 2013 Predecessor [Member] CyrusOne L.P. [Member] Eliminations [Member]	Jan. 23, 2013 Predecessor [Member] General Partner [Member]	Sep. 30, 2014 Revolving Credit Facility [Member]	Dec. 31, 2013 Revolving Credit Facility [Member]	Nov. 20, 2012 Revolving Credit Facility [Member]	Sep. 30, 2014 Revolving Credit Facility [Member] CyrusOne LP [Member]	Nov. 20, 2012 Revolving Credit Facility [Member] CyrusOne LP [Member]	Nov. 20, 2012 Letter of Credit [Member]	Nov. 20, 2012 Letter of Credit [Member] CyrusOne LP [Member]	Nov. 20, 2012 Swing Line Loans [Member]	Nov. 20, 2012 Swing Line Loans [Member] CyrusOne LP [Member]	Nov. 20, 2012 6.375% Senior Notes Due 2022 [Member]	Sep. 30, 2014 6.375% Senior Notes Due 2022 [Member] CyrusOne LP [Member]	Sep. 30, 2014 6.375% Senior Notes Due 2022 [Member] LP Co-Issuer and Finance Co-Issuer [Member]	Sep. 30, 2014 6.375% Senior Notes Due 2022 [Member] Successor [Member]	Dec. 31, 2013 6.375% Senior Notes Due 2022 [Member] Successor [Member]	Jun. 25, 2014 IPO [Member]	Jan. 25, 2013 IPO [Member] Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Amount received from initial public offering of common stock, net of underwriter's discount																																																																																														$ 371,700,000	$ 337,100,000
Combined interest held on completion of transactions						59.20%	33.90%		1.00%
Ownership percentage of senior notes												100.00%																																																																														100.00%
Ownership percentage of non-guarantors/subsidiaries	100.00%		100.00%					100.00%		100.00%	100.00%
Credit agreement amount																																																																																		225,000,000		225,000,000	50,000,000	50,000,000	30,000,000	30,000,000
Revolving credit agreement													30,000,000			30,000,000	0																																																															30,000,000	0		30,000,000
Condensed Consolidating Balance Sheets
Land	89,700,000		89,700,000		89,300,000								89,700,000			89,700,000	89,300,000	0			0	0	89,700,000			89,700,000	89,300,000	0			0	0	89,700,000			89,700,000	89,300,000	0			0	0	0			0	0	89,700,000			89,700,000	89,300,000	0			0	0	0			0	0	0			0	0
Buildings and improvements													796,600,000			796,600,000	783,700,000	0			0	0	796,600,000			796,600,000	783,700,000	0			0	0	796,600,000			796,600,000	783,700,000	0			0	0	0			0	0	753,100,000			753,100,000	739,600,000	43,500,000			43,500,000	44,100,000	0			0	0	0			0	0
Equipment	312,500,000		312,500,000		190,200,000								312,500,000			312,500,000	190,200,000	0			0	0	312,500,000			312,500,000	190,200,000	0			0	0	312,500,000			312,500,000	190,200,000	0			0	0	0			0	0	311,600,000			311,600,000	189,400,000	900,000			900,000	800,000	0			0	0	0			0	0
Construction in progress													120,900,000			120,900,000	57,300,000	0			0	0	120,900,000			120,900,000	57,300,000	1,100,000			1,100,000	0	120,900,000			120,900,000	57,300,000	0			0	0	0			0	0	119,800,000			119,800,000	57,300,000	0			0	0	1,100,000			1,100,000	0	0			0	0
