Commitments and Contingencies - Insurance (Details) - USD ($) $ in Thousands |
12 Months Ended | |
---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
|
Commitment And Contingencies [Line Items] | ||
Insurance and other non-current liabilities | $ 311,307 | $ 404,560 |
Employer's Liability, Workers' Compensation, Auto Liability, General Liability and Group Health Care Claims | ||
Commitment And Contingencies [Line Items] | ||
Gross amount accrued for insurance claims | 287,600 | 272,900 |
Insurance and other non-current liabilities | 212,900 | 210,100 |
Related insurance recoveries/receivables | 35,100 | 56,500 |
Related insurance recoveries/receivables included in prepaid expenses and other current assets | 300 | 300 |
Related insurance recoveries/receivables included in other assets net | 34,800 | $ 56,200 |
Project Insurance Claim | ||
Commitment And Contingencies [Line Items] | ||
Insurance recoveries | $ 95,500 |