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Fair Value Disclosures - Quantitative Information About Level 3 (Details)	Sep. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)
Mortgage and Installment | Collateral Dependent Loans, Mortgage And Installment | Collateral Other Than Real Estate
Asset Fair Value [Abstract]
Collateral dependent loans, fair value	$ 400,000	$ 290,000
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	$ 31,522,000	$ 46,796,000
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	0.0368	0.0433
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	0.0950	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 (in US Dollars)
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 (in US Dollars)
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	0.0539	0.0540
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	0.3106	0.1915
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 (in US Dollars)
Ranges and Weighted Average [Abstract]
Servicing asset	817	817
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 (in US Dollars)
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	0.3290	0.2828
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	0.0993	0.1037
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 (in US Dollars)
Ranges and Weighted Average [Abstract]
Servicing asset	80	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 (in US Dollars)
Ranges and Weighted Average [Abstract]
Servicing asset	21	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	0.0368	0.0433
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	0.0980	0.0754
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Commercial | Collateral Dependent Loans, Commercial | Discounted cash flow
Asset Fair Value [Abstract]
Collateral dependent loans, fair value	$ 7,272,000	$ 3,478,000
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Commercial | Collateral Dependent Loans, Commercial | Sales comparison approach
Asset Fair Value [Abstract]
Collateral dependent loans, fair value	$ 12,006,000	$ 859,000
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Commercial | Collateral Dependent Loans, 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 | Collateral Dependent Loans, Commercial | Minimum | Discounted cash flow | Comparability adjustment
Ranges and Weighted Average [Abstract]
Impaired loans		0.450
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Commercial | Collateral Dependent Loans, Commercial | Minimum | Sales comparison approach | Comparability adjustment
Ranges and Weighted Average [Abstract]
Impaired loans	(0.180)	(0.200)
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Commercial | Collateral Dependent Loans, Commercial | Maximum | Discounted cash flow | Discount rate
Ranges and Weighted Average [Abstract]
Impaired loans	0.700
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Commercial | Collateral Dependent Loans, Commercial | Maximum | Discounted cash flow | Comparability adjustment
Ranges and Weighted Average [Abstract]
Impaired loans		0.550
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Commercial | Collateral Dependent Loans, Commercial | Maximum | Sales comparison approach | Comparability adjustment
Ranges and Weighted Average [Abstract]
Impaired loans	0.420	0.350
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Commercial | Collateral Dependent Loans, Commercial | Weighted Average | Discounted cash flow | Discount rate
Ranges and Weighted Average [Abstract]
Impaired loans	0.480
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Commercial | Collateral Dependent Loans, Commercial | Weighted Average | Discounted cash flow | Comparability adjustment
Ranges and Weighted Average [Abstract]
Impaired loans		0.505
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Commercial | Collateral Dependent Loans, Commercial | Weighted Average | Sales comparison approach | Comparability adjustment
Ranges and Weighted Average [Abstract]
Impaired loans	(0.010)	(0.014)
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Mortgage and Installment | Collateral Dependent Loans, Mortgage And Installment
Asset Fair Value [Abstract]
Collateral dependent loans, fair value	$ 1,306,000	$ 1,176,000
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Mortgage and Installment | Collateral Dependent Loans, Mortgage And Installment | Minimum | Sales comparison approach | Comparability adjustment
Ranges and Weighted Average [Abstract]
Impaired loans	(0.280)	(0.220)
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Mortgage and Installment | Collateral Dependent Loans, Mortgage And Installment | Maximum | Sales comparison approach | Comparability adjustment
Ranges and Weighted Average [Abstract]
Impaired loans	0.169	0.217
Significant Un- observable Inputs (Level 3) | Measured at Fair Value on a Non-recurring Basis: | Mortgage and Installment | Collateral Dependent Loans, Mortgage And Installment | Weighted Average | Sales comparison approach | Comparability adjustment
Ranges and Weighted Average [Abstract]
Impaired loans	(0.016)	(0.004)

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Aggregate amount of servicing assets that are subsequently measured at fair value and servicing assets that are subsequently measured using the amortization method.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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-Section 50
-Paragraph 2
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 860
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-Name Accounting Standards Codification
-Section 45
-Paragraph 2
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-Publisher FASB
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-Section 50
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