XML 68 R56.htm IDEA: XBRL DOCUMENT v3.25.2
Investment Securities - Bond Ratings (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost $ 1,267,297 $ 1,277,209
Aaa/AAA    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 277,364  
Aa/AA    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 831,248  
A    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 32,583  
Not rated    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 5,561  
Agency Backed    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 120,541  
State and political subdivisions    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 1,103,057 1,109,480
State and political subdivisions | Aaa/AAA    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 233,665  
State and political subdivisions | Aa/AA    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 831,248  
State and political subdivisions | A    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 32,583  
State and political subdivisions | Not rated    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 5,561  
State and political subdivisions | Agency Backed    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 0  
U.S. government-sponsored enterprises    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 43,699 $ 43,560
U.S. government-sponsored enterprises | Aaa/AAA    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 43,699  
U.S. government-sponsored enterprises | Aa/AA    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 0  
U.S. government-sponsored enterprises | A    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 0  
U.S. government-sponsored enterprises | Not rated    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 0  
U.S. government-sponsored enterprises | Agency Backed    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 0  
U.S. government-sponsored mortgage-backed securities    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 120,541  
U.S. government-sponsored mortgage-backed securities | Aaa/AAA    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 0  
U.S. government-sponsored mortgage-backed securities | Aa/AA    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 0  
U.S. government-sponsored mortgage-backed securities | A    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 0  
U.S. government-sponsored mortgage-backed securities | Not rated    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 0  
U.S. government-sponsored mortgage-backed securities | Agency Backed    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost $ 120,541