Revenue From Contracts With Customers - Narrative (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
---|---|---|---|---|---|
Jun. 30, 2020 |
Jun. 30, 2019 |
Jun. 30, 2020 |
Jun. 30, 2019 |
Dec. 31, 2019 |
|
Disaggregation of Revenue [Line Items] | |||||
Remaining performance obligation expected to be recognized over next twelve months | 63.00% | 63.00% | |||
Costs and Estimated Earnings in Excess of Billings | |||||
Disaggregation of Revenue [Line Items] | |||||
Contracts receivable unpaid project contract price | $ 8,200 | $ 8,200 | $ 3,000 | ||
Operating income (Loss) | |||||
Disaggregation of Revenue [Line Items] | |||||
Estimated construction gain (loss) before tax | $ 2,197 | $ 3,500 | $ 2,292 | $ 3,300 |