Income Taxes - Schedule of Actual Tax Provision Differed From Federal Statutory Corporate Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Federal tax benefit (expense) at statutory rate	$ 2,544	$ (1,575)	$ (2,844)
State income tax benefit (expense), net of federal benefit	2,379	(854)	(1,798)
Corporate income tax rate adjustment	2,048	0	0
Income tax benefit (expense)	$ 6,971	$ (2,429)	$ (4,642)