Available for Sale Securities - Amortized Cost and Fair Value of Available-for-sale Securities, by Contractual Maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Jun. 30, 2022
Amortized Cost
Within one year	$ 2,512
After one year but less than five years	12,943
After five years but less than ten years	37,320
After ten years	17,877
Total investment securities	70,652
Total AFS securities, Amortized Cost	255,414	$ 257,760
Estimated Fair Value
Within one year	2,491
After one year but less than five years	12,444
After five years but less than ten years	34,602
After ten years	16,703
Total investment securities	66,240
Available for sale securities	231,389	235,394
Debt and Equity Securities
Amortized Cost
Total AFS securities, Amortized Cost	70,652	68,687
Estimated Fair Value
Available for sale securities	66,240	64,809
Total MBS and CMOs
Amortized Cost
Total AFS securities, Amortized Cost	184,762	189,073
Estimated Fair Value
Available for sale securities	$ 165,149	$ 170,585