Fair Value Measurements (Details 6) - Non-recurring $ in Thousands	Jun. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)
Level 3
Valuation Methodology
Assets measured at fair value	$ 5,406	$ 6,103
Carrying Value | Level 3 | Collateral based measurements | Impaired loans
Valuation Methodology
Assets measured at fair value	861	571
Carrying Value | Level 3 | Discounted cash flows | Mortgage servicing rights
Valuation Methodology
Assets measured at fair value	4,443	4,671
Carrying Value | Level 3 | Appraisals trade publications and auction values | Repossessions
Valuation Methodology
Assets measured at fair value	102	861
Fair Value
Valuation Methodology
Assets measured at fair value	5,406	6,103
Fair Value | Level 3 | Collateral based measurements | Impaired loans
Valuation Methodology
Assets measured at fair value	861	571
Fair Value | Level 3 | Discounted cash flows | Mortgage servicing rights
Valuation Methodology
Assets measured at fair value	6,784	5,640
Fair Value | Level 3 | Appraisals trade publications and auction values | Repossessions
Valuation Methodology
Assets measured at fair value	$ 106	$ 942
Discount for lack of marketability and current conditions | Level 3 | Collateral based measurements | Impaired loans | Minimum
Unobservable Inputs
Impaired loans unobservable inputs (as a percent)	0.20	0.20
Discount for lack of marketability and current conditions | Level 3 | Collateral based measurements | Impaired loans | Maximum
Unobservable Inputs
Impaired loans unobservable inputs (as a percent)	0.90	0.90
Discount for lack of marketability and current conditions | Level 3 | Collateral based measurements | Impaired loans | Weighted Average
Unobservable Inputs
Impaired loans unobservable inputs (as a percent)	0.362	0.431
Constant prepayment rate (CPR) | Level 3 | Discounted cash flows | Mortgage servicing rights | Minimum
Unobservable Inputs
Mortgage servicing rights unobservable inputs (as a percent)	0.085	0.118
Constant prepayment rate (CPR) | Level 3 | Discounted cash flows | Mortgage servicing rights | Maximum
Unobservable Inputs
Mortgage servicing rights unobservable inputs (as a percent)	0.138	0.185
Constant prepayment rate (CPR) | Level 3 | Discounted cash flows | Mortgage servicing rights | Weighted Average
Unobservable Inputs
Mortgage servicing rights unobservable inputs (as a percent)	0.124	0.164
Discount rate | Level 3 | Discounted cash flows | Mortgage servicing rights | Minimum
Unobservable Inputs
Mortgage servicing rights unobservable inputs (as a percent)	0.109	0.086
Discount rate | Level 3 | Discounted cash flows | Mortgage servicing rights | Maximum
Unobservable Inputs
Mortgage servicing rights unobservable inputs (as a percent)	0.137	0.115
Discount rate | Level 3 | Discounted cash flows | Mortgage servicing rights | Weighted Average
Unobservable Inputs
Mortgage servicing rights unobservable inputs (as a percent)	0.110	0.088
Discount for lack of marketability | Level 3 | Appraisals trade publications and auction values | Repossessions | Minimum
Unobservable Inputs
Repossessions unobservable inputs (as a percent)	0	0
Discount for lack of marketability | Level 3 | Appraisals trade publications and auction values | Repossessions | Maximum
Unobservable Inputs
Repossessions unobservable inputs (as a percent)	0.13	0.21
Discount for lack of marketability | Level 3 | Appraisals trade publications and auction values | Repossessions | Weighted Average
Unobservable Inputs
Repossessions unobservable inputs (as a percent)	0.04	0.02