Fair Value Measurements and Fair Value of Financial Instruments, Carrying Amount and Estimated Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Jun. 30, 2023
Carrying Amounts and Estimated Fair Value of Financial Instruments [Abstract]
Securities available-for-sale	$ 350,001	$ 281,133
Equity securities	328	306
Carrying Amount [Member]
Carrying Amounts and Estimated Fair Value of Financial Instruments [Abstract]
Cash and cash equivalents	190,395	196,445
Long term certificate of deposit	2,831	4,576
Securities available-for-sale	350,001	281,133
Securities held-to-maturity	690,354	726,363
Equity securities	328	306
Federal Home Loan Bank stock	7,296	1,682
Net loans receivable	1,480,229	1,387,654
Accrued interest receivable	14,269	12,249
Interest rate swaps asset	585
Deposits	2,389,222	2,437,161
Borrowings	149,456
Subordinated notes payable, net	49,681	49,495
Accrued interest payable	1,551	936
Interest rate swaps liability	585
Fair Value [Member]
Carrying Amounts and Estimated Fair Value of Financial Instruments [Abstract]
Cash and cash equivalents	190,395	196,445
Long term certificate of deposit	2,760	4,383
Securities available-for-sale	350,001	281,133
Securities held-to-maturity	630,241	671,066
Equity securities	328	306
Federal Home Loan Bank stock	7,296	1,682
Net loans receivable	1,387,325	1,272,361
Accrued interest receivable	14,269	12,249
Interest rate swaps asset	585
Deposits	2,388,305	2,437,357
Borrowings	149,438
Subordinated notes payable, net	46,114	47,669
Accrued interest payable	1,551	936
Interest rate swaps liability	585
Fair Value [Member] | Level 1 [Member]
Carrying Amounts and Estimated Fair Value of Financial Instruments [Abstract]
Cash and cash equivalents	190,395	196,445
Long term certificate of deposit	0	0
Securities available-for-sale	0	0
Securities held-to-maturity	0	0
Equity securities	328	306
Federal Home Loan Bank stock	0	0
Net loans receivable	0	0
Accrued interest receivable	0	0
Interest rate swaps asset	0
Deposits	0	0
Borrowings	0
Subordinated notes payable, net	0	0
Accrued interest payable	0	0
Interest rate swaps liability	0
Fair Value [Member] | Level 2 [Member]
Carrying Amounts and Estimated Fair Value of Financial Instruments [Abstract]
Cash and cash equivalents	0	0
Long term certificate of deposit	2,760	4,383
Securities available-for-sale	350,001	281,133
Securities held-to-maturity	630,241	671,066
Equity securities	0	0
Federal Home Loan Bank stock	7,296	1,682
Net loans receivable	0	0
Accrued interest receivable	14,269	12,249
Interest rate swaps asset	585
Deposits	2,388,305	2,437,357
Borrowings	149,438
Subordinated notes payable, net	46,114	47,669
Accrued interest payable	1,551	936
Interest rate swaps liability	585
Fair Value [Member] | Level 3 [Member]
Carrying Amounts and Estimated Fair Value of Financial Instruments [Abstract]
Cash and cash equivalents	0	0
Long term certificate of deposit	0	0
Securities available-for-sale	0	0
Securities held-to-maturity	0	0
Equity securities	0	0
Federal Home Loan Bank stock	0	0
Net loans receivable	1,387,325	1,272,361
Accrued interest receivable	0	0
Interest rate swaps asset	0
Deposits	0	0
Borrowings	0
Subordinated notes payable, net	0	0
Accrued interest payable	0	$ 0
Interest rate swaps liability	$ 0