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BENEFIT PLANS - Additional Information (Detail)
$ / shares in Units, $ in Millions
12 Months Ended
Sep. 15, 2021
Oct. 06, 2008
$ / shares
shares
Sep. 30, 2021
USD ($)
shares
Sep. 30, 2022
USD ($)
shares
BENEFIT PLANS        
Total ESOP shares | shares   610,089 335,958 306,202
Employee stock ownership plan (per share) | $ / shares   $ 3.33    
Stock split ratio 0.33   3  
Aggregate fair value of shares allocated to ESOP participants | $     $ 9.4 $ 7.0