Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) shares in Thousands, $ in Millions	1 Months Ended			12 Months Ended
	Aug. 31, 2024	Aug. 31, 2017	Jun. 30, 2015	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Summary Of Significant Accounting Policies [Line Items]
Transfer of loans to loans held for sale				$ 8.8
Forecast period				2 years
Historical loss experience period				1 year
Properties for which formal foreclosure proceedings are in process				$ 4.6	$ 1.6
Award vesting period				1 year
Anti-dilutive common stock options and warrants (in shares)				3,500	2,400	188
Noncumulative Preferred Stock
Summary Of Significant Accounting Policies [Line Items]
Common stock issued in acquisition (in shares)	6,000	4,000	4,600
Residential mortgage and home equity
Summary Of Significant Accounting Policies [Line Items]
Number of days past due of loans to be full or partial charged-off				120 days
Automobile
Summary Of Significant Accounting Policies [Line Items]
Number of days past due of loans to be fully charged-off				120 days
Unsecured loans at banks
Summary Of Significant Accounting Policies [Line Items]
Number of days past due of loans to be fully charged-off				150 days
Minimum
Summary Of Significant Accounting Policies [Line Items]
Premises and equipment, useful life				3 years
Minimum | Commitments under commercial loans and lines of credit
Summary Of Significant Accounting Policies [Line Items]
Number of days past due of loans to be full or partial charged-off				90 days
Maximum
Summary Of Significant Accounting Policies [Line Items]
Premises and equipment, useful life				40 years
Maximum | Commitments under commercial loans and lines of credit
Summary Of Significant Accounting Policies [Line Items]
Number of days past due of loans to be full or partial charged-off				120 days