Subtotal													1,319,700,000			1,319,700,000	1,120,500,000	0			0	0	1,319,700,000			1,319,700,000	1,120,500,000	1,100,000			1,100,000	0	1,319,700,000			1,319,700,000	1,120,500,000	0			0	0	0			0	0	1,274,200,000			1,274,200,000	1,075,600,000	44,400,000			44,400,000	44,900,000	1,100,000			1,100,000	0	0			0	0
Accumulated depreciation													(303,500,000)			(303,500,000)	(236,700,000)	0			0	0	(303,500,000)			(303,500,000)	(236,700,000)	0			0	0	(303,500,000)			(303,500,000)	(236,700,000)	0			0	0	0			0	0	(296,600,000)			(296,600,000)	(232,000,000)	(6,900,000)			(6,900,000)	(4,700,000)	0			0	0	0			0	0
Net investment in real estate													1,016,200,000			1,016,200,000	883,800,000	0			0	0	1,016,200,000			1,016,200,000	883,800,000	1,100,000			1,100,000	0	1,016,200,000			1,016,200,000	883,800,000	0			0	0	0			0	0	977,600,000			977,600,000	843,600,000	37,500,000			37,500,000	40,200,000	1,100,000			1,100,000	0	0			0	0
Cash and cash equivalents at end of period													30,400,000	213,200,000	213,200,000	30,400,000		0	0	0	0		30,400,000	213,200,000	213,200,000	30,400,000		0	0	0	0		30,400,000	213,200,000	213,200,000	30,400,000		0	0	0	0		0	0	0	0		27,400,000	211,800,000	211,800,000	27,400,000		3,000,000	1,400,000	1,400,000	3,000,000		0	0	0	0		0	0	0	0		12,300,000		0	12,300,000	0	12,300,000	100,000	0	11,200,000	1,000,000	0	0
Investment in subsidiary													0			0	0	472,200,000			472,200,000	322,000,000						(1,284,900,000)			(1,284,900,000)	(1,126,900,000)	0			0	0	801,100,000			801,100,000	795,000,000	0			0	0	4,200,000			4,200,000	2,100,000	0			0	0	(805,300,000)			(805,300,000)	(797,100,000)	7,400,000			7,400,000	7,800,000
Rent and other receivables													59,100,000			59,100,000	41,200,000	0			0	0	59,100,000			59,100,000	41,200,000	0			0	0	59,100,000			59,100,000	41,200,000	0			0	0	0			0	0	55,600,000			55,600,000	40,300,000	3,500,000			3,500,000	900,000	0			0	0	0			0	0
Intercompany receivable													0			0	0	0			0	0						(508,100,000)			(508,100,000)	(508,300,000)	0			0	0	508,100,000			508,100,000	508,100,000	0			0	0	0			0	200,000	0			0	0	(508,100,000)			(508,100,000)	(508,300,000)	0			0	0
Goodwill													276,200,000			276,200,000	276,200,000	0			0	0	276,200,000			276,200,000	276,200,000	0			0	0	276,200,000			276,200,000	276,200,000	0			0	0	0			0	0	276,200,000			276,200,000	276,200,000	0			0	0	0			0	0	0			0	0
Intangible assets, net													73,200,000			73,200,000	85,900,000	0			0	0	73,200,000			73,200,000	85,900,000	0			0	0	73,200,000			73,200,000	85,900,000	0			0	0	0			0	0	73,200,000			73,200,000	85,900,000	0			0	0	0			0	0	0			0	0
Due from affiliates													1,300,000			1,300,000	600,000	0			0	0	1,300,000			1,300,000	600,000	0			0	0	1,300,000			1,300,000	600,000	0			0	0	0			0	0	1,300,000			1,300,000	600,000	0			0	0	0			0	0	0			0	0
Other assets													81,600,000			81,600,000	70,300,000	0			0	0	81,600,000			81,600,000	70,300,000	0			0	0	81,600,000			81,600,000	70,300,000	11,500,000			11,500,000	14,100,000	0			0	0	66,800,000			66,800,000	53,000,000	3,300,000			3,300,000	3,200,000	0			0	0	0			0	0
Total assets													1,538,000,000			1,538,000,000	1,506,800,000	472,200,000			472,200,000	322,000,000	1,538,000,000			1,538,000,000	1,506,800,000	(1,791,900,000)			(1,791,900,000)	(1,635,200,000)	1,538,000,000			1,538,000,000	1,506,800,000	1,320,700,000			1,320,700,000	1,317,200,000	0			0	0	1,482,300,000			1,482,300,000	1,448,700,000	47,300,000			47,300,000	46,300,000	(1,312,300,000)			(1,312,300,000)	(1,305,400,000)	7,400,000			7,400,000	7,800,000
