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CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical) - $ / shares
Dec. 31, 2017
Dec. 31, 2016
Preferred stock, liquidation value (in Dollars per share) $ 1,000 $ 1,000
Preferred stock, shares authorized 5,000,000 5,000,000
Common stock, shares authorized 50,000,000 50,000,000
Common stock, shares issued 34,135,782 34,012,229
Common stock, shares outstanding 32,071,860 31,948,307
Treasury Stock, Shares 2,063,922 2,063,922
Series B Preferred Stock [Member]    
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0