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Shareholders' Equity and Regulatory Matters - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
2 Months Ended 3 Months Ended 6 Months Ended
Nov. 17, 2021
Nov. 09, 2021
Aug. 27, 2021
Aug. 27, 2021
Mar. 31, 2022
Jun. 30, 2021
Subsidiary, Sale of Stock [Line Items]            
Repayments of Long-term Debt         $ 32.5  
Senior Debt            
Subsidiary, Sale of Stock [Line Items]            
Repayments of Senior Debt         $ 19.5  
Debt due date         Sep. 10, 2022  
Subordinated Debt One            
Subsidiary, Sale of Stock [Line Items]            
Repayments of Subordinated Debt         $ 11.0  
Debt due date         Jul. 29, 2022  
Subordinated Debt Two            
Subsidiary, Sale of Stock [Line Items]            
Repayments of Subordinated Debt         $ 2.0  
Debt due date         Sep. 27, 2022  
Private Placement Offering            
Subsidiary, Sale of Stock [Line Items]            
Issuance and sale of common stock     2,937,876 2,710,569   227,307
Proceeds from issuance and sale of common stock     $ 70.5 $ 65.1   $ 5.4
IPO            
Subsidiary, Sale of Stock [Line Items]            
Share issued and sold   4,025,000        
Shares issued, price per share   $ 25.00        
Aggregate gross proceeds   $ 100.6        
Aggregate net proceeds from issuance of common stock   92.0        
Underwriting discounts and offering expenses   $ 8.6        
IPO | RSAs            
Subsidiary, Sale of Stock [Line Items]            
Share issued 49,750          
Over-Allotment Option            
Subsidiary, Sale of Stock [Line Items]            
Share issued and sold 525,000