Commitments and Contingencies (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Loss Contingencies [Line Items]
Restricted cash	$ 5,401,000	$ 6,151,000	$ 8,191,000
Asset retirement obligation	1,100,000	1,200,000
Health claims
Loss Contingencies [Line Items]
Threshold for claims to be insured by third party insurers	250,000
Accrued liabilities for uninsured portion of claims	700,000	700,000
Workers compensation auto and general liability claims
Loss Contingencies [Line Items]
Threshold for claims to be insured by third party insurers	750,000
Accrued liabilities for uninsured portion of claims	2,500,000	$ 2,800,000
Performance Bonds
Loss Contingencies [Line Items]
Restricted cash	5,400,000
Credit Agreement | Performance Bonds
Loss Contingencies [Line Items]
Letters of credit outstanding, amount	$ 45,300,000