Fair Value Disclosures - Quantitative Information About Level 3 (Details)	Sep. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)
Mortgage and Installment | Collateral Other Than Real Estate
Asset Fair Value [Abstract]
Collateral dependent loans, fair value	$ 270,000	$ 450,000
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Mortgage Loan Servicing, net
Asset Fair Value [Abstract]
Servicing asset, fair value	$ 40,204,000	$ 42,243,000
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Mortgage Loan Servicing, net | Present value of net servicing revenue | Float rate
Ranges and Weighted Average [Abstract]
Servicing asset
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Mortgage Loan Servicing, net | Minimum | Present value of net servicing revenue | Discount rate
Ranges and Weighted Average [Abstract]
Servicing asset	0.1000	0.1000
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Mortgage Loan Servicing, net | Minimum | Present value of net servicing revenue | Cost to service
Ranges and Weighted Average [Abstract]
Servicing asset	69	70
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Mortgage Loan Servicing, net | Minimum | Present value of net servicing revenue | Ancillary income
Ranges and Weighted Average [Abstract]
Servicing asset	20	20
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Mortgage Loan Servicing, net | Minimum | Present value of net servicing revenue | Prepayment rate
Ranges and Weighted Average [Abstract]
Servicing asset	0.0656	0.0656
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Mortgage Loan Servicing, net | Maximum | Present value of net servicing revenue | Discount rate
Ranges and Weighted Average [Abstract]
Servicing asset	0.1499	0.1427
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Mortgage Loan Servicing, net | Maximum | Present value of net servicing revenue | Cost to service
Ranges and Weighted Average [Abstract]
Servicing asset	463	442
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Mortgage Loan Servicing, net | Maximum | Present value of net servicing revenue | Ancillary income
Ranges and Weighted Average [Abstract]
Servicing asset	30	30
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Mortgage Loan Servicing, net | Maximum | Present value of net servicing revenue | Prepayment rate
Ranges and Weighted Average [Abstract]
Servicing asset	0.2902	0.2647
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Mortgage Loan Servicing, net | Weighted Average | Present value of net servicing revenue | Discount rate
Ranges and Weighted Average [Abstract]
Servicing asset	0.1025	0.1025
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Mortgage Loan Servicing, net | Weighted Average | Present value of net servicing revenue | Cost to service
Ranges and Weighted Average [Abstract]
Servicing asset	79	79
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Mortgage Loan Servicing, net | Weighted Average | Present value of net servicing revenue | Ancillary income
Ranges and Weighted Average [Abstract]
Servicing asset	20	20
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Mortgage Loan Servicing, net | Weighted Average | Present value of net servicing revenue | Float rate
Ranges and Weighted Average [Abstract]
Servicing asset	0.0353	0.0382
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Mortgage Loan Servicing, net | Weighted Average | Present value of net servicing revenue | Prepayment rate
Ranges and Weighted Average [Abstract]
Servicing asset	0.1002	0.0850
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Commercial
Asset Fair Value [Abstract]
Collateral dependent loans, fair value	$ 4,385,000	$ 551,000
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Commercial | Accounts Receivable, Inventory and Machinery and Equipment
Asset Fair Value [Abstract]
Collateral dependent loans, fair value	$ 3,500,000
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Commercial | Minimum | Discounted cash flow | Discount rate
Ranges and Weighted Average [Abstract]
Impaired loans	0.400
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Commercial | Minimum | Sales comparison approach | Comparability adjustment
Ranges and Weighted Average [Abstract]
Impaired loans	(0.200)	(0.050)
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Commercial | Maximum | Discounted cash flow | Discount rate
Ranges and Weighted Average [Abstract]
Impaired loans	0.500
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Commercial | Maximum | Sales comparison approach | Comparability adjustment
Ranges and Weighted Average [Abstract]
Impaired loans	0.350	0.060
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Commercial | Weighted Average | Discounted cash flow | Discount rate
Ranges and Weighted Average [Abstract]
Impaired loans	0.428
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Commercial | Weighted Average | Sales comparison approach | Comparability adjustment
Ranges and Weighted Average [Abstract]
Impaired loans	(0.024)	(0.004)
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Mortgage and Installment
Asset Fair Value [Abstract]
Collateral dependent loans, fair value	$ 1,250,000	$ 1,468,000
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Mortgage and Installment | Minimum | Sales comparison approach | Comparability adjustment
Ranges and Weighted Average [Abstract]
Impaired loans	(0.127)	(0.041)
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Mortgage and Installment | Maximum | Sales comparison approach | Comparability adjustment
Ranges and Weighted Average [Abstract]
Impaired loans	0.217	0.105
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Mortgage and Installment | Weighted Average | Sales comparison approach | Comparability adjustment
Ranges and Weighted Average [Abstract]
Impaired loans	0.013	0.031