|
Counterparty Risk (% Of Total Receivable For Securities Sold) (Details)
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Sep. 30, 2012
|
|---|---|
|
CS First Boston [Member]
|
|
| Financial Highlights [Line Items] | |
| % of Total Receivable for Securities Sold | 35.00% |
|
Morgan Stanley [Member]
|
|
| Financial Highlights [Line Items] | |
| % of Total Receivable for Securities Sold | 18.00% |