Schedule III Properties And Accumulated Depreciation (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) property	Dec. 31, 2019 USD ($) property	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	291	225
Encumbrances	$ 239,000
Land, Initial costs	1,140,622
Acquired ground lease, Initial costs	12,317
Buildings and improvements, Initial costs	12,148,052
Improvements, Costs capitalized subsequent to acquisition	9,841,997
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	1,106,392
Acquired ground lease, Total costs	10,308
Buildings and improvements, Total costs	22,026,288
Total	23,142,988	$ 16,886,592	$ 17,055,016	$ 16,915,936
Accumulated depreciation and amortization	$ (5,555,221)	$ (4,536,169)	$ (3,935,267)	$ (3,238,227)
Operating
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	248	172
North America
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	125
Encumbrances	$ 239,000
Land, Initial costs	760,397
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	6,731,879
Improvements, Costs capitalized subsequent to acquisition	7,131,621
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	760,009
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	13,863,888
Total	14,623,897
Accumulated depreciation and amortization	$ (4,301,813)
Northern Virginia
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	24
Encumbrances	$ 104,000
Land, Initial costs	198,989
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	1,712,144
Improvements, Costs capitalized subsequent to acquisition	2,187,605
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	216,041
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	3,882,697
Total	4,098,738
Accumulated depreciation and amortization	$ (887,079)
Chicago
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	10
Encumbrances	$ 0
Land, Initial costs	95,444
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	1,320,334
Improvements, Costs capitalized subsequent to acquisition	977,634
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	105,830
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	2,287,582
Total	2,393,412
Accumulated depreciation and amortization	$ (601,875)
Silicon Valley
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	20
Encumbrances	$ 0
Land, Initial costs	153,145
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	919,499
Improvements, Costs capitalized subsequent to acquisition	537,828
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	150,910
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	1,459,562
Total	1,610,472
Accumulated depreciation and amortization	$ (546,797)
Dallas
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	21
Encumbrances	$ 0
Land, Initial costs	66,489
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	338,284
Improvements, Costs capitalized subsequent to acquisition	1,010,243
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	58,900
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	1,356,116
Total	1,415,016
Accumulated depreciation and amortization	$ (535,422)
New York
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	13
Encumbrances	$ 0
Land, Initial costs	17,301
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	474,561
Improvements, Costs capitalized subsequent to acquisition	756,411
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	17,042
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	1,231,231
Total	1,248,273
Accumulated depreciation and amortization	$ (573,828)
Phoenix
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	3
Encumbrances	$ 0
Land, Initial costs	17,239
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	416,097
Improvements, Costs capitalized subsequent to acquisition	332,714
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	11,859
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	754,191
Total	766,050
Accumulated depreciation and amortization	$ (333,416)
San Francisco
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	4
Encumbrances	$ 0
Land, Initial costs	41,165
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	358,066
Improvements, Costs capitalized subsequent to acquisition	244,015
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	41,478
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	601,768
Total	643,246
Accumulated depreciation and amortization	$ (220,149)
Seattle
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	1
Encumbrances	$ 135,000
Land, Initial costs	43,110
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	329,283
Improvements, Costs capitalized subsequent to acquisition	5,058
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	43,110
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	334,341
Total	377,451
Accumulated depreciation and amortization	$ (24,299)
Boston
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	4
Encumbrances	$ 0
Land, Initial costs	19,255
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	259,939
Improvements, Costs capitalized subsequent to acquisition	93,660
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	18,029
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	354,825
Total	372,854
Accumulated depreciation and amortization	$ (140,488)
Toronto
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	2
Encumbrances	$ 0
Land, Initial costs	33,994
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	117,540
Improvements, Costs capitalized subsequent to acquisition	216,551
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	21,018
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	347,067
Total	368,085
Accumulated depreciation and amortization	$ (30,540)
Atlanta
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	4
Encumbrances	$ 0
Land, Initial costs	6,537
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	264,948
Improvements, Costs capitalized subsequent to acquisition	65,363
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	6,552
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	330,296
Total	336,848
Accumulated depreciation and amortization	$ (79,678)
Los Angeles
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	4
Encumbrances	$ 0
Land, Initial costs	40,627
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	126,769
Improvements, Costs capitalized subsequent to acquisition	111,501
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	39,933
