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Stockholders' Equity - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2021
Aug. 01, 2022
Jul. 31, 2022
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]          
Percentage of dividends payable 60.00%        
Payments of dividends by bank $ 26,300 $ 56,700 $ 43,900    
Shares repurchased during period, value $ 27,558 $ 129,520 $ 119,021    
August 2022 Repurchase Plan          
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]          
Share repurchase plan, number of shares authorized to repurchase       4,000,000 7,602,021
Shares repurchased during period 2,495,253        
Shares repurchased during period, value $ 23,800        
Shares repurchased average cost per share $ 9.54        
Shares authorized to repurchase 62.40%        
Prior Purchase Plan          
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]          
Shares repurchased during period 2,820,398        
Shares repurchased during period, value $ 27,400        
Shares repurchased average cost per share $ 9.73