Multiemployer Pension Plans - Additional Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($)
Multiemployer Pension Plan Disclosure [Line Items]
Percentage of employees participating in multiemployer pension plans to total employees	50.00%
Company's contributions to the multiemployer plans is less than	5.00%
Minimum
Multiemployer Pension Plan Disclosure [Line Items]
Estimated annual contribution to pension and other postretirement benefit plans	$ 3.0
Maximum
Multiemployer Pension Plan Disclosure [Line Items]
Estimated annual contribution to pension and other postretirement benefit plans	$ 5.0