XML 39 R76.htm IDEA: XBRL DOCUMENT v2.4.0.8
Sale of Equity Derivatives Business, Management Contracts, and Investment Advisory Agreements (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Assets under Management, Carrying Amount $ 5,700,000,000    
Equity Derivatives Brokerage Business [Member]
     
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Revenue share allocation percentage 4.50%    
Capital transaction allocation percentage 10.00%    
Disposal Group, Including Discontinued Operation, Revenue   7,842,000 7,946,000
Disposal Group, Including Discontinued Operation, Operating Income (Loss)   711,000 979,000
Strategos Deep Value Funds Asset Management Rights [Member]
     
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Revenue share allocation percentage 10.00%    
Company's one time option to purchase 10.00%    
Percentage Of Revenue Earned And Collected By Buyer As Purchase Price 20.00%    
Percentage Of Revenue Earned And Collected By Buyer For Repurchase Option 30.00%    
Percentage of Management Fees Related To Collateralized Debt Obligation High End of Range 10.00%    
Collateralized Debt Obligations [Member]
     
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Assets under Management, Carrying Amount 5,400,000,000    
Collateralized Debt Obligations [Member] | Strategos Deep Value Funds Asset Management Rights [Member]
     
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Assets under Management, Carrying Amount $ 363,500,000