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Fair Value Disclosures - Quantitative Information About Level 3 (Details)	Mar. 31, 2026 USD ($)	Dec. 31, 2025 USD ($)
Mortgage and Installment | Collateral Other Than Real Estate
Ranges and Weighted Average [Abstract]
Loans receivable, fair value disclosure	$ 500,000	$ 370,000
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Income approach | Collateral dependent loans, commercial | Commercial
Ranges and Weighted Average [Abstract]
Loans receivable, fair value disclosure	$ 9,314,000	9,826,000
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Income approach | Capitalization rate | Collateral dependent loans, commercial | Commercial
Ranges and Weighted Average [Abstract]
Loans receivable, measurement input	0.100
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Sales comparison approach | Collateral dependent loans, commercial | Commercial | Loan Receivable 2
Ranges and Weighted Average [Abstract]
Loans receivable, fair value disclosure	$ 804,000	648,000
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Sales comparison approach | Collateral dependent loans, commercial | Mortgage and Installment
Ranges and Weighted Average [Abstract]
Loans receivable, fair value disclosure	1,447,000	1,094,000
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Discounting financial statement and machinery and equipment appraised values | Collateral dependent loans, commercial | Commercial
Ranges and Weighted Average [Abstract]
Loans receivable, fair value disclosure	$ 8,090,000	$ 7,010,000
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Minimum | Income approach | Discount rate | Collateral dependent loans, commercial | Commercial
Ranges and Weighted Average [Abstract]
Loans receivable, measurement input	0.100	0.090
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Minimum | Sales comparison approach | Adjustment for differences between comparable sales | Collateral dependent loans, commercial | Commercial | Loan Receivable 1
Ranges and Weighted Average [Abstract]
Loans receivable, measurement input	(0.500)	(0.500)
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Minimum | Sales comparison approach | Adjustment for differences between comparable sales | Collateral dependent loans, commercial | Commercial | Loan Receivable 2
Ranges and Weighted Average [Abstract]
Loans receivable, measurement input	(0.180)	(0.180)
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Minimum | Sales comparison approach | Adjustment for differences between comparable sales | Collateral dependent loans, commercial | Mortgage and Installment
Ranges and Weighted Average [Abstract]
Loans receivable, measurement input	(0.220)	(0.177)
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Minimum | Discounting financial statement and machinery and equipment appraised values | Discount rate | Collateral dependent loans, commercial | Commercial
Ranges and Weighted Average [Abstract]
Loans receivable, measurement input	0.320	0.400
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Maximum | Income approach | Discount rate | Collateral dependent loans, commercial | Commercial
Ranges and Weighted Average [Abstract]
Loans receivable, measurement input	0.160	0.160
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Maximum | Sales comparison approach | Adjustment for differences between comparable sales | Collateral dependent loans, commercial | Commercial | Loan Receivable 1
Ranges and Weighted Average [Abstract]
Loans receivable, measurement input	0.150	0.150
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Maximum | Sales comparison approach | Adjustment for differences between comparable sales | Collateral dependent loans, commercial | Commercial | Loan Receivable 2
Ranges and Weighted Average [Abstract]
Loans receivable, measurement input	0.420	0.650
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Maximum | Sales comparison approach | Adjustment for differences between comparable sales | Collateral dependent loans, commercial | Mortgage and Installment
Ranges and Weighted Average [Abstract]
Loans receivable, measurement input	0.151	0.169
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Maximum | Discounting financial statement and machinery and equipment appraised values | Discount rate | Collateral dependent loans, commercial | Commercial
Ranges and Weighted Average [Abstract]
Loans receivable, measurement input	0.650	0.650
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Weighted Average | Income approach | Discount rate | Collateral dependent loans, commercial | Commercial
Ranges and Weighted Average [Abstract]
Loans receivable, measurement input	0.142	0.135
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Weighted Average | Income approach | Capitalization rate | Collateral dependent loans, commercial | Commercial