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	238,964
Total	278,897
Accumulated depreciation and amortization	$ (122,487)
Portland
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	2
Encumbrances	$ 0
Land, Initial costs	1,689
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	3,131
Improvements, Costs capitalized subsequent to acquisition	235,685
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	4,264
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	236,241
Total	240,505
Accumulated depreciation and amortization	$ (33,945)
Houston
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	6
Encumbrances	$ 0
Land, Initial costs	6,965
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	23,492
Improvements, Costs capitalized subsequent to acquisition	148,818
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	6,594
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	172,681
Total	179,275
Accumulated depreciation and amortization	$ (91,316)
Austin
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	1
Encumbrances	$ 0
Land, Initial costs	1,177
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	4,877
Improvements, Costs capitalized subsequent to acquisition	71,521
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	1,177
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	76,398
Total	77,575
Accumulated depreciation and amortization	$ (19,703)
Miami
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	2
Encumbrances	$ 0
Land, Initial costs	2,964
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	29,793
Improvements, Costs capitalized subsequent to acquisition	35,202
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	2,964
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	64,995
Total	67,959
Accumulated depreciation and amortization	$ (27,534)
Minneapolis St Paul
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	1
Encumbrances	$ 0
Land, Initial costs	10,190
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	20,054
Improvements, Costs capitalized subsequent to acquisition	3,191
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	10,190
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	23,245
Total	33,435
Accumulated depreciation and amortization	$ (6,206)
Charlotte
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	3
Encumbrances	$ 0
Land, Initial costs	4,117
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	13,068
Improvements, Costs capitalized subsequent to acquisition	13,282
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	4,118
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	26,349
Total	30,467
Accumulated depreciation and amortization	(15,048)
Other North America
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Land, Initial costs	0
Acquired ground lease, Initial costs	0
Improvements, Costs capitalized subsequent to acquisition	85,339
Carry costs, Costs capitalized subsequent to acquisition	0
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	85,339
Total	85,339
Accumulated depreciation and amortization	$ (12,003)
EMEA
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	110
Encumbrances	$ 0
Land, Initial costs	357,473
Acquired ground lease, Initial costs	12,317
Buildings and improvements, Initial costs	5,274,760
Improvements, Costs capitalized subsequent to acquisition	2,047,628
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	330,240
Acquired ground lease, Total costs	10,308
Buildings and improvements, Total costs	7,351,630
Total	7,692,178
Accumulated depreciation and amortization	$ (993,629)
London
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	19
Encumbrances	$ 0
Land, Initial costs	138,063
Acquired ground lease, Initial costs	7,355
Buildings and improvements, Initial costs	1,527,932
Improvements, Costs capitalized subsequent to acquisition	661,636
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	82,673
Acquired ground lease, Total costs	6,695
Buildings and improvements, Total costs	2,245,618
Total	2,334,986
Accumulated depreciation and amortization	$ (574,308)
Amsterdam
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	17
Encumbrances	$ 0
Land, Initial costs	40,709
Acquired ground lease, Initial costs	3,518
Buildings and improvements, Initial costs	1,001,157
Improvements, Costs capitalized subsequent to acquisition	335,317
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	64,074
Acquired ground lease, Total costs	3,512
Buildings and improvements, Total costs	1,313,115
Total	1,380,701
Accumulated depreciation and amortization	$ (156,730)
Frankfurt
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	21
Encumbrances	$ 0
Land, Initial costs	34,621
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	1,032,780
Improvements, Costs capitalized subsequent to acquisition	496,372
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	38,085
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	1,525,688
Total	1,563,773
Accumulated depreciation and amortization	$ (58,427)
Dublin
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	8
Encumbrances	$ 0
Land, Initial costs	11,722
Acquired ground lease, Initial costs	1,444
Buildings and improvements, Initial costs	136,827
Improvements, Costs capitalized subsequent to acquisition	181,109
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	8,538
Acquired ground lease, Total costs	101
Buildings and improvements, Total costs	322,463
Total	331,102
Accumulated depreciation and amortization	$ (108,544)
Paris
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	12
Encumbrances	$ 0
Land, Initial costs	69,350
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	277,141
Improvements, Costs capitalized subsequent to acquisition	163,419
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	70,354
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	439,556
Total	509,910
Accumulated depreciation and amortization	$ (27,337)
Marseille
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	4
Encumbrances	$ 0
Land, Initial costs	1,105
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	314,106
Improvements, Costs capitalized subsequent to acquisition	26,035
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	1,196
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	340,050
Total	341,246
Accumulated depreciation and amortization	$ (10,549)
Vienna
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	2
