Employee Benefit Plans - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Compensation And Retirement Disclosure [Abstract]
Contribution to defined contribution plan by employer	$ 4.2	$ 4.4	$ 3.9
Funding valuation period	3 years
Defined benefit plan estimated employer contributions for 2021	$ 1.0
Defined benefit plan estimated employer contributions increasing percentage for 2021 thereafter	2.90%