Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Operating Loss Carryforwards [Line Items]
Valuation allowance	$ (38,721)	$ (17,732)
Change in deferred tax valuation allowance	20,989	(1,636)
Uncertain tax benefits from prior period tax positions		39,400
Gross deferred tax assets	8,300	$ 8,300
Domestic
Operating Loss Carryforwards [Line Items]
Federal operating loss carry forward	106,600
Domestic | Begin To Expire In 2033
Operating Loss Carryforwards [Line Items]
Federal operating loss carry forward	52,000
Domestic | Carries Forward Indefinitely
Operating Loss Carryforwards [Line Items]
Federal operating loss carry forward	$ 54,600