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INVESTMENT SECURITIES - Other (Details)
6 Months Ended
Dec. 31, 2022
USD ($)
security
Jun. 30, 2022
USD ($)
INVESTMENT SECURITIES    
Securities with unrealized losses | security 184  
Securities available for sale, amortized cost $ 528,525,000 $ 496,508,000
Non-investment grade    
INVESTMENT SECURITIES    
Number of securities evaluated for impairment | security 54  
Securities available for sale, amortized cost $ 235,000  
Securities with remaining par value $ 1,500,000