v3.26.1
Fair Value Measurements - Roll Forward, Level 3 (Details) - Level 3 - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Rollforward for financial instruments measured at fair value using Level 3 inputs        
Asset balance, Beginning of Year $ 144,212 $ 104,743 $ 137,123 $ 109,541
Purchases/Additions 10,276 9,178 21,324 15,987
Sales/Reductions (21,078) (27,176) (25,021) (44,800)
Total Gains or Losses (Realized or Unrealized):        
Included in Net Income $ (152) $ 2,083 $ 509 $ 8,100
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Gain (Loss) on Sales of Loans, Net Gain (Loss) on Sales of Loans, Net Gain (Loss) on Sales of Loans, Net Gain (Loss) on Sales of Loans, Net
Included in Other Comprehensive Income (Loss) $ 654 $ 437 $ (23) $ 437
Asset balance, End of Year 133,912 89,265 133,912 89,265
Trading securities        
Rollforward for financial instruments measured at fair value using Level 3 inputs        
Asset balance, Beginning of Year   666   3,330
Purchases/Additions   2,333   2,970
Sales/Reductions   (2,776)   (6,218)
Total Gains or Losses (Realized or Unrealized):        
Included in Net Income   (223)   (82)
Available for sale securities        
Rollforward for financial instruments measured at fair value using Level 3 inputs        
Asset balance, Beginning of Year 63,013 30,554 61,992 29,816
Total Gains or Losses (Realized or Unrealized):        
Included in Net Income 1,553 928 3,251 1,666
Included in Other Comprehensive Income (Loss) 654 437 (23) 437
Asset balance, End of Year 65,220 31,919 65,220 31,919
Loans held for sale        
Rollforward for financial instruments measured at fair value using Level 3 inputs        
Asset balance, Beginning of Year 41,660 45,360 38,866 48,657
Purchases/Additions 7,049 5,497 15,550 9,903
Sales/Reductions (21,030) (4,860) (24,973) (11,594)
Total Gains or Losses (Realized or Unrealized):        
Included in Net Income (1,219) (985) (2,983) (1,954)
Asset balance, End of Year 26,460 45,012 26,460 45,012
MSR asset        
Rollforward for financial instruments measured at fair value using Level 3 inputs        
Asset balance, Beginning of Year 20,045 6,903 17,491 5,723
Purchases/Additions 3,227 1,348 5,774 3,114
Sales/Reductions (48)   (48)  
Total Gains or Losses (Realized or Unrealized):        
Included in Net Income (469) (364) (462) (950)
Asset balance, End of Year 22,755 7,887 22,755 7,887
Equity investments        
Rollforward for financial instruments measured at fair value using Level 3 inputs        
Asset balance, Beginning of Year 19,494 21,260 18,774 22,015
Sales/Reductions   (19,540)   (26,988)
Total Gains or Losses (Realized or Unrealized):        
Included in Net Income (17) 2,727 703 9,420
Asset balance, End of Year $ 19,477 $ 4,447 $ 19,477 $ 4,447