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Share-Based Compensation - Textual (Details) - USD ($) $ / shares in Units, $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2023 | Dec. 31, 2022
Restricted Stock Units (RSUs) [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Number of nonvested shares outstanding | 608,000 | 743,000
Weighted average grant-date fair value per share | $ 85.01 | $ 69.01
Total unrecognized compensation cost related to restricted stock units granted | $ 32,572 | $ 28,653
Unrecognized compensation cost related to restricted stock units, weighted average period | 1 year 7 months 6 days | 1 year 6 months
Restricted Stock Units, Service-Based RSUs [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Number of nonvested shares outstanding | 515,000 |
Performance Restricted Stock Units (PRSUs) [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Number of nonvested shares outstanding | 93,000 |
Weighted average grant-date fair value per share | $ 100.79 | $ 85.49

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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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