Accounts payable and accrued expenses													100,200,000			100,200,000	66,800,000	0			0	0	100,200,000			100,200,000	66,800,000	0			0	0	100,200,000			100,200,000	66,800,000	21,200,000			21,200,000	7,800,000	0			0	0	78,400,000			78,400,000	58,600,000	600,000			600,000	400,000	0			0	0	0			0	0
Deferred revenue													66,100,000			66,100,000	55,900,000	0			0	0	66,100,000			66,100,000	55,900,000	0			0	0	66,100,000			66,100,000	55,900,000	0			0	0	0			0	0	65,400,000			65,400,000	55,100,000	700,000			700,000	800,000	0			0	0	0			0	0
Intercompany and loan payable													0			0	0	0			0	0						(508,100,000)			(508,100,000)	(508,300,000)	0			0	0	0			0	0	0			0	0	508,100,000			508,100,000	508,100,000	0			0	200,000	(508,100,000)			(508,100,000)	(508,300,000)	0			0	0
Due to affiliates													7,400,000			7,400,000	8,500,000	0			0	0	7,400,000			7,400,000	8,500,000	0			0	0	7,400,000			7,400,000	8,500,000	5,600,000			5,600,000	6,800,000	0			0	0	1,800,000			1,800,000	1,700,000	0			0	0	0			0	0	0			0	0
Capital lease obligations													14,200,000			14,200,000	16,700,000	0			0	0	14,200,000			14,200,000	16,700,000	0			0	0	14,200,000			14,200,000	16,700,000	0			0	0	0			0	0	6,500,000			6,500,000	8,600,000	7,700,000			7,700,000	8,100,000	0			0	0	0			0	0
Long-term debt													555,000,000			555,000,000	525,000,000	0			0	0	555,000,000			555,000,000	525,000,000	0			0	0	555,000,000			555,000,000	525,000,000	555,000,000			555,000,000	525,000,000	0			0	0	0			0	0	0			0	0	0			0	0	0			0	0																						525,000,000		525,000,000	525,000,000	525,000,000
Other financing arrangements													55,100,000			55,100,000	56,300,000	0			0	0	55,100,000			55,100,000	56,300,000	0			0	0	55,100,000			55,100,000	56,300,000	0			0	0	0			0	0	21,000,000			21,000,000	21,600,000	34,100,000			34,100,000	34,700,000	0			0	0	0			0	0
Total liabilities													798,000,000			798,000,000	729,200,000	0			0	0	798,000,000			798,000,000	729,200,000	(508,100,000)			(508,100,000)	(508,300,000)	798,000,000			798,000,000	729,200,000	581,800,000			581,800,000	539,600,000	0			0	0	681,200,000			681,200,000	653,700,000	43,100,000			43,100,000	44,200,000	(508,100,000)			(508,100,000)	(508,300,000)	0			0	0
Total shareholders’ equity													473,300,000			473,300,000	322,000,000	472,200,000			472,200,000	322,000,000						(1,550,500,000)			(1,550,500,000)	(1,582,500,000)						738,900,000			738,900,000	777,600,000	0			0	0	801,100,000			801,100,000	795,000,000	4,200,000			4,200,000	2,100,000						7,400,000			7,400,000	7,800,000
Noncontrolling interest													266,700,000			266,700,000	455,600,000	0			0	0						266,700,000			266,700,000	455,600,000						0			0	0	0			0	0	0			0	0	0			0	0						0			0	0
Total equity													740,000,000	790,400,000	790,400,000	740,000,000	777,600,000	472,200,000			472,200,000	322,000,000	740,000,000			740,000,000	777,600,000	(1,283,800,000)			(1,283,800,000)	(1,126,900,000)	740,000,000			740,000,000	777,600,000	738,900,000			738,900,000	777,600,000	0			0	0	801,100,000			801,100,000	795,000,000	4,200,000			4,200,000	2,100,000	(804,200,000)			(804,200,000)	(797,100,000)	7,400,000			7,400,000	7,800,000		500,100,000
