Interest Income and Interest Expense (Tables)

12 Months Ended

Dec. 31, 2020

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): 

	Year Ended December 31,
	2020			2019		2018
Interest income:
Loans held for investment, net	$	331,813		$	379,848	$	300,541
Investment securities		149,915			231,021		252,200
Margin balances		28,155			52,008		49,515
Financial instruments owned		12,594			23,528		21,407
Other		1,355			38,477		22,786
	$	523,832		$	724,882	$	646,449
Interest expense:
Senior notes	$	54,063		$	44,507	$	44,610
Bank deposits		14,550			95,813		82,256
Federal Home Loan Bank advances		3,667			7,872		15,173
Other		(6,502	)		29,739		28,037
	$	65,778		$	177,931	$	170,076