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Cash, Cash Equivalents and Short-Term Investments - Narrative (Details) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 USD ($) investment | Jun. 30, 2023 USD ($) | Jun. 30, 2024 USD ($) investment | Jun. 30, 2023 USD ($) | Dec. 31, 2023 USD ($)
Cash and Cash Equivalents [Abstract] |  |  |  |  |
Cash in transit for credit and debit card transactions | $ | $ 21.2 |  | $ 21.2 |  | $ 17.0
Number of investments in unrealized loss positions | investment | 368 |  | 368 |  |
Number of security types | investment | 9 |  | 9 |  |
Number of security types in loss position | investment | 7 |  | 7 |  |
Unrealized losses, short term investments | $ | $ 15.8 |  | $ 15.8 |  | $ 21.3
Investment income | $ | $ 9.5 | $ 7.4 | $ 21.5 | $ 14.6 |

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- Definition Amount due the Entity as a result of customers utilizing point of sale debit or credit cards in exchange transactions with the entity which are short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. + References No definition available. + Details
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- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-4 + Details
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