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Securities - Narrative (Details)
$ in Thousands
Sep. 30, 2022
USD ($)
security
Dec. 31, 2021
USD ($)
security
Debt Securities, Available-for-sale [Line Items]    
Number of debt securities in unrealized loss position | security 151 31
Available-for-sale debt securities $ 996,403 $ 909,651
Asset Pledged as Collateral without Right    
Debt Securities, Available-for-sale [Line Items]    
Available-for-sale debt securities 17,900 23,900
Asset Pledged as Collateral with Right    
Debt Securities, Available-for-sale [Line Items]    
Available-for-sale debt securities $ 272,300 $ 443,000