Employee Benefits - Contributions to Multiemployer Pensions and Health and Welfare Benefit Plans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Multiemployer Plan [Line Items]
Total contributions	$ 5,676	$ 2,080	$ 1,483
Pension plans
Multiemployer Plan [Line Items]
Total contributions	2,783	1,128	809
Health & welfare plans
Multiemployer Plan [Line Items]
Total contributions	$ 2,893	$ 952	$ 674