Total liabilities and parent’s net investment																	1,506,800,000					322,000,000										(1,635,200,000)										1,317,200,000					0					1,448,700,000					46,300,000										7,800,000
Total liabilities and equity													1,538,000,000			1,538,000,000	1,506,800,000	472,200,000			472,200,000		1,538,000,000			1,538,000,000	1,506,800,000	(1,791,900,000)			(1,791,900,000)		1,538,000,000			1,538,000,000	1,506,800,000	1,320,700,000			1,320,700,000	1,317,200,000	0			0	0	1,482,300,000			1,482,300,000	1,448,700,000	47,300,000			47,300,000	46,300,000	(1,312,300,000)			(1,312,300,000)	(1,305,400,000)	7,400,000			7,400,000
Condensed Consolidating Statements of Operations
Revenue													84,800,000	67,500,000	176,100,000	244,000,000		0	0	0	0		84,800,000	67,500,000	176,100,000	244,000,000		0	0	0	0		84,800,000	67,500,000	176,100,000	244,000,000		0	0	0	0		0	0	0	0		83,000,000	66,400,000	173,400,000	239,600,000		1,800,000	1,100,000	2,700,000	4,400,000		0	0	0	0		0	0	0	0		15,100,000		0	15,100,000	0		0	0	14,900,000	200,000		0
Costs and expenses:
Property operating expenses													33,000,000	24,200,000	64,100,000	92,500,000		0	0	0	0		33,000,000	24,200,000	64,100,000	92,500,000		0	0	0	0		33,000,000	24,200,000	64,100,000	92,500,000		0	0	0	0		0	0	0	0		32,200,000	23,700,000	62,500,000	90,500,000		800,000	500,000	1,600,000	2,000,000		0	0	0	0		0	0	0	0		4,800,000		0	4,800,000	0		0	0	4,800,000	0		0
Sales and marketing													3,200,000	2,300,000	7,300,000	9,700,000		0	0	0	0		3,200,000	2,300,000	7,300,000	9,700,000		0	0	0	0		3,200,000	2,300,000	7,300,000	9,700,000		0	0	0	0		0	0	0	0		3,200,000	2,200,000	7,100,000	9,600,000		0	100,000	200,000	100,000		0	0	0	0		0	0	0	0		700,000		0	700,000	0		0	0	700,000	0		0
General and administrative													9,000,000	7,200,000	19,700,000	24,700,000		0	0	0	0		9,000,000	7,200,000	19,700,000	24,700,000		0	0	0	0		9,000,000	7,200,000	19,700,000	24,700,000		0	0	0	0		0	0	0	0		8,900,000	7,100,000	19,600,000	24,500,000		100,000	100,000	100,000	200,000		0	0	0	0		0	0	0	0		1,500,000		0	1,500,000	0		0	0	1,400,000	100,000		0
Transaction-related compensation													0	0	0	0							0	0	0	0																																										20,000,000		0	20,000,000	0		0	0	20,000,000	0		0
Depreciation and amortization													30,000,000	23,900,000	63,300,000	87,400,000		0	0	0	0		30,000,000	23,900,000	63,300,000	87,400,000		0	0	0	0		30,000,000	23,900,000	63,300,000	87,400,000		0	0	0	0		0	0	0	0		29,200,000	23,200,000	61,300,000	85,100,000		800,000	700,000	2,000,000	2,300,000		0	0	0	0		0	0	0	0		5,300,000		0	5,300,000	0		0	0	5,200,000	100,000		0
Restructuring charges													0	700,000	700,000	0			0	0			0	700,000	700,000	0			0	0				700,000	700,000				0	0				0	0				700,000	700,000				0	0				0	0				0	0			0			0
Transaction costs													0	700,000	1,100,000	900,000		0	0	0	0		0	700,000	1,100,000	900,000		0	0	0	0		0	700,000	1,100,000	900,000		0	0	0	0		0	0	0	0		0	700,000	1,100,000	900,000		0	0	0	0		0	0	0	0		0	0	0	0		100,000		0	100,000	0		0	0	100,000	0		0
