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Balance Sheet Components - Net Book Value of Intangible Assets by Geographic Regions (Detail) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets, net beginning balance |  | $ 2,102,389 | $ 2,333,296 | $ 2,384,972
ASC 842 adoption adjustment |  |  | (23,205) |
Intangible assets acquired during period |  |  | 1,568 |
Write-off of intangible asset |  |  |  | (1,998)
Purchase consideration for asset acquisition | $ 64,905 |  |  |
Amortization of intangibles |  | (199,047) | (196,278) | (203,416)
Impact of foreign currency exchange |  | 45,817 | (9,469) | (48,680)
Intangible assets, net ending balance | 2,170,945 | 2,170,945 | 2,102,389 | 2,333,296
New York 12 |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Asset sales - NY12 data center |  |  | (8,412) |
Infomart Dallas |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  |  |  | 65,847
Metronode |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  |  |  | 128,229
Other 2018 acquisitions |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  |  |  | 8,342
Switch AMS1 |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  |  | 4,889 |
Axtel |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  | 22,750 |  |
Packet Host, Inc. |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  | 58,500 |  |
Bell Acquisition |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  | 75,631 |  |
Americas |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets, net beginning balance |  | 1,443,292 | 1,578,971 | 1,646,373
ASC 842 adoption adjustment |  |  | (108) |
Intangible assets acquired during period |  |  | 0 |
Write-off of intangible asset |  |  |  | (334)
Purchase consideration for asset acquisition | 0 |  |  |
Amortization of intangibles |  | (133,608) | (125,390) | (125,683)
Impact of foreign currency exchange |  | (3,476) | (1,769) | (7,232)
Intangible assets, net ending balance | 1,463,089 | 1,463,089 | 1,443,292 | 1,578,971
Americas | New York 12 |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Asset sales - NY12 data center |  |  | (8,412) |
Americas | Infomart Dallas |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  |  |  | 65,847
Americas | Metronode |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  |  |  | 0
Americas | Other 2018 acquisitions |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  |  |  | 0
Americas | Switch AMS1 |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  |  | 0 |
Americas | Axtel |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  | 22,750 |  |
Americas | Packet Host, Inc. |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  | 58,500 |  |
Americas | Bell Acquisition |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  | 75,631 |  |
EMEA |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets, net beginning balance |  | 466,564 | 543,860 | 631,219
ASC 842 adoption adjustment |  |  | (20,692) |
Intangible assets acquired during period |  |  | 1,096 |
Write-off of intangible asset |  |  |  | (1,661)
Purchase consideration for asset acquisition | 64,905 |  |  |
Amortization of intangibles |  | (49,417) | (54,432) | (62,283)
Impact of foreign currency exchange |  | 35,975 | (8,157) | (31,757)
Intangible assets, net ending balance | 518,027 | 518,027 | 466,564 | 543,860
EMEA | New York 12 |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Asset sales - NY12 data center |  |  | 0 |
EMEA | Infomart Dallas |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  |  |  | 0
EMEA | Metronode |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  |  |  | 0
EMEA | Other 2018 acquisitions |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  |  |  | 8,342
EMEA | Switch AMS1 |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  |  | 4,889 |
EMEA | Axtel |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  | 0 |  |
EMEA | Packet Host, Inc. |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  | 0 |  |
EMEA | Bell Acquisition |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  | 0 |  |
Asia-Pacific |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets, net beginning balance |  | 192,533 | 210,465 | 107,380
ASC 842 adoption adjustment |  |  | (2,405) |
Intangible assets acquired during period |  |  | 472 |
Write-off of intangible asset |  |  |  | (3)
Purchase consideration for asset acquisition | 0 |  |  |
Amortization of intangibles |  | (16,022) | (16,456) | (15,450)
Impact of foreign currency exchange |  | 13,318 | 457 | (9,691)
Intangible assets, net ending balance | $ 189,829 | 189,829 | 192,533 | 210,465
Asia-Pacific | New York 12 |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Asset sales - NY12 data center |  |  | 0 |
Asia-Pacific | Infomart Dallas |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  |  |  | 0
Asia-Pacific | Metronode |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  |  |  | 128,229
Asia-Pacific | Other 2018 acquisitions |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  |  |  | $ 0
Asia-Pacific | Switch AMS1 |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  |  | $ 0 |
Asia-Pacific | Axtel |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  | 0 |  |
Asia-Pacific | Packet Host, Inc. |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  | 0 |  |
Asia-Pacific | Bell Acquisition |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired during period |  | $ 0 |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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