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CONDENSED CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical) - $ / shares
Jun. 30, 2022
Dec. 31, 2021
Stockholder's equity:    
Common stock, par value $ 1 $ 1
Common stock, authorized shares 100,000,000 100,000,000
Common stock, issued shares 32,403,235 32,403,235
Common stock, outstanding shares 32,403,235 32,403,235