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Securities - Unrealized Loss Positions (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
USD ($)
security
Dec. 31, 2021
USD ($)
Fair value    
Less Than 12 Months, Fair Value $ 271,692 $ 198,937
12 Months or More, Fair Value 209,967 18,485
Total Fair Value 481,659 217,422
Unrealized Loss    
Less Than 12 Months, Unrealized Loss 12,523 2,417
12 Months or More, Unrealized Loss 32,379 524
Total Unrealized Loss $ 44,902 2,941
Other information    
Number of positions considered temporarily impaired | security 558  
Debt securities considered temporarily impaired $ 481,659 217,422
Other than temporary impairment 0  
U.S. Treasury securities    
Fair value    
Less Than 12 Months, Fair Value 50,556  
12 Months or More, Fair Value 8,277  
Total Fair Value 58,833  
Unrealized Loss    
Less Than 12 Months, Unrealized Loss 1,368  
12 Months or More, Unrealized Loss 685  
Total Unrealized Loss 2,053  
Other information    
Debt securities considered temporarily impaired 58,833  
U.S. government agencies and corporations    
Fair value    
Less Than 12 Months, Fair Value 71,948 46,561
12 Months or More, Fair Value 58,326 10,604
Total Fair Value 130,274 57,165
Unrealized Loss    
Less Than 12 Months, Unrealized Loss 1,578 945
12 Months or More, Unrealized Loss 11,389 394
Total Unrealized Loss 12,967 1,339
Other information    
Debt securities considered temporarily impaired 130,274 57,165
Mortgage-backed securities    
Fair value    
Less Than 12 Months, Fair Value 73,301 126,873
12 Months or More, Fair Value 104,563 5,178
Total Fair Value 177,864 132,051
Unrealized Loss    
Less Than 12 Months, Unrealized Loss 5,441 1,127
12 Months or More, Unrealized Loss 15,099 74
Total Unrealized Loss 20,540 1,201
Other information    
Debt securities considered temporarily impaired 177,864 132,051
Obligations of states and political subdivisions    
Fair value    
Less Than 12 Months, Fair Value 60,838 16,578
12 Months or More, Fair Value 32,120 2,703
Total Fair Value 92,958 19,281
Unrealized Loss    
Less Than 12 Months, Unrealized Loss 2,434 224
12 Months or More, Unrealized Loss 4,356 56
Total Unrealized Loss 6,790 280
Other information    
Debt securities considered temporarily impaired 92,958 19,281
Corporate and other debt securities    
Fair value    
Less Than 12 Months, Fair Value 15,049 8,925
12 Months or More, Fair Value 6,681  
Total Fair Value 21,730 8,925
Unrealized Loss    
Less Than 12 Months, Unrealized Loss 1,702 121
12 Months or More, Unrealized Loss 850  
Total Unrealized Loss 2,552 121
Other information    
Debt securities considered temporarily impaired $ 21,730 $ 8,925