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Summary of Significant Accounting Policies - Schedule of Carrying Value of Goodwill, by Reporting Unit (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Goodwill
Goodwill	$ 4,441,030	$ 4,070,267
North American Records and Information Management Business | North American Records And Information Management
Goodwill
Goodwill	2,251,795	2,269,446
North American Data Management Business | North American Data Management
Goodwill
Goodwill	493,491	497,851
Corporate and Other Business | Consumer Storage
Goodwill
Goodwill	0	0
Corporate and Other Business | Fine Arts
Goodwill
Goodwill	35,526	25,298
Corporate and Other Business | Entertainment Services
Goodwill
Goodwill	34,233	34,750
Western European Business | Western Europe
Goodwill
Goodwill	381,806	396,489
Other International Business | NEE and MEAI
Goodwill
Goodwill		188,265
Other International Business | NEE And MEI
Goodwill
Goodwill	169,780
Other International Business | Latin America
Goodwill
Goodwill	136,099	155,115
Other International Business | Australia and New Zealand
Goodwill
Goodwill		316,883
Other International Business | ANZ SA
Goodwill
Goodwill	300,204
Other International Business | Asia
Goodwill
Goodwill	212,140	186,170
Global Data Center Business | Global Data Center
Goodwill
Goodwill	$ 425,956	$ 0

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266

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+ References

No definition available.

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