Restrictions on Cash and Due from Banks (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Restrictions on Cash and Due from Banks
Amount of minimum average reserve balances required to be maintained	$ 0	$ 0
Balances at the Federal Reserve Bank and other financial institutions	$ 28,000	$ 224,400

Amount of cash subject to withdrawal restrictions, restricted deposits held as compensating balances, and cash and securities segregated in compliance with regulations (such as cash deposited in a special reserve account for the exclusive benefit of customers).

No definition available.

Name:	us-gaap_CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant