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CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical) - USD ($)
$ in Thousands
Sep. 30, 2023
Sep. 30, 2022
STOCKHOLDERS’ EQUITY    
Securities held to maturity, fair value $ 31,425 $ 38,171
Preferred stock, shares authorized (in shares) 3,000,000 3,000,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Treasury stock (in shares) 41,980 90,053
Common Class A    
STOCKHOLDERS’ EQUITY    
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 90,000,000 90,000,000
Common stock, shares issued (in shares) 26,225,563 28,878,177
Common stock, shares outstanding (in shares) 26,183,583 28,788,124
Nonvoting Common Stock    
STOCKHOLDERS’ EQUITY    
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 3,000,000 3,000,000
Common stock, shares issued (in shares) 0 0
Common stock, shares outstanding (in shares) 0 0