XML 55 R45.htm IDEA: XBRL DOCUMENT v3.25.0.1
Loans and Allowance for Credit Losses - Additional Information (Detail)
 6 Months Ended 12 Months Ended
Dec. 31, 2024
USD ($)
Jun. 30, 2024
USD ($)
SecurityLoan
Dec. 31, 2024
USD ($)
SecurityLoan
Loans and Allowance for Credit Losses [Line Items]      
Maximum term of fixed-rate one- to four-family residential mortgage loans 15 years    
Number of default loans | SecurityLoan   0 0
Fair Value, Concentration of Risk, Collateral Policy [Member]      
Loans and Allowance for Credit Losses [Line Items]      
Commercial and multi-family real estate $ 349,832,000 $ 346,499,000 $ 349,832,000
Troubled Debt Restructurings [Member]      
Loans and Allowance for Credit Losses [Line Items]      
Minimum period for default 90 days    
Residential Real Estate [Member]      
Loans and Allowance for Credit Losses [Line Items]      
Foreclosed residential real estate properties $ 0 0 0
One- to four-family [Member]      
Loans and Allowance for Credit Losses [Line Items]      
Loans held for sale $ 0 0 0
Maximum term of fixed-rate one- to four-family residential mortgage loans 15 years    
Purchased Loans and Loan Participations [Member]      
Loans and Allowance for Credit Losses [Line Items]      
Approximate amount of purchase loans included in loans receivable $ 225,000 253,000 225,000
Approximate amount of loans included on out-of-area participation 55,944,000 51,798,000 55,944,000
Amount within 100 miles of primary area $ 38,755,000 $ 34,929,000 $ 38,755,000