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Summary of Significant Accounting Policies - Storage Rental (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Lessor, Lease, Description [Line Items] |  |  |  |
Storage rental | $ 718,614 | $ 696,294 | $ 2,144,942 | $ 2,056,797
GLOBAL DATA CENTER BUSINESS |  |  |  |
Lessor, Lease, Description [Line Items] |  |  |  |
Storage rental | 72,411 | 68,416 | 210,805 | 196,823
Storage Rental, Power and Connectivity | GLOBAL DATA CENTER BUSINESS |  |  |  |
Lessor, Lease, Description [Line Items] |  |  |  |
Storage rental | $ 14,639 | $ 12,033 | $ 42,333 | $ 34,986

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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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