v3.26.1
INVESTMENT SECURITIES - Summary of Investment Securities in a Continuous Unrealized Loss Position (Details)
$ in Thousands
Jun. 30, 2026
USD ($)
security
Dec. 31, 2025
USD ($)
security
Fair Value    
Less than 12 Months $ 135,311 $ 10,353
12 Months or Longer 1,158,457 1,257,538
Total 1,293,768 1,267,891
Gross Unrealized Losses    
Less than 12 Months (1,689) (21)
12 Months or Longer (170,735) (168,726)
Total $ (172,424) $ (168,747)
Number of Securities | security 716 693
U.S. Government-sponsored agency securities    
Fair Value    
Less than 12 Months $ 31 $ 0
12 Months or Longer 71,708 76,099
Total 71,739 76,099
Gross Unrealized Losses    
Less than 12 Months (1) 0
12 Months or Longer (11,378) (11,837)
Total $ (11,379) $ (11,837)
Number of Securities | security 13 12
State and municipal    
Fair Value    
Less than 12 Months $ 88,596 $ 5,468
12 Months or Longer 782,596 861,410
Total 871,192 866,878
Gross Unrealized Losses    
Less than 12 Months (1,334) (11)
12 Months or Longer (93,973) (91,830)
Total $ (95,307) $ (91,841)
Number of Securities | security 594 587
U.S. Government-sponsored mortgage-backed securities    
Fair Value    
Less than 12 Months $ 45,699 $ 4,885
12 Months or Longer 297,367 313,353
Total 343,066 318,238
Gross Unrealized Losses    
Less than 12 Months (339) (10)
12 Months or Longer (65,212) (64,783)
Total $ (65,551) $ (64,793)
Number of Securities | security 103 89
Corporate obligations    
Fair Value    
Less than 12 Months $ 985 $ 0
12 Months or Longer 6,786 6,676
Total 7,771 6,676
Gross Unrealized Losses    
Less than 12 Months (15) 0
12 Months or Longer (172) (276)
Total $ (187) $ (276)
Number of Securities | security 6 5