v3.26.1
Fair Value Measurements and Fair Value of Financial Instruments - Assets Measured at Fair Value on Recurring Basis (Details) - Recurring [Member] - USD ($)
$ in Thousands
Mar. 31, 2026
Jun. 30, 2025
Assets:    
Securities available-for-sale $ 370,201 $ 356,062
Equity securities 355 402
Interest rate swaps 3,823 4,733
Total 374,379 361,197
Liabilities:    
Interest rate swaps 3,823 4,733
Total 3,823 4,733
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]    
Assets:    
Securities available-for-sale 0 0
Equity securities 355 402
Interest rate swaps 0 0
Total 355 402
Liabilities:    
Interest rate swaps 0 0
Total 0 0
Significant Other Observable Inputs (Level 2) [Member]    
Assets:    
Securities available-for-sale 370,201 356,062
Equity securities 0 0
Interest rate swaps 3,823 4,733
Total 374,024 360,795
Liabilities:    
Interest rate swaps 3,823 4,733
Total 3,823 4,733
Significant Unobservable Inputs (Level 3) [Member]    
Assets:    
Securities available-for-sale 0 0
Equity securities 0 0
Interest rate swaps 0 0
Total 0 0
Liabilities:    
Interest rate swaps 0 0
Total 0 0
U.S. Treasury Securities [Member]    
Assets:    
Securities available-for-sale 5,789 10,453
U.S. Treasury Securities [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]    
Assets:    
Securities available-for-sale 0 0
U.S. Treasury Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]    
Assets:    
Securities available-for-sale 5,789 10,453
U.S. Treasury Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]    
Assets:    
Securities available-for-sale 0 0
U.S. Government Sponsored Enterprises [Member]    
Assets:    
Securities available-for-sale 6,371 11,644
U.S. Government Sponsored Enterprises [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]    
Assets:    
Securities available-for-sale 0 0
U.S. Government Sponsored Enterprises [Member] | Significant Other Observable Inputs (Level 2) [Member]    
Assets:    
Securities available-for-sale 6,371 11,644
U.S. Government Sponsored Enterprises [Member] | Significant Unobservable Inputs (Level 3) [Member]    
Assets:    
Securities available-for-sale 0 0
State and Political Subdivisions [Member]    
Assets:    
Securities available-for-sale 215,643 209,844
State and Political Subdivisions [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]    
Assets:    
Securities available-for-sale 0 0
State and Political Subdivisions [Member] | Significant Other Observable Inputs (Level 2) [Member]    
Assets:    
Securities available-for-sale 215,643 209,844
State and Political Subdivisions [Member] | Significant Unobservable Inputs (Level 3) [Member]    
Assets:    
Securities available-for-sale 0 0
Mortgage-backed Securities-Residential [Member]    
Assets:    
Securities available-for-sale 50,879 31,587
Mortgage-backed Securities-Residential [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]    
Assets:    
Securities available-for-sale 0 0
Mortgage-backed Securities-Residential [Member] | Significant Other Observable Inputs (Level 2) [Member]    
Assets:    
Securities available-for-sale 50,879 31,587
Mortgage-backed Securities-Residential [Member] | Significant Unobservable Inputs (Level 3) [Member]    
Assets:    
Securities available-for-sale 0 0
Mortgage-backed Securities-Multi-family [Member]    
Assets:    
Securities available-for-sale 75,904 74,597
Mortgage-backed Securities-Multi-family [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]    
Assets:    
Securities available-for-sale 0 0
Mortgage-backed Securities-Multi-family [Member] | Significant Other Observable Inputs (Level 2) [Member]    
Assets:    
Securities available-for-sale 75,904 74,597
Mortgage-backed Securities-Multi-family [Member] | Significant Unobservable Inputs (Level 3) [Member]    
Assets:    
Securities available-for-sale 0 0
Corporate Debt Securities [Member]    
Assets:    
Securities available-for-sale 15,615 17,937
Corporate Debt Securities [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]    
Assets:    
Securities available-for-sale 0 0
Corporate Debt Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]    
Assets:    
Securities available-for-sale 15,615 17,937
Corporate Debt Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]    
Assets:    
Securities available-for-sale $ 0 $ 0