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Securities Fair Value Option Securities (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Fair Value Option Securities [Line Items]    
Fair value option securities, Fair Value $ 212,321 $ 296,590
Residential agency mortgage-backed securities [Member]    
Fair Value Option Securities [Line Items]    
Fair value option securities, Fair Value 212,321 296,590
Fair value option securities, Net Unrealized Gain (Loss) $ (2,492) $ 338