Other Real Estate and Other Assets Acquired in Settlement of Loans - Foreclosure (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Other Real Estate [Abstract]
Consumer mortgage loans in process of foreclosure	$ 0.1	$ 0.0

Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 35
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL49126937-111524

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