Income Taxes - Schedule of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized Tax Benefits, Beginning Balance	$ 225	$ 370	$ 1,425
Additions for tax positions taken in prior years	25	151	31
Reductions for lapse of applicable statutes	0	(296)	(1,086)
Unrecognized Tax Benefits, Ending Balance	$ 250	$ 225	$ 370