v3.26.1
Organization and Summary of Significant Accounting Policies - Goodwill and Intangible Assets (Details) - USD ($)
9 Months Ended 12 Months Ended
Mar. 31, 2026
Jun. 30, 2025
Finite-Lived Intangible Assets [Line Items]    
Impairment loss on goodwill $ 0 $ 0
Core deposit intangible assets, amortization method using the straight line method  
Impairment of intangible assets $ 0 0
Core Deposits    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross 39,100,000 39,100,000
Intangibles assets, accumulated amortization 23,300,000 21,100,000
Remainder of fiscal 2026 702,000  
2027 2,700,000  
2028 2,700,000  
2029 2,700,000  
2030 2,500,000  
Thereafter 6,400,000  
Other identifiable intangibles    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross 6,600,000 6,400,000
Intangibles assets, accumulated amortization 4,700,000 4,500,000
Mortgage and SBA servicing rights    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, net $ 2,800,000 $ 2,900,000
Minimum | Core Deposits    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, amortization period 5 years  
Maximum | Core Deposits    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, amortization period 10 years