Condensed Consolidated Statements of Financial Condition (unaudited) (Parenthetical) (USD $)	Mar. 31, 2015	Dec. 31, 2014
Shareholders' Equity
Convertible preferred stock, par value (in dollars per share)	$ 0us-gaap_PreferredStockNoParValue	$ 0us-gaap_PreferredStockNoParValue
Convertible preferred stock, shares authorized (in shares)	200,000us-gaap_PreferredStockSharesAuthorized	200,000us-gaap_PreferredStockSharesAuthorized
Convertible preferred stock, shares issued (in shares)	0us-gaap_PreferredStockSharesIssued	0us-gaap_PreferredStockSharesIssued
Convertible preferred stock, shares outstanding (in shares)	0us-gaap_PreferredStockSharesOutstanding	0us-gaap_PreferredStockSharesOutstanding
Common stock, par value (in dollars per share)	$ 0us-gaap_CommonStockNoParValue	$ 0us-gaap_CommonStockNoParValue
Common stock, shares authorized (in shares)	500,000,000us-gaap_CommonStockSharesAuthorized	500,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued (in shares)	22,958,316us-gaap_CommonStockSharesIssued	22,957,323us-gaap_CommonStockSharesIssued
Common stock, shares outstanding (in shares)	22,958,316us-gaap_CommonStockSharesOutstanding	22,957,323us-gaap_CommonStockSharesOutstanding

Face amount per share of no-par value common stock.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Face amount per share of no-par value preferred stock nonredeemable or redeemable solely at the option of the issuer.

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