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Consolidated Statements Of Financial Condition (Parenthetical) (USD $)	Sep. 30, 2011	Dec. 31, 2010	Sep. 30, 2010
Consolidated Statements Of Financial Condition [Abstract]
Accumulated amortization	$ 2,891,981	$ 2,304,107	$ 2,106,851
Common stock, no par value
Common stock, shares authorized	20,000,000	20,000,000	20,000,000
Common stock, shares issued	17,273,776	17,273,776	17,273,776
Common stock, shares outstanding	16,425,809	16,536,657	16,597,749

X

- Definition

Issuance value per share of no-par value common stock; generally not indicative of the fair market value per share.

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