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Securities - Narrative (Details)
$ in Thousands
Jun. 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 124 31
Available-for-sale debt securities $ 1,067,492 $ 909,651
Asset Pledged as Collateral without Right    
Debt Securities, Available-for-sale [Line Items]    
Available-for-sale debt securities 19,400 23,900
Asset Pledged as Collateral with Right    
Debt Securities, Available-for-sale [Line Items]    
Available-for-sale debt securities $ 321,200 $ 443,000