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Capital and Regulatory Matters - Narrative (Details) - USD ($)
1 Months Ended 12 Months Ended
Jul. 31, 2022
Dec. 31, 2023
Dec. 31, 2022
Resale Agreement Counterparty [Line Items]      
Transition regulatory capital amount   $ 2,500,000 $ 5,100,000
Purchase price $ 50,000,000    
Stock buyback program, period 3 years    
Repurchase of stock (in shares)   0 0
Origin Bank | Origin Bank      
Resale Agreement Counterparty [Line Items]      
Aggregate dividends without prior regulatory approval   $ 114,100,000