Investments - Contractual Maturity (Details) - USD ($) $ in Thousands |
Sep. 30, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Amortized Cost | ||
| Less than 12 months | $ 281,748 | $ 1,045,120 |
| 12 months or greater | 107,020 | 310,494 |
| Amortized Cost | 388,768 | 1,355,614 |
| Fair Value | ||
| Less than 12 months | 281,748 | 1,039,333 |
| 12 months or greater | 107,020 | 293,610 |
| Fair Value | 388,768 | 1,332,943 |
| Accrued interest income | $ 2,100 | $ 3,000 |
| X | ||||||||||
- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next twelve months following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). No definition available.
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- Definition Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after twelve months following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). No definition available.
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- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- References No definition available.
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| X | ||||||||||
- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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