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Regulatory Requirements (Tables)

12 Months Ended

Dec. 31, 2012

Regulatory Requirements [Abstract]

Regulatory Requirements Uniform Net Capital Rule

		Year Ended December 31,
		2012				2011
Net Capital		$	354,029			$	360,167
Minimum Net Capital Requirement			46,597				38,139
Ratio of Aggregate Indebtedness to Net Capital			1.97 to 1				1.59 to 1

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Tabular disclosure of net capital balances, minimum net capital requirements and ratio of aggregate indebtedness to net capital.

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