Allowance for Credit Losses on Loans and Off-Balance Sheet Credit Exposures - Schedule of Modifications Past Due Status (Details) $ in Thousands	Mar. 31, 2025 USD ($)
Residential real estate | Non-revolving residential real estate | Current
Financing Receivable, Allowance for Credit Loss [Line Items]
Performance loans modified	$ 12
Residential real estate | Non-revolving residential real estate | Past Due 30-89 Days
Financing Receivable, Allowance for Credit Loss [Line Items]
Performance loans modified	0
Residential real estate | Non-revolving residential real estate | Past Due 90 Days and Over
Financing Receivable, Allowance for Credit Loss [Line Items]
Performance loans modified	0
Commercial Real Estate | Non-residential commercial real estate | Current
Financing Receivable, Allowance for Credit Loss [Line Items]
Performance loans modified	2,849
Commercial Real Estate | Non-residential commercial real estate | Past Due 30-89 Days
Financing Receivable, Allowance for Credit Loss [Line Items]
Performance loans modified	0
Commercial Real Estate | Non-residential commercial real estate | Past Due 90 Days and Over
Financing Receivable, Allowance for Credit Loss [Line Items]
Performance loans modified	0
Commercial | Current
Financing Receivable, Allowance for Credit Loss [Line Items]
Performance loans modified	44
Commercial | Past Due 30-89 Days
Financing Receivable, Allowance for Credit Loss [Line Items]
Performance loans modified	0
Commercial | Past Due 90 Days and Over
Financing Receivable, Allowance for Credit Loss [Line Items]
Performance loans modified	$ 0