Fair Value Accounting - Roll-forward of Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - Other Investments - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 13,115	$ 11,655	$ 12,560	$ 11,172
Included in earnings	456	(43)	435	(71)
Additions	852	158	1,428	669
Ending balance	14,423	11,770	14,423	11,770
Total net gains (losses) for the period included in earnings attributable to the change in unrealized gain/(losses) relating to assets/liabilities still held	$ 456	$ (43)	$ 435	$ (71)

Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3) and still held.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).

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Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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