Borrowing Arrangements - Securities Sold under Repurchase Agreements (Details) - USD ($)	Sep. 30, 2023	Dec. 31, 2022
Borrowing Arrangements
Amount of securities sold under agreements	$ 0	$ 0

Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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+ Details