Income Taxes - Components of Income Tax (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Tax Disclosure [Abstract]
Current income tax benefit (expense)	$ 0	$ 46	$ (30)	$ 33
Deferred income tax (expense) benefit	0	(92)	15	(204)
Total income tax expense	$ 0	$ (46)	$ (15)	$ (171)