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Fair Value Measurements (Details 6) - Non-recurring
$ in Thousands
Sep. 30, 2025
USD ($)
Dec. 31, 2024
USD ($)
Level 3    
Valuation Methodology    
Assets measured at fair value $ 32,599 $ 4,776
Carrying Value | Level 3 | Collateral based measurements | Impaired loans    
Valuation Methodology    
Assets measured at fair value 28,781 725
Carrying Value | Level 3 | Discounted cash flows | Mortgage servicing rights    
Valuation Methodology    
Assets measured at fair value 3,263 3,436
Carrying Value | Level 3 | Appraisals trade publications and auction values | Repossessions    
Valuation Methodology    
Assets measured at fair value 435 155
Carrying Value | Level 3 | Appraisals | Other real estate    
Valuation Methodology    
Assets measured at fair value 120 460
Fair Value    
Valuation Methodology    
Assets measured at fair value 32,599 4,776
Fair Value | Level 3 | Collateral based measurements | Impaired loans    
Valuation Methodology    
Assets measured at fair value 28,781 725
Fair Value | Level 3 | Discounted cash flows | Mortgage servicing rights    
Valuation Methodology    
Assets measured at fair value 7,486 7,480
Fair Value | Level 3 | Appraisals trade publications and auction values | Repossessions    
Valuation Methodology    
Assets measured at fair value 444 170
Fair Value | Level 3 | Appraisals | Other real estate    
Valuation Methodology    
Assets measured at fair value $ 130 $ 500
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) 0.15 0.25
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) 0.45 0.30
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) 0.276 0.280
Constant prepayment rate (CPR) | Level 3 | Discounted cash flows | Mortgage servicing rights | Minimum    
Unobservable Inputs    
Mortgage servicing rights unobservable inputs (as a percent) 0.068 0.076
Constant prepayment rate (CPR) | Level 3 | Discounted cash flows | Mortgage servicing rights | Maximum    
Unobservable Inputs    
Mortgage servicing rights unobservable inputs (as a percent) 0.310 0.230
Constant prepayment rate (CPR) | Level 3 | Discounted cash flows | Mortgage servicing rights | Weighted Average    
Unobservable Inputs    
Mortgage servicing rights unobservable inputs (as a percent) 0.074 0.076
Discount rate | Level 3 | Discounted cash flows | Mortgage servicing rights | Minimum    
Unobservable Inputs    
Mortgage servicing rights unobservable inputs (as a percent) 0.105 0.111
Discount rate | Level 3 | Discounted cash flows | Mortgage servicing rights | Maximum    
Unobservable Inputs    
Mortgage servicing rights unobservable inputs (as a percent) 0.125 0.131
Discount rate | Level 3 | Discounted cash flows | Mortgage servicing rights | Weighted Average    
Unobservable Inputs    
Mortgage servicing rights unobservable inputs (as a percent) 0.107 0.113
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) 0.40 0.10
Discount for lack of marketability | Level 3 | Appraisals trade publications and auction values | Repossessions | Weighted Average    
Unobservable Inputs    
Repossessions unobservable inputs (as a percent) 0.02 0.09
Discount for lack of marketability | Level 3 | Appraisals | Other real estate | Minimum    
Unobservable Inputs    
Other Real Estate Owned, Measurement Input 0 0
Discount for lack of marketability | Level 3 | Appraisals | Other real estate | Maximum    
Unobservable Inputs    
Other Real Estate Owned, Measurement Input 0.08 0.08
Discount for lack of marketability | Level 3 | Appraisals | Other real estate | Weighted Average    
Unobservable Inputs    
Other Real Estate Owned, Measurement Input 0.08 0.08