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Investment Securities - Schedule of Unrealized Losses and Fair Value (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Available for Sale    
Fair Value, Less than 12 Months $ 29,587 $ 0
Unrealized Losses, Less than 12 Months 98 0
Fair Value, 12 Months or More 390,570 402,517
Unrealized Losses, 12 Months or More 52,897 50,784
Total Fair Value 420,157 402,517
Total Unrealized Losses 52,995 50,784
Held to Maturity    
Fair Value, Less than 12 Months 0 0
Unrealized Losses, Less than 12 Months 0 0
Fair Value, 12 Months or More 58,084 59,057
Unrealized Losses, 12 Months or More 6,510 5,543
Total Fair Value 58,084 59,057
Total Unrealized Losses 6,510 5,543
U.S. Government and agencies    
Available for Sale    
Fair Value, Less than 12 Months 0 0
Unrealized Losses, Less than 12 Months 0 0
Fair Value, 12 Months or More 155,821 156,795
Unrealized Losses, 12 Months or More 20,228 19,663
Total Fair Value 155,821 156,795
Total Unrealized Losses 20,228 19,663
Collateralized mortgage obligations    
Available for Sale    
Fair Value, Less than 12 Months 0 0
Unrealized Losses, Less than 12 Months 0 0
Fair Value, 12 Months or More 39,506 41,085
Unrealized Losses, 12 Months or More 4,386 4,104
Total Fair Value 39,506 41,085
Total Unrealized Losses 4,386 4,104
Residential mortgage-backed securities    
Available for Sale    
Fair Value, Less than 12 Months 2,737 0
Unrealized Losses, Less than 12 Months 6 0
Fair Value, 12 Months or More 149,843 156,295
Unrealized Losses, 12 Months or More 21,334 19,630
Total Fair Value 152,580 156,295
Total Unrealized Losses 21,340 19,630
Held to Maturity    
Fair Value, Less than 12 Months 0 0
Unrealized Losses, Less than 12 Months 0 0
Fair Value, 12 Months or More 2,161 2,344
Unrealized Losses, 12 Months or More 123 124
Total Fair Value 2,161 2,344
Total Unrealized Losses 123 124
Commercial mortgage-backed securities    
Available for Sale    
Fair Value, Less than 12 Months 26,850 0
Unrealized Losses, Less than 12 Months 92 0
Fair Value, 12 Months or More 29,847 33,063
Unrealized Losses, 12 Months or More 4,393 4,553
Total Fair Value 56,697 33,063
Total Unrealized Losses 4,485 4,553
Corporate bonds    
Available for Sale    
Fair Value, Less than 12 Months 0 0
Unrealized Losses, Less than 12 Months 0 0
Fair Value, 12 Months or More 15,553 15,279
Unrealized Losses, 12 Months or More 2,556 2,834
Total Fair Value 15,553 15,279
Total Unrealized Losses 2,556 2,834
State and municipal    
Held to Maturity    
Fair Value, Less than 12 Months 0 0
Unrealized Losses, Less than 12 Months 0 0
Fair Value, 12 Months or More 55,923 56,713
Unrealized Losses, 12 Months or More 6,387 5,419
Total Fair Value 55,923 56,713
Total Unrealized Losses $ 6,387 $ 5,419