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Regulatory Requirements (Details) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Regulatory Requirements Uniform Net Capital Rule    
Net Capital $ 370,604us-gaap_NetCapital $ 338,568us-gaap_NetCapital
Minimum Net Capital Requirement $ 84,055us-gaap_MinimumNetCapitalRequired1 $ 90,931us-gaap_MinimumNetCapitalRequired1
Ratio of Aggregate Indebtedness to Net Capital 3.40us-gaap_RatioOfIndebtednessToNetCapital1 4.03us-gaap_RatioOfIndebtednessToNetCapital1