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Preferred Stock (Details) - USD ($)
$ in Thousands
1 Months Ended 9 Months Ended
Aug. 19, 2021
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Subsidiary, Sale of Stock [Line Items]        
Preferred shares issued   115,000   0
Proceeds from issuance of preferred stock $ 110,900 $ 110,927  
Series A Preferred Stock [Member]        
Subsidiary, Sale of Stock [Line Items]        
Preferred stock liquidation preference $ 100,000      
Percentage of fixed-rate non-cumulative perpetual preferred stock 5.25%      
Underwritten Public Offering [Member]        
Subsidiary, Sale of Stock [Line Items]        
Preferred shares issued 115,000      
Preferred stock liquidation preference $ 11,500