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Fair Value Disclosures - Schedule of Reconciliation for all Assets Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3) (Details)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2025
USD ($)
Sep. 30, 2024
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2024
USD ($)
Jan. 31, 2025
USD ($)
Total gains (losses) realized and unrealized:          
Mortgage loan servicing rights sold         $ 931,600
Mortgage loan servicing rights sold, percentage         0.263
Mortgage loan servicing rights sold, capitalized amount         $ 13,100
Mortgage loan servicing rights sold, capitalized, percentage         0.279
Holdback amount         $ 600
Transaction expense     $ 200    
Capitalized Mortgage Loan Servicing Rights          
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Beginning balance $ 32,053 $ 44,406 46,796 $ 42,243  
Total gains (losses) realized and unrealized:          
Included in results of operations (1,479) (5,378) (4,984) (4,995)  
Included in results of operations - gain on sale (61) 0 (233) 0  
Included in other comprehensive loss 0 0 0 0  
Purchases, issuances, settlements, maturities and calls 948 1,176 2,766 2,956  
Sales 61 0 (12,823) 0  
Transfers in and/or out of Level 3 0 0 0 0  
Ending balance 31,522 40,204 31,522 40,204  
Amount of total losses for the period included in earnings attributable to the change in unrealized gains (losses) relating to assets and liabilities still held at September 30 $ (1,479) $ (5,378) $ (4,984) $ (4,995)