Assets Segregated or Held in Seperate Accounts Under Federal or Other Regulations (Tables)

6 Months Ended

Jun. 30, 2013

Cash and Cash Equivalents [Abstract]

Cash and Securities Segregated Under U.S. Federal and Other Regulation

Cash and securities segregated under U.S. federal and other regulations primarily relate to the Company’s FCM business acquired by the Company in June 2012 and consist of the following (in thousands):

	June 30, 2013		December 31, 2012
Cash and securities segregated under federal or other regulations
Cash and cash equivalents	$	203,045	$	163,992
U.S. government obligations	—		3,000
Total cash and securities segregated under federal or other regulations	203,045		166,992
Receivables from brokers, dealers and clearing organizations	297,273		266,951
Total assets segregated or held in separate accounts under federal or other regulations	$	500,318	$	433,943