Income Taxes - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Operating Loss Carryforwards [Line Items]
Income tax (benefit) expense	$ (16,918)	$ 5,199	$ 4,422
Return-to-provision	(7,613)	(341)	$ 0
Tax credit carryforward	400	$ 500
COVID-19
Operating Loss Carryforwards [Line Items]
Other nonrecurring expense, recoveries	$ 1,300