v3.26.3
Fair Value Measurements (Details 6) - Non-recurring
$ in Thousands
Sep. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Level 3    
Valuation Methodology    
Assets measured at fair value $ 8,820 $ 29,742
Carrying Value | Level 3 | Collateral based measurements | Impaired loans    
Valuation Methodology    
Assets measured at fair value 3,234 26,175
Carrying Value | Level 3 | Discounted cash flows | Mortgage servicing rights    
Valuation Methodology    
Assets measured at fair value 3,228 3,300
Carrying Value | Level 3 | Appraisals trade publications and auction values | Repossessions    
Valuation Methodology    
Assets measured at fair value 2,309 267
Carrying Value | Level 3 | Appraisals | Other real estate    
Valuation Methodology    
Assets measured at fair value 49  
Fair Value    
Valuation Methodology    
Assets measured at fair value 8,820 29,742
Fair Value | Level 3 | Collateral based measurements | Impaired loans    
Valuation Methodology    
Assets measured at fair value 3,234 26,175
Fair Value | Level 3 | Discounted cash flows | Mortgage servicing rights    
Valuation Methodology    
Assets measured at fair value 7,367 7,325
Fair Value | Level 3 | Appraisals trade publications and auction values | Repossessions    
Valuation Methodology    
Assets measured at fair value 2,321 $ 297
Fair Value | Level 3 | Appraisals | Other real estate    
Valuation Methodology    
Assets measured at fair value $ 49  
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 0.15
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) 0.40 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) 0.230 0.239
Constant prepayment rate (CPR) | Level 3 | Discounted cash flows | Mortgage servicing rights | Minimum    
Unobservable Inputs    
Mortgage servicing rights unobservable inputs (as a percent) 0.059 0.064
Constant prepayment rate (CPR) | Level 3 | Discounted cash flows | Mortgage servicing rights | Maximum    
Unobservable Inputs    
Mortgage servicing rights unobservable inputs (as a percent) 0.136 0.334
Constant prepayment rate (CPR) | Level 3 | Discounted cash flows | Mortgage servicing rights | Weighted Average    
Unobservable Inputs    
Mortgage servicing rights unobservable inputs (as a percent) 0.061 0.074
Discount rate | Level 3 | Discounted cash flows | Mortgage servicing rights | Minimum    
Unobservable Inputs    
Mortgage servicing rights unobservable inputs (as a percent) 0.114 0.104
Discount rate | Level 3 | Discounted cash flows | Mortgage servicing rights | Maximum    
Unobservable Inputs    
Mortgage servicing rights unobservable inputs (as a percent) 0.134 0.124
Discount rate | Level 3 | Discounted cash flows | Mortgage servicing rights | Weighted Average    
Unobservable Inputs    
Mortgage servicing rights unobservable inputs (as a percent) 0.116 0.106
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) 0.20 0.20
Discount for lack of marketability | Level 3 | Appraisals trade publications and auction values | Repossessions | Weighted Average    
Unobservable Inputs    
Repossessions unobservable inputs (as a percent) 0.01 0.10
Discount for lack of marketability | Level 3 | Appraisals | Other real estate | Minimum    
Unobservable Inputs    
Other Real Estate Owned, Measurement Input 0  
Discount for lack of marketability | Level 3 | Appraisals | Other real estate | Maximum    
Unobservable Inputs    
Other Real Estate Owned, Measurement Input 0  
Discount for lack of marketability | Level 3 | Appraisals | Other real estate | Weighted Average    
Unobservable Inputs    
Other Real Estate Owned, Measurement Input 0