Arbitrage Trading Account And Arbitrage Funds

9 Months Ended

Sep. 30, 2011

Arbitrage Trading Account And Arbitrage Funds [Abstract]

Arbitrage Trading Account And Arbitrage Funds

Arbitrage Trading Account and Arbitrage Funds

The fair value and carrying value of the arbitrage trading account and arbitrage funds and related assets and liabilities were as follows:

(Dollars in thousands)	September 30, 2011			December 31, 2010
Arbitrage trading account	$	327,883		$	359,192
Investment in arbitrage funds	56,606			60,660
Related assets and liabilities:
Receivables from brokers	380,887			339,235
Securities sold but not yet purchased	(60,973		)	(53,494		)