Disclosures about Fair Value of Assets and Liabilities - Other Assets Measured at Fair Value on Nonrecurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Significant Unobservable Inputs (Level 3) | Collateral dependent loans
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Impaired loans	$ 8,091	$ 15,176
Significant Unobservable Inputs (Level 3) | Mortgage servicing rights
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Impaired loans		15,186
Fair Value, Nonrecurring | Collateral dependent loans
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Impaired loans	8,091	15,176
Fair Value, Nonrecurring | Mortgage servicing rights
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Impaired loans		15,186
Fair Value, Nonrecurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Collateral dependent loans
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Impaired loans	0	0
Fair Value, Nonrecurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Mortgage servicing rights
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Impaired loans		0
Fair Value, Nonrecurring | Significant Other Observable Inputs (Level 2) | Collateral dependent loans
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Impaired loans	0	0
Fair Value, Nonrecurring | Significant Other Observable Inputs (Level 2) | Mortgage servicing rights
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Impaired loans		0
Fair Value, Nonrecurring | Significant Unobservable Inputs (Level 3) | Collateral dependent loans
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Impaired loans	$ 8,091	15,176
Fair Value, Nonrecurring | Significant Unobservable Inputs (Level 3) | Mortgage servicing rights
Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items]
Impaired loans		$ 15,186