Interest Income and Interest Expense (Tables)

9 Months Ended

Sep. 30, 2019

Banking And Thrift Interest [Abstract]

Components Of Interest Income And Interest Expense

The components of interest income and interest expense are as follows (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Interest income:
Bank loans, net	$	95,436	$	78,766	$	284,541	$	210,790
Investment securities		54,945		66,825		182,127		185,263
Margin balances		13,334		13,066		40,437		36,322
Financial instruments owned		5,668		5,733		18,395		15,645
Other		9,401		5,370		32,295		13,895
	$	178,784	$	169,760	$	557,795	$	461,915
Interest expense:
Bank deposits	$	24,815	$	25,856	$	82,228	$	49,329
Senior notes		11,121		11,248		33,365		33,488
Federal Home Loan Bank advances		1,146		4,232		5,735		10,579
Other		7,062		7,132		25,155		18,804
	$	44,144	$	48,468	$	146,483	$	112,200