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Borrowings - Additional Information (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Short-term Debt    
Short-term borrowings $ 129,170 $ 0
Increase in short-term borrowings 117,950  
Other borrowings 11,220  
Peoples Bank    
Short-term Debt    
Maximum borrowing capacity 1,018,230,000,000 896,130
Outstanding amount in borrowings 119,596 2,711
Amount of credit facility used to issue standby letters of credit to collateralize public fund deposits $ 283,500 $ 373,035