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Accounting Standard Updates ("ASU") - Additional information (Details) - USD ($)
Sep. 30, 2023
Jun. 30, 2023
Accounting standard updates ("ASU")    
Loans held for investment fair value (in dollars) $ 1,061,000 $ 1,312,000
Retained Earnings (Accumulated Deficit) 207,231,000 207,274,000
Impact to allowance after ASC 326 adoption | ASU 2016-13    
Accounting standard updates ("ASU")    
Transition adjustment of the adoption of CECL 1,200,000  
Retained Earnings (Accumulated Deficit) $ (824,000)  
LIBOR    
Accounting standard updates ("ASU")    
Loans held for investment fair value (in dollars)   $ 469,400,000