Total costs and expenses													75,200,000	59,000,000	156,200,000	215,200,000		0	0	0	0		75,200,000	59,000,000	156,200,000	215,200,000		0	0	0	0		75,200,000	59,000,000	156,200,000	215,200,000		0	0	0	0		0	0	0	0		73,500,000	57,600,000	152,300,000	210,600,000		1,700,000	1,400,000	3,900,000	4,600,000		0	0	0	0		0	0	0	0		32,400,000		0	32,400,000	0		0	0	32,200,000	200,000		0
Operating income (loss)													9,600,000	8,500,000	19,900,000	28,800,000		0	0	0	0		9,600,000	8,500,000	19,900,000	28,800,000		0	0	0	0		9,600,000	8,500,000	19,900,000	28,800,000		0	0	0	0		0	0	0	0		9,500,000	8,800,000	21,100,000	29,000,000		100,000	(300,000)	(1,200,000)	(200,000)		0	0	0	0		0	0	0	0		(17,300,000)		0	(17,300,000)	0		0	0	(17,300,000)	0		0
Interest expense													9,000,000	10,500,000	29,700,000	30,400,000		0	0	0	0		9,000,000	10,500,000	29,700,000	30,400,000		(1,400,000)	0	0	(1,100,000)		9,000,000	10,500,000	29,700,000	30,400,000		9,600,000	9,200,000	26,500,000	28,900,000		0	0	0	0		0	400,000	1,300,000	0		800,000	900,000	1,900,000	2,600,000		(1,400,000)	0	0	(1,100,000)		0	0	0	0		2,500,000		0	2,500,000	0		2,300,000	0	100,000	100,000		0
Other income													0	(100,000)	(100,000)	0			0	0			0	(100,000)	(100,000)	0			0	0				(100,000)	(100,000)				0	0				0	0				(100,000)	(100,000)				0	0				0	0				0	0			0			0
Loss on extinguishment of debt													0	0	1,300,000	0			0	0			0	0	1,300,000	0			0	0				0	1,300,000				0	0				0	0				0	1,300,000				0	0				0	0				0	0			0			0
Income (loss) before income taxes													600,000	(1,900,000)	(11,000,000)	(1,600,000)		0	0	0	0		600,000	(1,900,000)	(11,000,000)	(1,600,000)		1,400,000	0	0	1,100,000		600,000	(1,900,000)	(11,000,000)	(1,600,000)		(9,600,000)	(9,200,000)	(26,500,000)	(28,900,000)		0	0	0	0		9,500,000	8,500,000	18,600,000	29,000,000		(700,000)	(1,200,000)	(3,100,000)	(2,800,000)		1,400,000	0	0	1,100,000		0	0	0	0		(19,800,000)		0	(19,800,000)	0		(2,300,000)	0	(17,400,000)	(100,000)		0
Income tax expense	(400,000)	(300,000)	(1,100,000)	(1,200,000)									(400,000)	(300,000)	(800,000)	(1,100,000)		0	0	0	0		(400,000)	(300,000)	(800,000)	(1,100,000)		0	0	0	0		(400,000)	(300,000)	(800,000)	(1,100,000)		0	0	0	0		0	0	0	0		(400,000)	(300,000)	(800,000)	(1,100,000)		0	0	0	0		0	0	0	0		0	0	0	0		(400,000)		0	(400,000)	0		0	0	(400,000)	0		0
Equity earnings (loss) related to investment in subsidiaries													0	0	0	0		(1,300,000)	(800,000)	(4,000,000)	(1,900,000)							(6,400,000)	(5,000,000)	(7,500,000)	(20,400,000)		0	0	0	0		8,400,000	7,000,000	14,700,000	25,100,000		0	0	0	0		(700,000)	(1,200,000)	(3,100,000)	(2,800,000)		0	0	0	0		(7,700,000)	(5,800,000)	(11,600,000)	(22,300,000)		0	0	(100,000)	0		0		0		18,000,000		(17,900,000)	0	(100,000)	0		0
Net income (loss)													200,000	(2,200,000)	(11,800,000)	(2,700,000)		(1,300,000)	(800,000)	(4,000,000)	(1,900,000)		200,000	(2,200,000)	(11,800,000)	(2,700,000)		(5,000,000)	(5,000,000)	(7,500,000)	(19,300,000)		200,000	(2,200,000)	(11,800,000)	(2,700,000)		(1,200,000)	(2,200,000)	(11,800,000)	(3,800,000)		0	0	0	0		8,400,000	7,000,000	14,700,000	25,100,000		(700,000)	(1,200,000)	(3,100,000)	(2,800,000)		(6,300,000)	(5,800,000)	(11,600,000)	(21,200,000)		0	0	(100,000)	0		(20,200,000)		0	(20,200,000)	18,000,000	(20,200,000)	(20,200,000)	0	(17,900,000)	(100,000)	18,000,000	0
