Income Taxes - Components of Income Tax (Benefit) Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Current:
Federal	$ (13)	$ (26)
State	1	1
Current Income Tax Expense (Benefit), total	(12)	(25)
Deferred:
Federal	13	87
State	0	0
Deferred Income Tax Expense (Benefit), total	13	87
Income tax expense	$ 1	$ 62