Business Information (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2021

Dec. 31, 2020

Segment Reporting [Abstract]

Schedule of geographical distribution of revenues and assets based on the location of the office

The following tables set forth the geographical distribution of revenues and assets based on the location of the office that generates the revenues or holds the assets and therefore may not be indicative of the geography in which the Company’s clients are located:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Revenues
United States	$	150,113	$	96,519	$	494,976	$	237,869
International	27,314		26,325		107,773		91,972
Total	$	177,427	$	122,844	$	602,749	$	329,841

	September 30, 2021		December 31, 2020
Assets
United States	$	496,273	$	406,884
International	167,387		136,069
Total	$	663,660	$	542,953

The following tables set forth the geographical distribution of revenues and assets based on the location of the office that generates the revenues or holds the assets and therefore may not be reflective of the geography in which the Company’s clients are located.

	Year Ended December 31,
	2020		2019		2018
Revenues
United States	$	387,038	$	446,320	$	576,100
Rest of the world	131,948		86,977		125,889
Total	$	518,986	$	533,297	$	701,989

	December 31,
	2020		2019
Assets
United States	$	406,884	$	421,530
Rest of the world	136,069		103,315
Total	$	542,953	$	524,845