Noncontrolling interest in net income (loss)													100,000	(1,400,000)	(7,800,000)	(1,900,000)		0	0	0	0							100,000	(1,400,000)	(7,800,000)	(1,900,000)							0	0	0	0		0	0	0	0		0	0	0	0		0	0	0	0							0	0	0	0
Net income (loss) attributed to common shareholders													100,000	(800,000)	(4,000,000)	(800,000)		(1,300,000)	(800,000)	(4,000,000)	(1,900,000)							(5,100,000)	(3,600,000)	300,000	(17,400,000)							(1,200,000)	(2,200,000)	(11,800,000)	(3,800,000)		0	0	0	0		8,400,000	7,000,000	14,700,000	25,100,000		(700,000)	(1,200,000)	(3,100,000)	(2,800,000)							0	0	(100,000)	0
Cash flows from operating activities:
Net income (loss)													200,000	(2,200,000)	(11,800,000)	(2,700,000)		(1,300,000)	(800,000)	(4,000,000)	(1,900,000)		200,000	(2,200,000)	(11,800,000)	(2,700,000)		(5,000,000)	(5,000,000)	(7,500,000)	(19,300,000)		200,000	(2,200,000)	(11,800,000)	(2,700,000)		(1,200,000)	(2,200,000)	(11,800,000)	(3,800,000)		0	0	0	0		8,400,000	7,000,000	14,700,000	25,100,000		(700,000)	(1,200,000)	(3,100,000)	(2,800,000)		(6,300,000)	(5,800,000)	(11,600,000)	(21,200,000)		0	0	(100,000)	0		(20,200,000)		0	(20,200,000)	18,000,000	(20,200,000)	(20,200,000)	0	(17,900,000)	(100,000)	18,000,000	0
Equity income (loss) related to investment in subsidiaries															0	0				4,000,000	1,900,000									7,500,000	20,400,000				0	0				(14,700,000)	(25,100,000)				0	0				3,100,000	2,800,000				0	0				11,600,000	22,300,000				100,000	0		0		0		(18,000,000)	0	17,900,000	0	100,000	0	(18,000,000)	0
Adjustments to reconcile net (loss) income to net cash provided by operating activities																																																																				5,900,000		0		0	5,900,000	200,000	0	5,600,000	100,000	0	0
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization													30,000,000	23,900,000	63,300,000	87,400,000		0	0	0	0		30,000,000	23,900,000	63,300,000	87,400,000		0	0	0	0		30,000,000	23,900,000	63,300,000	87,400,000		0	0	0	0		0	0	0	0		29,200,000	23,200,000	61,300,000	85,100,000		800,000	700,000	2,000,000	2,300,000		0	0	0	0		0	0	0	0		5,300,000		0	5,300,000	0		0	0	5,200,000	100,000		0
Noncash interest expense															1,200,000	2,700,000				0	0				1,200,000	2,700,000					0				1,200,000	2,700,000				2,600,000	2,600,000				0	0				(1,400,000)	100,000				0	0				0	0				0	0		100,000			100,000
Stock-based compensation expense															4,900,000	7,600,000				0	0				4,900,000	7,600,000					0				4,900,000	7,600,000				0	0				0	0				4,900,000	7,600,000				0	0				0	0				0	0		200,000			200,000
Provision for bad debt write off															300,000	900,000				0	0				300,000	900,000									300,000	900,000				0	0				0	0				300,000	900,000				0	0				0	0				0	0		0			0
Loss on extinguishment of debt													0	0	1,300,000	0			0	0			0	0	1,300,000	0			0	0				0	1,300,000				0	0				0	0				0	1,300,000				0	0				0	0				0	0			0			0
Change in operating assets and liabilities, net of effects of acquisitions:
Rent receivables and other assets															(900,000)	(31,300,000)				0	0				(900,000)	(31,300,000)					0				(900,000)	(31,300,000)				0	0				0	0				500,000	(28,600,000)				(1,400,000)	(2,700,000)				0	0				0	0		(9,600,000)		0	(9,600,000)	0	(9,600,000)	0	0	(9,600,000)	0	0	0