Ranges and Weighted Average [Abstract]
Loans receivable, measurement input	0.100
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Weighted Average | Sales comparison approach | Adjustment for differences between comparable sales | Collateral dependent loans, commercial | Commercial | Loan Receivable 1
Ranges and Weighted Average [Abstract]
Loans receivable, measurement input	(0.006)	(0.006)
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Weighted Average | Sales comparison approach | Adjustment for differences between comparable sales | Collateral dependent loans, commercial | Commercial | Loan Receivable 2
Ranges and Weighted Average [Abstract]
Loans receivable, measurement input	0.087	0.087
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Weighted Average | Sales comparison approach | Adjustment for differences between comparable sales | Collateral dependent loans, commercial | Mortgage and Installment
Ranges and Weighted Average [Abstract]
Loans receivable, measurement input	0.003	0.002
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Weighted Average | Discounting financial statement and machinery and equipment appraised values | Discount rate | Collateral dependent loans, commercial | Commercial
Ranges and Weighted Average [Abstract]
Loans receivable, measurement input	0.388	0.472
Mortgage Loan Servicing, net | Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis
Asset Fair Value [Abstract]
Servicing asset, fair value	$ 32,233,000	$ 31,493,000
Mortgage Loan Servicing, net | Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Present value of net servicing revenue | Float rate
Ranges and Weighted Average [Abstract]
Servicing asset	0.0391	0.0375
Mortgage Loan Servicing, net | Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Minimum | Present value of net servicing revenue | Discount rate
Ranges and Weighted Average [Abstract]
Servicing asset	0.0950	0.0950
Mortgage Loan Servicing, net | Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Minimum | Present value of net servicing revenue | Cost to service (in US Dollars)
Ranges and Weighted Average [Abstract]
Servicing asset	69	69
Mortgage Loan Servicing, net | Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Minimum | Present value of net servicing revenue | Ancillary income (in US Dollars)
Ranges and Weighted Average [Abstract]
Servicing asset	20	20
Mortgage Loan Servicing, net | Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Minimum | Present value of net servicing revenue | Prepayment rate
Ranges and Weighted Average [Abstract]
Servicing asset	0.0539	0.0539
Mortgage Loan Servicing, net | Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Maximum | Present value of net servicing revenue | Discount rate
Ranges and Weighted Average [Abstract]
Servicing asset	0.1959	0.1865
Mortgage Loan Servicing, net | Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Maximum | Present value of net servicing revenue | Cost to service (in US Dollars)
Ranges and Weighted Average [Abstract]
Servicing asset	832	817
Mortgage Loan Servicing, net | Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Maximum | Present value of net servicing revenue | Ancillary income (in US Dollars)
Ranges and Weighted Average [Abstract]
Servicing asset	30	30
Mortgage Loan Servicing, net | Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Maximum | Present value of net servicing revenue | Prepayment rate
Ranges and Weighted Average [Abstract]
Servicing asset	0.4376	0.3962
Mortgage Loan Servicing, net | Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Weighted Average | Present value of net servicing revenue | Discount rate
Ranges and Weighted Average [Abstract]
Servicing asset	0.0997	0.0994
Mortgage Loan Servicing, net | Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Weighted Average | Present value of net servicing revenue | Cost to service (in US Dollars)
Ranges and Weighted Average [Abstract]
Servicing asset	80	80
Mortgage Loan Servicing, net | Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Weighted Average | Present value of net servicing revenue | Ancillary income (in US Dollars)
Ranges and Weighted Average [Abstract]
Servicing asset	21	20
Mortgage Loan Servicing, net | Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Weighted Average | Present value of net servicing revenue | Float rate
Ranges and Weighted Average [Abstract]
Servicing asset	0.0391	0.0375
Mortgage Loan Servicing, net | Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Recurring Basis | Weighted Average | Present value of net servicing revenue | Prepayment rate
Ranges and Weighted Average [Abstract]
Servicing asset	0.0916	0.0960

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