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Construction Joint Ventures - Construction Joint Ventures, Partner Share (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Schedule of Equity Method Investments [Line Items] |  |
Current assets | $ 416,447 | $ 357,521
Current liabilities | (337,692) | (293,504)
Sterling’s receivables from and equity in noncontrolling construction joint ventures | 12,396 | 9,196
Joint Ventures |  |
Schedule of Equity Method Investments [Line Items] |  |
Current assets | 136,284 | 92,710
Current liabilities | (142,553) | (86,705)
Sterling’s receivables from and equity in noncontrolling construction joint ventures | $ 12,396 | $ 9,196

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