Accounts payable and accrued expenses															(11,300,000)	14,100,000				0	0				(11,300,000)	14,100,000					0				(11,300,000)	14,100,000				25,100,000	13,400,000				0	0				(36,700,000)	500,000				300,000	200,000				0	0				0	0		20,500,000		0	20,500,000	0	20,500,000	2,100,000	0	18,400,000	0	0	0
Deferred revenues															(900,000)	10,200,000				0	0				(900,000)	10,200,000					0				(900,000)	10,200,000				0	0				0	0				(1,000,000)	10,300,000				100,000	(100,000)				0	0				0	0		3,200,000			3,200,000
Due to affiliates															16,700,000	(600,000)				0	0				16,700,000	(600,000)					0				16,700,000	(600,000)				0	0				0	0				16,700,000	(600,000)				0	0				0	0				0	0		1,500,000		0	1,500,000	0	1,500,000	0	0	1,500,000	0	0	0
Other changes in assets and liabilities																																																																				3,900,000		0		0	3,900,000	0	0	3,800,000	100,000	0	0
Net cash (used in) provided by operating activities															62,800,000	88,300,000				0	0				62,800,000	88,300,000				0	1,100,000				62,800,000	88,300,000				1,200,000	(12,900,000)				0	0				63,700,000	103,200,000				(2,100,000)	(3,100,000)				0	1,100,000				0	0		2,000,000		0	2,000,000	0	2,000,000	0	0	1,900,000	100,000	0	0
Cash flows from investing activities:
Capital expenditures – acquisitions of real estate															(33,300,000)	0				0					(33,300,000)	0				0					(33,300,000)					0					0					(33,300,000)					0					0					0			0			0
Capital expenditures – other development															(124,600,000)	(194,900,000)				0	0				(124,600,000)	(194,900,000)				0	0				(124,600,000)	(194,900,000)				0	0				0	0				(124,500,000)	(194,700,000)				(100,000)	(200,000)				0	0				0	0		(7,700,000)		0	(7,700,000)	0	(7,700,000)	0	0	(7,700,000)	0	0	0
Release of restricted cash															4,400,000					0					4,400,000	0				0					4,400,000					0					0					4,400,000					0					0					0			1,900,000		0	1,900,000	0	1,900,000	0	0	1,900,000	0	0	0
Return of investment															0	0				(337,100,000)	38,700,000									674,200,000	(74,600,000)				0	0				(337,100,000)	49,000,000				0	0				0	(13,100,000)				0	0				337,100,000	(35,900,000)				0	0
Intercompany advances																0					0										0				0	0				0	0				0	0				0	200,000				0	(200,000)				0	0					0		0		0		0	0	100,000	0	(100,000)	0	0	0
Net cash provided by (used in) investing activities															(153,500,000)	(194,900,000)				(337,100,000)	38,700,000				(153,500,000)	(194,900,000)				674,200,000	(74,600,000)				(153,500,000)	(194,900,000)				(337,100,000)	49,000,000				0	0				(153,400,000)	(207,600,000)				(100,000)	(400,000)				337,100,000	(35,900,000)				0	0		(5,800,000)		0	(5,800,000)	0	(5,800,000)	100,000	0	(5,900,000)	0	0	0
Cash flows from financing activities:
Issuance of common stock/partnership units															360,500,000	355,900,000				360,500,000	355,900,000				337,100,000	0				(337,100,000)	0				337,100,000					337,100,000	0				0	0				0	0				0	0				0					0	0		0			0
Stock issuance costs															0	(1,300,000)					(1,300,000)										0										0					0					0					0										0		0
