v3.26.1
Fair Value of Financial Instruments - Additional Information (Details)
Jun. 30, 2026
USD ($)
property
Jun. 30, 2025
USD ($)
property
Jun. 30, 2024
USD ($)
Jun. 30, 2023
USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Loans receivable $ 5,875,325,000 $ 5,812,937,000    
Loans acquired with deteriorated credit quality 45,496,000 46,191,000 $ 44,939,000 $ 48,734,000
Other real estate owned $ 5,519,000 $ 0    
Nonresidential Property        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Number of other real estate owned acquired through foreclosure | property 2 0    
Significant Unobservable Inputs (Level 3)        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Collateral dependent loans, fair value $ 17,386,000      
Other real estate owned 5,519,000 $ 0    
Significant Unobservable Inputs (Level 3) | Real Estate        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Loans receivable 18,400,000 22,500,000    
Loans acquired with deteriorated credit quality 1,100,000 1,400,000    
Collateral dependent loans, fair value $ 17,400,000 21,100,000    
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Nonrecurring        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Collateral dependent loans, fair value   $ 21,082,000