Income Taxes - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income Tax Contingency [Line Items]
Net decrease in valuation allowance	$ 0.1
State net operating loss carryforwards	34.4
State tax credit carryforwards	1.3
Unrecognized tax benefits that would impact effective tax rate	0.9
Reductions in the liability for unrecognized tax benefits due to expiration of statues of limitation	0.5
Liability for interest expense	0.4	$ 0.7
Liability for penalties	$ 0.2	0.2
Maximum
Income Tax Contingency [Line Items]
Accrued interest expense		$ 0.1