Revenues and Business Information (Tables)

12 Months Ended

Dec. 31, 2019

Segment Reporting [Abstract]

Schedule of Geographical Distribution of Revenues and Assets

	Year Ended December 31,
	2019		2018		2017
Revenues:
United States	$	635,787	$	731,265	$	535,985
Europe		78,842		95,844		111,088
Rest of World		31,905		58,731		37,542
Total	$	746,534	$	885,840	$	684,615

	December 31,		December 31,
	2019		2018
Assets:
United States	$	934,654	$	756,053
Europe		67,247		55,064
Rest of World		69,798		103,258
Total	$	1,071,699	$	914,375