Interest Income And Interest Expense (Components Of Interest Income And Interest Expense) (Tables)

9 Months Ended

Sep. 30, 2013

Interest Income And Interest Expense [Abstract]

Components Of Interest Income And Interest Expense

	Year Ended December 31,
	2013		2012		2011
Interest income:
Investment securities	$	62,155	$	45,946	$	37,217
Bank loans, net of unearned income		38,608		28,595		19,495
Margin balances		18,222		19,079		18,681
Other		23,544		15,085		13,806
	$	142,529	$	108,705	$	89,199
Interest expense:
Senior notes		20,648		11,777		-
Bank deposits		11,775		15,013		16,731
Other		13,945		6,580		8,573
	$	46,368	$	33,370	$	25,304