v3.26.3
Fair Value Measurements - Reconciliation of Assets with Unobservable Inputs (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning balance $ 32,209 $ 31,202 $ 30,739 $ 29,098
Change included in earnings 1,070 (1,906) (1,321) (4,551)
Purchases and issuances 5,896 6,458 17,579 16,293
Sales and settlements (4,335) (4,053) (12,157) (9,139)
Ending balance 34,840 31,701 34,840 31,701
Net change in unrealized gains (losses) relating to items held at end of period 900 1,531 $ 900 $ 1,531
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]     Total assets Total assets
Mortgage servicing rights        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning balance 28,475 27,506 $ 27,474 $ 26,439
Change included in earnings 1,583 (1,250) 528 (2,923)
Purchases and issuances 1,672 1,540 3,728 4,280
Sales and settlements 0 0 0 0
Ending balance 31,730 27,796 31,730 27,796
Net change in unrealized gains (losses) relating to items held at end of period 0 0 0 0
Commercial servicing rights        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning balance 2,215 2,400 2,342 2,194
Change included in earnings (8) (64) (169) (257)
Purchases and issuances 3 38 37 437
Sales and settlements 0 0 0 0
Ending balance 2,210 2,374 2,210 2,374
Net change in unrealized gains (losses) relating to items held at end of period 0 0 0 0
Interest rate lock commitments        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning balance 1,519 1,296 923 465
Change included in earnings (505) (592) (1,680) (1,371)
Purchases and issuances 4,221 4,880 13,814 11,576
Sales and settlements (4,335) (4,053) (12,157) (9,139)
Ending balance 900 1,531 900 1,531
Net change in unrealized gains (losses) relating to items held at end of period $ 900 $ 1,531 $ 900 $ 1,531