Available for Sale Securities - Amortized Cost and Fair Value of Available-for-sale Securities, by Contractual Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021
Amortized Cost
Within one year	$ 868
After one year but less than five years	10,485
After five years but less than ten years	32,161
After ten years	25,173
Total investment securities	68,687
Total AFS securities, Amortized Cost	257,760	$ 203,286
Estimated Fair Value
Within one year	869
After one year but less than five years	10,258
After five years but less than ten years	30,340
After ten years	23,342
Total investment securities	64,809
Available for sale securities (Note 2)	235,394	207,020
Debt and Equity Securities
Amortized Cost
Total AFS securities, Amortized Cost	68,687	67,260
Estimated Fair Value
Available for sale securities (Note 2)	64,809	68,679
Total MBS and CMOs
Amortized Cost
Total AFS securities, Amortized Cost	189,073	136,026
Estimated Fair Value
Available for sale securities (Note 2)	$ 170,585	$ 138,341

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