Investment Securities (Equity-Method Investments) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Equity-method investments	$ 17,358	$ 16,040
Mutual fund and hedge funds
Debt Securities, Available-for-sale [Line Items]
Equity-method investments	$ 17,358	$ 16,040

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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+ Details