Commitments and Contingencies (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract]
Purchase commitment, amount	$ 18.2	$ 19.6
Outstanding letters of credit	$ 19.5
Majority of standby letters of credit maturity period	1 year