Quarterly report pursuant to Section 13 or 15(d)

SECURITIES (Amortized Cost of HTM Securities by Security Type and Credit Rating) (Details)

v3.23.3
SECURITIES (Amortized Cost of HTM Securities by Security Type and Credit Rating) (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
HTM Securities, Amortized Cost $ 843,269 $ 847,732
Moody's AAA/AA/A    
HTM Securities, Amortized Cost 699,170 707,505
Moody's BBB/BB/B    
HTM Securities, Amortized Cost 1,171 1,187
Moody's Not Rated - Agency    
HTM Securities, Amortized Cost 68,561 72,412
Moody's Not Rated - Non-Agency    
HTM Securities, Amortized Cost 74,367 66,628
U.S. government and agency securities    
HTM Securities, Amortized Cost 0 687
U.S. government and agency securities | Moody's AAA/AA/A    
HTM Securities, Amortized Cost 0 0
U.S. government and agency securities | Moody's BBB/BB/B    
HTM Securities, Amortized Cost 0 0
U.S. government and agency securities | Moody's Not Rated - Agency    
HTM Securities, Amortized Cost 0 687
U.S. government and agency securities | Moody's Not Rated - Non-Agency    
HTM Securities, Amortized Cost 0 0
Obligations of states and political subdivisions    
HTM Securities, Amortized Cost 700,400 705,990
Obligations of states and political subdivisions | Moody's AAA/AA/A    
HTM Securities, Amortized Cost 689,699 704,803
Obligations of states and political subdivisions | Moody's BBB/BB/B    
HTM Securities, Amortized Cost 1,171 1,187
Obligations of states and political subdivisions | Moody's Not Rated - Agency    
HTM Securities, Amortized Cost 0 0
Obligations of states and political subdivisions | Moody's Not Rated - Non-Agency    
HTM Securities, Amortized Cost 9,530 0
Corporate and other bonds    
HTM Securities, Amortized Cost 4,536 5,159
Corporate and other bonds | Moody's AAA/AA/A    
HTM Securities, Amortized Cost 0 0
Corporate and other bonds | Moody's BBB/BB/B    
HTM Securities, Amortized Cost 0 0
Corporate and other bonds | Moody's Not Rated - Agency    
HTM Securities, Amortized Cost 0 0
Corporate and other bonds | Moody's Not Rated - Non-Agency    
HTM Securities, Amortized Cost 4,536 5,159
Mortgage-backed securities    
HTM Securities, Amortized Cost 138,333 135,896
Mortgage-backed securities | Moody's AAA/AA/A    
HTM Securities, Amortized Cost 9,471 2,702
Mortgage-backed securities | Moody's BBB/BB/B    
HTM Securities, Amortized Cost 0 0
Mortgage-backed securities | Moody's Not Rated - Agency    
HTM Securities, Amortized Cost 68,561 71,725
Mortgage-backed securities | Moody's Not Rated - Non-Agency    
HTM Securities, Amortized Cost $ 60,301 $ 61,469