v3.26.3
SEGMENT REPORTING AND REVENUE INFORMATION - SCHEDULE OF SEGMENT REPORTING INFORMATION, BY SEGMENT (Details)
$ in Thousands
 3 Months Ended
Sep. 30, 2026
USD ($)
segment
Sep. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Segment Reporting [Abstract]      
Number of operating segments | segment 2    
Number of reportable segments | segment 2    
Segment Reporting [Line Items]      
Net interest income $ 331,256 $ 291,050  
Provision for credit losses 24,500 17,255  
Non-interest income 63,815 32,340  
Salaries and related costs 84,803 76,605  
Other segment expense 110,607 79,641  
Total non-interest expense 195,410 156,246  
INCOME BEFORE INCOME TAXES 175,161 149,889  
Goodwill 144,534   $ 144,330
Total Assets 30,844,961   29,961,869
Operating segments | Banking Business Segment      
Segment Reporting [Line Items]      
Net interest income 325,573 287,200  
Provision for credit losses 24,500 17,255  
Non-interest income 40,022 12,375  
Salaries and related costs 61,887 55,340  
Other segment expense 103,095 73,153  
Total non-interest expense 164,982 128,493  
INCOME BEFORE INCOME TAXES 176,113 153,827  
Non-interest expense, cash sorting fees 10,300 9,700  
Goodwill 82,378   82,378
Total Assets 29,919,862   29,031,564
Operating segments | Securities Business Segment      
Segment Reporting [Line Items]      
Net interest income 10,642 8,194  
Provision for credit losses 0 0  
Non-interest income 30,498 29,457  
Salaries and related costs 14,994 14,750  
Other segment expense 15,890 14,617  
Total non-interest expense 30,884 29,367  
INCOME BEFORE INCOME TAXES 10,256 8,284  
Non-interest income, cash sorting fees 10,300 9,700  
Goodwill 59,953   59,953
Total Assets 914,568   850,860
Corporate / Eliminations      
Segment Reporting [Line Items]      
Net interest income (4,959) (4,344)  
Provision for credit losses 0 0  
Non-interest income (6,705) (9,492)  
Salaries and related costs 7,922 6,515  
Other segment expense (8,378) (8,129)  
Total non-interest expense (456) (1,614)  
INCOME BEFORE INCOME TAXES (11,208) $ (12,222)  
Goodwill 2,203   1,999
Total Assets $ 10,531   $ 79,445