Revenue from Contracts with Customers (Tables)

12 Months Ended

Dec. 31, 2019

Revenue From Contract With Customer [Abstract]

Summary of Revenues from Contracts with Customers and Other Sources of Revenues

The following table presents the Company’s total revenues separated between revenues from contracts with customers and other sources of revenues (in thousands):

	Year Ended December 31, 2019		Year Ended December 31, 2018
Revenue from contracts with customers:
Commissions	$	1,645,818	$	1,511,522
Data, software, and post-trade		73,166		65,185
Fees from related parties		29,442		24,076
Other revenues		12,806		3,837
Total revenue from contracts with customers		1,761,232		1,604,620
Other sources of revenue:
Principal transactions		321,923		313,053
Interest income		18,319		14,404
Other revenues		2,757		5,733
Total revenues	$	2,104,231	$	1,937,810