Segment Information - Additional Information (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2020 USD ($) Segment	Dec. 31, 2019 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | Segment	3
Number of operating segments | Segment	0
Segment assets	$ 0
Assets	1,654,943	$ 563,387
Non-US
Segment Reporting Information [Line Items]
Assets	$ 0	$ 0