Loans - Additional Information (Details)	3 Months Ended
	Mar. 31, 2026 USD ($) loan_portfolio	Dec. 31, 2025 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items]
Interest income on nonaccrual loans	$ 0
Number of loan portfolios | loan_portfolio	4
Off-balance sheet, credit loss, liability	$ 1,100,000	$ 1,300,000
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Mortgage loans in process of foreclosure, amount	$ 776,000	$ 795,000
Residential | Real Estate Loan
Financing Receivable, Allowance for Credit Loss [Line Items]
Maximum appraised value of property (in percent)	80.00%
Minimum | Consumer | Automobile Loan
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal repayment terms, period (in years)	3 years
Minimum | Consumer | Credit Card Receivable
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal repayment terms, period (in years)	1 year
Maximum | Consumer | Automobile Loan
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal repayment terms, period (in years)	7 years
Maximum | Consumer | Credit Card Receivable
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal repayment terms, period (in years)	5 years