Investments in equity (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Investments, Debt and Equity Securities [Abstract] | |||
| Debt securities, available for sale, cumulative amount advanced under subscription agreements | $ 10,800 | $ 13,100 | $ 14,000 |
| Decrease in fair value | 13,900 | (3,300) | 200 |
| Carrying value of subscriptions | 79,500 | 54,400 | 46,800 |
| Commitment to acquire future investments | 137,100 | 102,200 | 66,400 |
| Investments in equity securities recorded at cost | 2,500 | 3,500 | 0 |
| Payment for investments | 0 | 1,500 | 0 |
| Impairment charge related to equity securities | 1,000 | 0 | 0 |
| Available for sale investments | $ 0 | $ 0 | $ 1,954 |
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- Definition Commitment To Acquire Long-Term Investments No definition available.
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| X | ||||||||||
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of impairment loss on investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of cash outflow to acquire investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as investing activity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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