Income Taxes - Components of Income Tax (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Tax Disclosure [Abstract]
Current income tax expense	$ (30)	$ (4)	$ (30)	$ (13)
Deferred income tax benefit (expense)	15	(42)	15	(112)
Total income tax expense	$ (15)	$ (46)	$ (15)	$ (125)