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Short-Term Borrowings and Long-Term Debt - Additional Information (Details)
3 Months Ended
Mar. 31, 2023
USD ($)
item
Dec. 31, 2022
USD ($)
Short-Term Borrowings    
Borrowings $ 221,515,000 $ 113,147,000
Letters of credit    
Short-Term Borrowings    
Maximum borrowing capacity 558,200,000 505,400,000
Proceeds from long term debt $ 79,700,000  
Federal funds purchased    
Short-Term Borrowings    
Number of borrowing facilities | item 2  
Maximum borrowing capacity $ 0 0
Federal funds purchased, facility one    
Short-Term Borrowings    
Maximum borrowing capacity 24,000,000  
Federal funds purchased, facility two    
Short-Term Borrowings    
Maximum borrowing capacity 15,000,000  
Federal Reserve discount window    
Short-Term Borrowings    
Maximum borrowing capacity 5,600,000  
Borrowings 0 0
BTFP Advances    
Short-Term Borrowings    
Maximum borrowing capacity 33,000,000  
Borrowings $ 33,000,000 $ 0