Business Combinations - Interxion Acquisition (Details) - USD ($) $ in Thousands		6 Months Ended
	Mar. 09, 2020	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019
Business Acquisition [Line Items]
Operating lease right-of-use assets, net		$ 1,375,427	$ 628,681
Goodwill		7,791,522	$ 3,363,070
Goodwill related to acquisition		4,465,788
Finance lease obligations		$ (47,957)
Customer Relationship Value
Business Acquisition [Line Items]
Weighted average remaining intangible amortization life (in months)	15 years
Acquired in-place lease value
Business Acquisition [Line Items]
Weighted average remaining intangible amortization life (in months)		5 years 9 months 18 days
InterXion
Business Acquisition [Line Items]
Land	$ 159,467	$ 159,467		$ 0
Building and improvements (including finance lease right-of-use assets)	3,246,522	3,246,522		0
Construction in progress	273,590	273,590		0
Land held for development	33,447	33,447		0
Operating lease right-of-use assets, net	556,865	556,865		0
Cash and cash equivalents	108,548	108,548		0
Accounts receivables	218,868	218,868		0
Goodwill	4,443,856	4,424,262
Goodwill related to acquisition	4,400,000	4,443,856
Customer relationship value		1,001,568		0
Goodwill		4,443,856		0
Other intangibles	44,943	44,943
Accounts payable and other accrued liabilities	(230,585)	(230,585)		0
Finance lease obligations	(47,957)
Operating lease liabilities	(556,865)	(556,865)		0
Deferred tax liability, net	(535,990)	(535,990)		0
Other working capital liabilities, net	(68,947)	(68,947)		0
Equity consideration	6,985,052
InterXion | Global revolving credit facilities, net
Business Acquisition [Line Items]
Long term debt	(130,327)	(130,327)		0
InterXion | Mortgage Loans [Member]
Business Acquisition [Line Items]
Long term debt	(74,316)
InterXion | Unsecured Debt
Business Acquisition [Line Items]
Long term debt	(1,457,635)	$ (1,457,635)		$ 0
InterXion | Tenant relationship value
Business Acquisition [Line Items]
Customer relationship value	1,001,568
InterXion | Previously Reported
Business Acquisition [Line Items]
Land	310,310
Building and improvements (including finance lease right-of-use assets)	3,003,378
Construction in progress	311,702
Land held for development	33,447
Operating lease right-of-use assets, net	526,399
Cash and cash equivalents	108,548
Accounts receivables	218,868
Goodwill	4,192,504
Accounts payable and other accrued liabilities	(230,585)
Finance lease obligations	(47,957)
Operating lease liabilities	(526,399)
Deferred tax liability, net	(559,291)
Other working capital liabilities, net	(68,947)
Equity consideration	6,975,252
InterXion | Previously Reported | Global revolving credit facilities, net
Business Acquisition [Line Items]
Long term debt	(128,282)
InterXion | Previously Reported | Mortgage Loans [Member]
Business Acquisition [Line Items]
Long term debt	(74,316)
InterXion | Previously Reported | Unsecured Debt
Business Acquisition [Line Items]
Long term debt	(1,434,666)
InterXion | Previously Reported | Tenant relationship value
Business Acquisition [Line Items]
Customer relationship value	1,340,539
InterXion | Restatement Adjustment
Business Acquisition [Line Items]
Land	(150,843)
Building and improvements (including finance lease right-of-use assets)	243,144
Construction in progress	(38,112)
Operating lease right-of-use assets, net	30,466
Goodwill	251,352
Other intangibles	44,943
Operating lease liabilities	(30,466)
Deferred tax liability, net	23,301
Equity consideration	9,800
InterXion | Restatement Adjustment | Global revolving credit facilities, net
Business Acquisition [Line Items]
Long term debt	(2,045)
InterXion | Restatement Adjustment | Unsecured Debt
Business Acquisition [Line Items]
Long term debt	(22,969)
InterXion | Restatement Adjustment | Tenant relationship value
Business Acquisition [Line Items]
Customer relationship value	$ (338,971)