Encumbrances	$ 0
Land, Initial costs	14,159
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	363,062
Improvements, Costs capitalized subsequent to acquisition	12,698
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	14,502
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	375,417
Total	389,919
Accumulated depreciation and amortization	$ (13,888)
Zurich
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	3
Encumbrances	$ 0
Land, Initial costs	20,605
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	34,934
Improvements, Costs capitalized subsequent to acquisition	127,385
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	22,307
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	160,617
Total	182,924
Accumulated depreciation and amortization	$ (3,427)
Stockholm
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	6
Encumbrances	$ 0
Land, Initial costs	0
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	101,470
Improvements, Costs capitalized subsequent to acquisition	8,378
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	0
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	109,848
Total	109,848
Accumulated depreciation and amortization	$ (7,021)
Madrid
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	3
Encumbrances	$ 0
Land, Initial costs	8,456
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	132,011
Improvements, Costs capitalized subsequent to acquisition	9,691
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	8,662
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	141,496
Total	150,158
Accumulated depreciation and amortization	$ (4,769)
Copenhagen
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	3
Encumbrances	$ 0
Land, Initial costs	11,665
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	110,925
Improvements, Costs capitalized subsequent to acquisition	4,991
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	11,956
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	115,625
Total	127,581
Accumulated depreciation and amortization	$ (4,039)
Brussels]
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	2
Encumbrances	$ 0
Land, Initial costs	3,874
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	119,077
Improvements, Costs capitalized subsequent to acquisition	6,217
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	3,968
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	125,200
Total	129,168
Accumulated depreciation and amortization	$ (3,808)
Dusseldorf
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	2
Encumbrances	$ 0
Land, Initial costs	0
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	36,303
Improvements, Costs capitalized subsequent to acquisition	2,998
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	0
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	39,301
Total	39,301
Accumulated depreciation and amortization	$ (1,710)
Geneva
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	1
Encumbrances	$ 0
Land, Initial costs	0
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	20,071
Improvements, Costs capitalized subsequent to acquisition	716
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	0
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	20,787
Total	20,787
Accumulated depreciation and amortization	$ (9,869)
Manchester
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	1
Encumbrances	$ 0
Land, Initial costs	0
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	23,918
Improvements, Costs capitalized subsequent to acquisition	(7,029)
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	0
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	16,889
Total	16,889
Accumulated depreciation and amortization	$ (6,063)
Other Metros in EMEA
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	6
Encumbrances	$ 0
Land, Initial costs	3,144
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	43,046
Improvements, Costs capitalized subsequent to acquisition	17,695
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	3,925
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	59,960
Total	63,885
Accumulated depreciation and amortization	$ (3,140)
Asia Pacific
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	13
Encumbrances	$ 0
Land, Initial costs	22,752
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	141,413
Improvements, Costs capitalized subsequent to acquisition	662,748
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	16,143
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	810,770
Total	826,913
Accumulated depreciation and amortization	$ (259,779)
Singapore
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	3
Encumbrances	$ 0
Land, Initial costs	0
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	137,545
Improvements, Costs capitalized subsequent to acquisition	418,856
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	0
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	556,401
Total	556,401
Accumulated depreciation and amortization	$ (190,246)
Sydney
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	4
Encumbrances	$ 0
Land, Initial costs	18,285
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	3,868
Improvements, Costs capitalized subsequent to acquisition	125,154
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	12,771
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	134,536
Total	147,307
Accumulated depreciation and amortization	$ (29,680)
Melbourne
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	2
Encumbrances	$ 0
Land, Initial costs	4,467
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	0
Improvements, Costs capitalized subsequent to acquisition	113,896
Carry costs, Costs capitalized subsequent to acquisition	0
Land, Total costs	3,372
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	114,991
Total	118,363
Accumulated depreciation and amortization	$ (39,651)
Other in Asia Pacific
Real Estate and Accumulated Depreciation [Line Items]
Number of Data Centers | property	4
Encumbrances	$ 0
Land, Initial costs	0
Acquired ground lease, Initial costs	0
Buildings and improvements, Initial costs	0
Improvements, Costs capitalized subsequent to acquisition	4,842
Carry costs, Costs capitalized subsequent to acquisition	0
Acquired ground lease, Total costs	0
Buildings and improvements, Total costs	4,842
Total	4,842
Accumulated depreciation and amortization	$ (202)