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Goodwill and Intangible Assets - Carrying Amounts of Amortizable Intangible Assets (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Finite-lived Intangible Assets [Roll Forward] |  |  |  |  |
Gross cost, beginning balance |  |  | $ 1,082,177 |  |
Addition due to an acquisition |  |  | 990 |  |
Intangible assets fully amortized |  |  | (1,026) |  |
Foreign currency translation impact |  |  | 5,009 |  |
Gross cost, ending balance | $ 1,087,150 |  | 1,087,150 |  |
Accumulated amortization | (568,035) |  | (568,035) |  | $ (497,463)
Finite-lived intangible assets, net | 519,115 |  | 519,115 |  | 584,714
Amortization of intangibles | 23,989 | $ 24,369 | 69,625 | $ 74,271 |
Customer Relationships |  |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |  |
Gross cost, beginning balance |  |  | 1,060,541 |  |
Addition due to an acquisition |  |  | 990 |  |
Intangible assets fully amortized |  |  | (987) |  |
Foreign currency translation impact |  |  | 4,970 |  |
Gross cost, ending balance | 1,065,514 |  | 1,065,514 |  |
Accumulated amortization | (553,279) |  | (553,279) |  | (486,260)
Finite-lived intangible assets, net | $ 512,235 |  | $ 512,235 |  | 574,281
Customer Relationships | Minimum |  |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |  |
Remaining amortization period | 6 years |  | 6 years |  |
Customer Relationships | Maximum |  |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |  |
Remaining amortization period | 13 years |  | 13 years |  |
Technology-related |  |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |  |
Gross cost, beginning balance |  |  | $ 11,200 |  |
Addition due to an acquisition |  |  | 0 |  |
Intangible assets fully amortized |  |  | (39) |  |
Foreign currency translation impact |  |  | 39 |  |
Gross cost, ending balance | $ 11,200 |  | 11,200 |  |
Accumulated amortization | (8,400) |  | (8,400) |  | (5,600)
Finite-lived intangible assets, net | $ 2,800 |  | $ 2,800 |  | 5,600
Remaining amortization period | 3 years |  | 3 years |  |
Other |  |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |  |
Gross cost, beginning balance |  |  | $ 10,436 |  |
Addition due to an acquisition |  |  | 0 |  |
Intangible assets fully amortized |  |  | 0 |  |
Foreign currency translation impact |  |  | 0 |  |
Gross cost, ending balance | $ 10,436 |  | 10,436 |  |
Accumulated amortization | (6,356) |  | (6,356) |  | (5,603)
Finite-lived intangible assets, net | $ 4,080 |  | $ 4,080 |  | $ 4,833
Other | Minimum |  |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |  |
Remaining amortization period | 4 years |  | 4 years |  |
Other | Maximum |  |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |  |
Remaining amortization period | 11 years |  | 11 years |  |

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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 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482686/350-30-45-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 928 -SubTopic 340 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483147/928-340-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
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