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

6 Months Ended

Jun. 30, 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 June 30, 2017 and December 31, 2016 are as follows (in thousands):

	June 30, 2017		December 31, 2016
Financial instruments owned:
U.S. government securities	$	16,924	$	9,951
U.S. government agency securities		119,703		89,833
Mortgage-backed securities:
Agency		313,463		305,774
Non-agency		54,566		28,402
Corporate securities:
Fixed income securities		367,866		299,946
Equity securities		43,671		32,044
State and municipal securities		147,458		159,095
	$	1,063,651	$	925,045
Financial instruments sold, but not yet purchased:
U.S. government securities	$	298,832	$	362,536
U.S. government agency securities		1,995		20,549
Mortgage-backed securities:
Agency		118,458		94,552
Non-agency		16		1
Corporate securities:
Fixed income securities		245,148		202,968
Equity securities		41,091		18,395
State and municipal securities		37		31
	$	705,577	$	699,032