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Income Taxes - Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Reconciliation of Unrecognized Tax Benefits [Roll Forward] |  |  |
Unrecognized tax benefits, beginning of period | $ 130,144 | $ 139,529 | $ 135,910
Gross increase to positions in prior years | 1,182 | 14,450 | 570
Gross decrease to positions in prior years | (8,666) | (2,786) | (19,709)
Gross increases to current period tax positions | 10,967 | 4,702 | 31,456
Audit settlements | (3,234) | 0 | 0
Decrease related to lapsing of statute of limitations | (2,000) | (23,164) | (4,535)
Effect of change in exchange rates | 1,674 | (2,587) | (4,163)
Unrecognized tax benefits, end of period | 130,067 | 130,144 | 139,529
The amount of unrecognized tax benefits that, if recognized, would affect our effective tax rate | 129,591 | 130,137 | 139,503
Net interest and penalties expense (benefit) | 1,821 | 4,665 | $ (1,097)
Accrued interest | 9,794 | 7,575 |
Accrued penalties | $ 466 | $ 567 |

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- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-15A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 10B -Publisher FASB -URI https://asc.fasb.org//1943274/2147482525/740-10-45-10B + Details
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- Definition Amount of statutory penalties accrued for a tax position claimed or expected to be claimed by the entity, in its tax return. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-15 + Details
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