XML 44 R35.htm IDEA: XBRL DOCUMENT v3.24.0.1
New Accounting Pronouncements - Additional Information (Detail) - USD ($)
Dec. 31, 2023
Sep. 30, 2023
Jun. 30, 2023
Dec. 31, 2022
Sep. 30, 2022
Jul. 01, 2022
Jun. 30, 2022
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Retained Earnings (Accumulated Deficit) $ 43,377,000   $ 43,365,000        
Allowance for loan losses 7,935,000 $ 7,450,000 7,139,000 $ 7,166,000 $ 7,023,000   $ 7,052,000
Off-Balance-Sheet, Credit Loss, Liability $ 56,000   $ 216,000        
Accounting Standards Update 2016-13 [Member]              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Retained Earnings (Accumulated Deficit)           $ 388,000,000  
Allowance for loan losses           47,000,000  
Off-Balance-Sheet, Credit Loss, Liability           $ 496,000,000