Available for Sale Securities - Amortized Cost and Fair Value of Available-for-sale Securities, by Contractual Maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Jun. 30, 2024
Amortized Cost
Within one year	$ 1,444
After one year but less than five years	26,914
After five years but less than ten years	43,751
After ten years	36,751
Total investment securities	108,860
Total AFS securities, Amortized Cost	489,086	$ 450,243
Estimated Fair Value
Within one year	1,442
After one year but less than five years	26,638
After five years but less than ten years	41,755
After ten years	36,613
Total investment securities	106,448
Total AFS securities	468,060	427,903
MBS and CMOs
Amortized Cost
Total AFS securities, Amortized Cost	380,226	324,495
Estimated Fair Value
Total AFS securities	$ 361,612	$ 304,861