v3.26.3
Fair Value Measurements Fair Value Unobservable Level 3 Measurements (Details) - Fair Value, Inputs, Level 3 - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2026
Dec. 31, 2025
Dec. 31, 2024
Derivative Financial Instruments, Assets [Member] | Fair Value, Measurements, Recurring      
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]      
Fair Value, Net Derivative Asset (Liability) Measured On Recurring Basis With Unobservable Inputs - Interest Rate Lock Commitements $ 100 $ 800  
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs 2,931 814 $ 327
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Purchases 11,173 13,435  
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements (8,815) (13,690)  
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings (241) 742  
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Period Increase (Decrease) 2,117 487  
Derivative Financial Instruments, Liabilities [Member] | Fair Value, Measurements, Recurring      
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]      
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs 0 444 $ (254)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Purchases (158) (3,998)  
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements 4,843 2,738  
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings (5,129) 1,958  
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Period Increase (Decrease) $ (444) $ 698  
Discounted Cash Flow | Servicing Contracts [Member] | Minimum      
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]      
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate 5.00%    
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Prepayment Speed 2.00%    
Discounted Cash Flow | Servicing Contracts [Member] | Maximum      
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]      
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate 8.00%    
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Prepayment Speed 100.00%    
Discounted Cash Flow | Servicing Contracts [Member] | Weighted Average [Member]      
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]      
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate 5.00%    
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Prepayment Speed 8.00%    
Discounted Cash Flow | Impaired Finance Receivable [Member] | Minimum      
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]      
Assumption for Fair Value of Financing Receivable, Individually Evaluated for Credit Loss, Discount factor 30.00%    
Discounted Cash Flow | Impaired Finance Receivable [Member] | Maximum      
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]      
Assumption for Fair Value of Financing Receivable, Individually Evaluated for Credit Loss, Discount factor 45.00%    
Discounted Cash Flow | Impaired Finance Receivable [Member] | Weighted Average [Member]      
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]      
Assumption for Fair Value of Financing Receivable, Individually Evaluated for Credit Loss, Discount factor 32.00%    
Discounted Cash Flow | Interest Rate Lock Commitments [Member] | Minimum      
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]      
Assumption for Fair Value of Interest Rate Lock Commitments, Closing Ratio 58.00%    
Discounted Cash Flow | Interest Rate Lock Commitments [Member] | Maximum      
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]      
Assumption for Fair Value of Interest Rate Lock Commitments, Closing Ratio 100.00%    
Discounted Cash Flow | Interest Rate Lock Commitments [Member] | Weighted Average [Member]      
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]      
Assumption for Fair Value of Interest Rate Lock Commitments, Closing Ratio 92.00%    
Valuation, Market Approach | Impaired Finance Receivable [Member] | Minimum      
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]      
Assumption for Fair Value of Financing Receivable, Individually Evaluated for Credit Loss, Discount factor 41.00%    
Valuation, Market Approach | Impaired Finance Receivable [Member] | Maximum      
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]      
Assumption for Fair Value of Financing Receivable, Individually Evaluated for Credit Loss, Discount factor 80.00%    
Valuation, Market Approach | Impaired Finance Receivable [Member] | Weighted Average [Member]      
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]      
Assumption for Fair Value of Financing Receivable, Individually Evaluated for Credit Loss, Discount factor 49.00%