Disclosures of Fair Values of Financial Instruments - Significant Unobservable Inputs Used in Valuation of Level 3 Fair Value Measurements (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Mortgage Servicing Rights | Level 3 | Minimum | Third Party Valuations
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Mortgage servicing rights	128.00%	205.00%
Mortgage Servicing Rights | Level 3 | Maximum | Third Party Valuations
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Mortgage servicing rights	437.00%	513.00%
Mortgage Servicing Rights | Level 3 | Weighted Average | Third Party Valuations
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Mortgage servicing rights	(137.00%)	(273.00%)
Fair Value, Nonrecurring | Mortgage Servicing Rights
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets, Fair Value		$ 420
Collateral Dependent Loans | Level 3 | Minimum | Third Party Valuations
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Collateral dependent loans	0.00%	0.00%
Collateral Dependent Loans | Level 3 | Maximum | Third Party Valuations
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Collateral dependent loans	40.00%	40.00%
Collateral Dependent Loans | Level 3 | Weighted Average | Third Party Valuations
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Collateral dependent loans	(20.00%)	(20.00%)
Collateral Dependent Loans | Fair Value, Nonrecurring
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets, Fair Value	$ 2,548	$ 6,750
Collateral Dependent Loans | Fair Value, Nonrecurring | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets, Fair Value	$ 2,548	$ 6,750
Foreclosed Assets Held-for-sale | Level 3 | Minimum | Third Party Valuations
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Collateral dependent loans	0.00%	0.00%
Foreclosed Assets Held-for-sale | Level 3 | Maximum | Third Party Valuations
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Collateral dependent loans	40.00%	40.00%
Foreclosed Assets Held-for-sale | Level 3 | Weighted Average | Third Party Valuations
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Collateral dependent loans	(35.00%)	(35.00%)
Foreclosed Assets Held-for-sale | Fair Value, Nonrecurring
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets, Fair Value	$ 0	$ 2,068