Fair Value - Assets and Liabilities Measured on a Non-Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Individually analyzed loans
Total individually analyzed loans	$ 10,232	$ 11,313
Mortgage servicing rights	20,715	19,538
Residential [Member]
Individually analyzed loans
Total individually analyzed loans	16
Commercial Real Estate [Member]
Individually analyzed loans
Total individually analyzed loans	3,218	2,749
Commercial [Member]
Individually analyzed loans
Total individually analyzed loans	6,998	8,564
Fair Value, Inputs, Level 2 [Member]
Individually analyzed loans
Mortgage servicing rights	20,715	19,538
Fair Value, Inputs, Level 3 [Member]
Individually analyzed loans
Total individually analyzed loans	10,232	11,313
Fair Value, Inputs, Level 3 [Member] | Residential [Member]
Individually analyzed loans
Total individually analyzed loans	16
Fair Value, Inputs, Level 3 [Member] | Commercial Real Estate [Member]
Individually analyzed loans
Total individually analyzed loans	3,218	2,749
Fair Value, Inputs, Level 3 [Member] | Commercial [Member]
Individually analyzed loans
Total individually analyzed loans	$ 6,998	$ 8,564