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Summary of Significant Accounting Policies - Revenue - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Capitalized Contract Cost [Line Items] |  |  |  |  |
Storage rental | $ 751,070 | $ 708,056 | $ 2,870,119 | $ 2,754,091 | $ 2,681,087
Service | 496,976 | 373,984 | $ 1,621,412 | 1,393,179 | 1,581,497
Commissions asset |  |  |  |  |
Capitalized Contract Cost [Line Items] |  |  |  |  |
Capitalized contract cost, amortization period |  |  | 3 years |  |
Intake Costs asset |  |  |  |  |
Capitalized Contract Cost [Line Items] |  |  |  |  |
Capitalized contract cost, amortization period |  |  | 3 years |  |
GLOBAL DATA CENTER BUSINESS |  |  |  |  |
Capitalized Contract Cost [Line Items] |  |  |  |  |
Storage rental | 87,451 | 67,157 | $ 289,592 | 263,695 | 246,925
Service |  |  | 37,306 | 15,617 | 10,226
GLOBAL DATA CENTER BUSINESS | Power and connectivity |  |  |  |  |
Capitalized Contract Cost [Line Items] |  |  |  |  |
Storage rental | $ 28,318 | $ 13,133 | $ 62,185 | $ 47,451 | $ 43,269

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- Definition Amortization period of cost capitalized in obtaining or fulfilling contract with customer, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123353750&loc=SL49131251-203054 + Details
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- Definition Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=124258985&loc=SL77919372-209981 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123420820&loc=SL77919311-209978 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 6A -URI http://asc.fasb.org/extlink&oid=124502072&loc=SL77927221-108306 + Details
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