v3.26.3
AVAILABLE-FOR-SALE SECURITIES - SCHEDULE OF AMORTIZED COST, CARRYING AMOUNT AND FAIR VALUE DISCLOSURES (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Jun. 30, 2026
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost $ 779,897 $ 803,792
Unrealized Gains 2,955 1,493
Unrealized Losses (2,267) (1,618)
Fair Value 780,585 803,667
United States Treasury securities    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 710,060 732,118
Unrealized Gains 1,965 304
Unrealized Losses 0 0
Fair Value 712,025 732,422
Agency    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 66,597 68,344
Unrealized Gains 25 215
Unrealized Losses (2,156) (1,587)
Fair Value 64,466 66,972
Non-agency    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 3,240 3,330
Unrealized Gains 965 974
Unrealized Losses (111) (31)
Fair Value 4,094 4,273
Total mortgage-backed securities    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 69,837 71,674
Unrealized Gains 990 1,189
Unrealized Losses (2,267) (1,618)
Fair Value $ 68,560 $ 71,245