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Summary of Significant Accounting Policies - Customer Relationships and Acquisition Costs and Other Intangible Assets (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Amortizable intangible assets |  |  |
Amortization | $ 250,309 | $ 248,611 | $ 215,350
Included in Depreciation and Amortization |  |  |
Estimated amortization expense for existing intangible assets for the next five succeeding fiscal years |  |  |
2024 | 187,933 |  |
2025 | 173,432 |  |
2026 | 156,946 |  |
2027 | 127,284 |  |
2028 | 116,387 |  |
Thereafter | 533,747 |  |
Customer and supplier relationship intangible assets |  |  |
Amortizable intangible assets |  |  |
GROSS CARRYING AMOUNT | 2,144,641 | 2,162,154 |
ACCUMULATED AMORTIZATION | (933,084) | (823,392) |
NET CARRYING AMOUNT | 1,211,557 | 1,338,762 |
Amortization | $ 153,128 | 156,779 | 117,761
Customer and supplier relationship intangible assets | Minimum |  |  |
Amortizable intangible assets |  |  |
Useful life of finite-lived intangible assets | 10 years |  |
Customer and supplier relationship intangible assets | Maximum |  |  |
Amortizable intangible assets |  |  |
Useful life of finite-lived intangible assets | 30 years |  |
Customer Inducements |  |  |
Amortizable intangible assets |  |  |
GROSS CARRYING AMOUNT | $ 47,565 | 47,794 |
ACCUMULATED AMORTIZATION | (25,562) | (26,158) |
NET CARRYING AMOUNT | $ 22,003 | 21,636 |
Customer Inducements, Current Record Management Vendor Or Payments To Customers | Minimum |  |  |
Amortizable intangible assets |  |  |
Useful life of finite-lived intangible assets | 1 year |  |
Customer Inducements, Current Record Management Vendor Or Payments To Customers | Maximum |  |  |
Amortizable intangible assets |  |  |
Useful life of finite-lived intangible assets | 10 years |  |
Data center in-place leases and tenant relationships |  |  |
Amortizable intangible assets |  |  |
Amortization | $ 22,322 | 16,955 | 42,333
Data center lease-based intangible assets |  |  |
Amortizable intangible assets |  |  |
GROSS CARRYING AMOUNT | 141,628 | 272,649 |
ACCUMULATED AMORTIZATION | (95,422) | (209,902) |
NET CARRYING AMOUNT | 46,206 | 62,747 |
GROSS CARRYING AMOUNT | 10,873 | 12,831 |
ACCUMULATED AMORTIZATION | (5,772) | (7,806) |
NET CARRYING AMOUNT | 5,101 | 5,025 |
Third-party commissions asset and other |  |  |
Amortizable intangible assets |  |  |
GROSS CARRYING AMOUNT | 77,638 | 83,297 |
ACCUMULATED AMORTIZATION | (39,323) | (28,581) |
NET CARRYING AMOUNT | 38,315 | 54,716 |
Amortization | 12,541 | 16,148 | 6,987
Customer inducements and data center above-market and below-market leases |  |  |
Amortizable intangible assets |  |  |
Amortization | 7,036 | $ 8,119 | $ 8,852
Customer inducements and data center above-market and below-market leases | Amortization Expense Charged To Revenues |  |  |
Estimated amortization expense for existing intangible assets for the next five succeeding fiscal years |  |  |
2024 | 5,982 |  |
2025 | 3,494 |  |
2026 | 2,607 |  |
2027 | 2,096 |  |
2028 | 1,729 |  |
Thereafter | $ 1,343 |  |

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