v3.25.2
Benefit Plans - Schedule of Net Funded Status (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2023
Change in benefit obligation:      
Service cost $ 71 $ 77 $ 281
Interest cost 360 369 369
Atlas Bank Retirement Income Plan ("ABRIP")      
Change in benefit obligation:      
Projected benefit obligation - beginning 1,570 1,700  
Interest cost 82 81 78
Actuarial gain 17 (51)  
Premiums/claims paid (148) (160)  
Projected benefit obligation - ending 1,521 1,570 1,700
Change in plan assets:      
Fair value of assets - beginning 2,649 2,717  
Actual return on assets 147 92  
Premiums/claims paid (148) (160)  
Fair value of assets - ending 2,648 2,649 2,717
Reconciliation of funded status:      
Projected benefit obligation (1,521) (1,570) (1,700)
Fair value of assets 2,648 2,649 2,717
Funded status included in other liabilities 1,127 1,079  
Accumulated benefit obligation $ (1,521) $ (1,570)  
Valuation assumptions      
Discount rate 5.75% 5.50%  
Benefit Equalization Plan ("BEP")      
Change in benefit obligation:      
Projected benefit obligation - beginning $ 2,254 $ 2,425  
Interest cost 117 115 111
Actuarial gain (351) (40)  
Premiums/claims paid (196) (246) (244)
Projected benefit obligation - ending 1,824 2,254 2,425
Change in plan assets:      
Fair value of assets - beginning 0 0  
Contributions 196 246 244
Premiums/claims paid (196) (246)  
Fair value of assets - ending 0 0 0
Reconciliation of funded status:      
Projected benefit obligation (1,824) (2,254) (2,425)
Fair value of assets 0 0 0
Funded status included in other liabilities (1,824) (2,254)  
Accumulated benefit obligation $ (1,824) $ (2,254)  
Valuation assumptions      
Discount rate 5.75% 5.50%  
Postretirement Welfare Plan      
Change in benefit obligation:      
Projected benefit obligation - beginning $ 1,062 $ 1,036  
Service cost 71 79 95
Interest cost 57 50 48
Actuarial gain (201) (90)  
Premiums/claims paid (13) (13)  
Plan amendments 0 0  
Projected benefit obligation - ending 976 1,062 1,036
Change in plan assets:      
Fair value of assets - beginning 0 0  
Contributions 13 13  
Premiums/claims paid (13) (13)  
Fair value of assets - ending 0 0 0
Reconciliation of funded status:      
Projected benefit obligation (976) (1,062) (1,036)
Fair value of assets 0 0 0
Funded status included in other liabilities $ (976) $ (1,062)  
Valuation assumptions      
Discount rate 5.75% 5.50%  
Salary increase rate 3.25% 3.25%  
Directors' Consultation and Retirement Plan ("DCRP")      
Change in benefit obligation:      
Projected benefit obligation - beginning $ 2,414 $ 2,520  
Interest cost 130 124 117
Actuarial gain 18 (181)  
Premiums/claims paid (79) (49)  
Projected benefit obligation - ending 2,483 2,414 2,520
Change in plan assets:      
Fair value of assets - beginning 0 0  
Contributions 79 49 49
Premiums/claims paid (79) (49)  
Fair value of assets - ending 0 0 0
Reconciliation of funded status:      
Projected benefit obligation (2,483) (2,414) (2,520)
Fair value of assets 0 0 0
Funded status included in other liabilities (2,483) (2,414)  
Accumulated benefit obligation $ (2,483) $ (2,414)  
Valuation assumptions      
Discount rate 5.75% 5.50%  
Supplemental Executive Retirement Plan (SERP)      
Change in benefit obligation:      
Projected benefit obligation - beginning $ 633 $ 633  
Service cost 0 0  
Interest cost 0 0  
Projected benefit obligation - ending 633 633 633
Change in plan assets:      
Fair value of assets - beginning 0    
Fair value of assets - ending 0 0  
Reconciliation of funded status:      
Projected benefit obligation (633) (633) $ (633)
Fair value of assets 0 0  
Funded status included in other liabilities $ (633) $ (633)  
Valuation assumptions      
Discount rate 0.00% 0.00%