IPO costs															(23,400,000)	0				(23,400,000)										0										0					0					0					0										0			0
Acquisition of operating partnership units															0	(355,900,000)					(355,900,000)										0										0					0					0					0										0		0
Dividends paid															(20,700,000)	(37,400,000)				0	(37,400,000)				(20,700,000)	(37,400,000)				0	74,800,000				(20,700,000)	(37,400,000)				0	(37,400,000)				0	0				(20,700,000)	(37,400,000)				0	0				0	37,400,000				0	0		0			0
Borrowings from revolving credit agreement															0	30,000,000					0				0	30,000,000					0					30,000,000					30,000,000					0					0					0					0					0		0			0
Payments on capital leases and other financing arrangements															(3,700,000)	(3,100,000)				0	0				(3,700,000)	(3,100,000)				0	0				(3,700,000)	(3,100,000)				0	0				0	0				(3,200,000)	(2,700,000)				(500,000)	(400,000)				0	0				0	0		(600,000)		0	(600,000)	0	(600,000)	0	0	(600,000)	0	0	0
Payments to buyout capital leases															(9,600,000)	0				0					(9,600,000)	0				0					(9,600,000)					0					0					(9,600,000)					0					0					0			0			0
Payments to buyout other financing arrangements															(10,200,000)	0				0					(10,200,000)	0				0					(10,200,000)					0					0					(10,200,000)					0					0					0			0			0
Contributions (distributions) from parent guarantor															0	0				0	0				0	0				(337,100,000)	(1,300,000)				0	(1,300,000)				0	(28,700,000)				0	0				334,000,000	25,100,000				3,100,000	4,900,000				(337,100,000)	(2,600,000)				0	0		200,000		0	200,000	0	200,000	0	0	200,000	0	0	0
Debt issuance costs															(1,300,000)	0				0					(1,300,000)	0									(1,300,000)					(1,300,000)					0					0					0					0					0			0			0
Net cash (used in) provided by financing activities															291,600,000	(11,800,000)				337,100,000	(38,700,000)				291,600,000	(11,800,000)				(674,200,000)	73,500,000				291,600,000	(11,800,000)				335,800,000	(36,100,000)				0	0				290,300,000	(15,000,000)				2,600,000	4,500,000				(337,100,000)	34,800,000				0	0		(400,000)		0	(400,000)	0	(400,000)	0	0	(400,000)	0	0	0
Net increase (decrease) in cash and cash equivalents															200,900,000	(118,400,000)				0	0				200,900,000	(118,400,000)				0	0				200,900,000	(118,400,000)				(100,000)	0				0	0				200,600,000	(119,400,000)				400,000	1,000,000				0	0				0	0		(4,200,000)		0	(4,200,000)	0	(4,200,000)	100,000	0	(4,400,000)	100,000	0	0
Cash and cash equivalents at beginning of period															12,300,000	148,800,000				0	0				12,300,000	148,800,000				0	0				12,300,000	148,800,000				100,000	0				0	0				11,200,000	146,800,000				1,000,000	2,000,000				0	0				0	0		16,500,000		0	16,500,000	0	16,500,000	0	0	15,600,000	900,000	0	0
Cash and cash equivalents at end of period													$ 30,400,000	$ 213,200,000	$ 213,200,000	$ 30,400,000		$ 0	$ 0	$ 0	$ 0		$ 30,400,000	$ 213,200,000	$ 213,200,000	$ 30,400,000		$ 0	$ 0	$ 0	$ 0		$ 30,400,000	$ 213,200,000	$ 213,200,000	$ 30,400,000		$ 0	$ 0	$ 0	$ 0		$ 0	$ 0	$ 0	$ 0		$ 27,400,000	$ 211,800,000	$ 211,800,000	$ 27,400,000		$ 3,000,000	$ 1,400,000	$ 1,400,000	$ 3,000,000		$ 0	$ 0	$ 0	$ 0		$ 0	$ 0	$ 0	$ 0		$ 12,300,000		$ 0	$ 12,300,000	$ 0	$ 12,300,000	$ 100,000	$ 0	$ 11,200,000	$ 1,000,000	$ 0	$ 0