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Investment Securities - Securities Temporarily Impaired (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]    
Fair Value (Estimated) (Less than 12 months) $ 23,512 $ 3,794
Unrealized Losses (Less than 12 months) (292) (63)
Fair Value (Estimated) (12 months or more) 234,055 257,711
Unrealized Losses (12 months or more) (53,876) (50,342)
Fair Value (Estimated) 257,567 261,505
Unrealized Losses (54,168) (50,405)
U.S. Treasury & Agency securities    
Debt Securities, Available-for-sale [Line Items]    
Fair Value (Estimated) (Less than 12 months) 0 0
Unrealized Losses (Less than 12 months) 0 0
Fair Value (Estimated) (12 months or more) 19,796 19,830
Unrealized Losses (12 months or more) (6,246) (6,203)
Fair Value (Estimated) 19,796 19,830
Unrealized Losses (6,246) (6,203)
Mortgage-backed securities    
Debt Securities, Available-for-sale [Line Items]    
Fair Value (Estimated) (Less than 12 months) 18,544 1,712
Unrealized Losses (Less than 12 months) (222) (14)
Fair Value (Estimated) (12 months or more) 186,155 208,717
Unrealized Losses (12 months or more) (40,804) (38,477)
Fair Value (Estimated) 204,699 210,429
Unrealized Losses (41,026) (38,491)
State and political subdivisions    
Debt Securities, Available-for-sale [Line Items]    
Fair Value (Estimated) (Less than 12 months) 4,968 2,082
Unrealized Losses (Less than 12 months) (70) (49)
Fair Value (Estimated) (12 months or more) 28,104 27,700
Unrealized Losses (12 months or more) (6,826) (5,653)
Fair Value (Estimated) 33,072 29,782
Unrealized Losses $ (6,896) (5,702)
Asset-backed securities    
Debt Securities, Available-for-sale [Line Items]    
Fair Value (Estimated) (Less than 12 months)   0
Unrealized Losses (Less than 12 months)   0
Fair Value (Estimated) (12 months or more)   1,464
Unrealized Losses (12 months or more)   (9)
Fair Value (Estimated)   1,464
Unrealized Losses   $ (9)