Income Taxes - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Operating Loss Carryforwards [Line Items]
Increase in valuation allowance	$ 28.4
Federal
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	201.3
Operating loss carryforwards not subject to expiration	$ 165.3
State
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards		$ 64.9