Financial Instruments Owned And Financial Instruments Sold, But Not Yet Purchased (Tables)

3 Months Ended

Mar. 31, 2017

Trading Securities Balance Sheet Reported Amounts [Abstract]

Components Of Trading Securities Owned And Trading Securities Sold, But Not Yet Purchased

The components of financial instruments owned and financial instruments sold, but not yet purchased, at March 31, 2017 and December 31, 2016 are as follows (in thousands):

	March, 31, 2017		December 31, 2016
Financial instruments owned:
U.S. government securities	$	19,784	$	9,951
U.S. government agency securities		170,659		89,833
Mortgage-backed securities:
Agency		293,654		305,774
Non-agency		28,595		28,402
Corporate securities:
Fixed income securities		356,364		299,946
Equity securities		39,791		32,044
State and municipal securities		149,242		159,095
	$	1,058,089	$	925,045
Financial instruments sold, but not yet purchased:
U.S. government securities	$	351,765	$	362,536
U.S. government agency securities		—		20,549
Mortgage-backed securities:
Agency		96,975		94,552
Non-agency		—		1
Corporate securities:
Fixed income securities		260,410		202,968
Equity securities		45,308		18,395
State and municipal securities		—		31
	$	754,458	$	699,032