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Noncontrolling Interests (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 USD ($) item | Sep. 30, 2018 USD ($) | Jun. 30, 2018 USD ($) | Mar. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Sep. 30, 2017 USD ($) | Jun. 30, 2017 USD ($) | Mar. 31, 2017 USD ($) | Dec. 31, 2018 USD ($) item | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Noncontrolling Interests |  |  |  |  |  |  |  |  |  |  |
Number of joint ventures | item | 2 |  |  |  |  |  |  |  | 2 |  |
Revenue | $ 877,670 | $ 908,902 | $ 648,787 | $ 504,119 | $ 579,017 | $ 608,311 | $ 631,165 | $ 561,502 | $ 2,939,478 | $ 2,379,995 | $ 1,996,948
Net income attributable to noncontrolling interests |  |  |  |  |  |  |  |  | 10,132 | 4,496 | 1,002
Distributions to non-controlling interests |  |  |  |  |  |  |  |  | 13,084 |  |
Cash | 151,063 |  |  |  | 170,385 |  |  |  | 151,063 | 170,385 |
Accounts receivable | 372,695 |  |  |  | 291,589 |  |  |  | 372,695 | 291,589 |
Contract assets | 364,245 |  |  |  | 265,902 |  |  |  | 364,245 | 265,902 |
Accounts payable | 249,217 |  |  |  | 140,943 |  |  |  | 249,217 | 140,943 |
Contract liabilities | 189,539 |  |  |  | 169,377 |  |  |  | 189,539 | 169,377 |
Non Controlling Interest |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interests |  |  |  |  |  |  |  |  |  |  |
Distributions to non-controlling interests |  |  |  |  |  |  |  |  | 13,084 |  |
Carlsbad |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interests |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 102,868 | 110,669 | 7,254
Net income attributable to noncontrolling interests |  |  |  |  |  |  |  |  | 9,483 | 1,780 | 325
Distributions to partners |  |  |  |  |  |  |  |  | 9,000 | 0 |
Cash | 3,117 |  |  |  | 44,308 |  |  |  | 3,117 | 44,308 |
Accounts receivable | 4,451 |  |  |  | 15,343 |  |  |  | 4,451 | 15,343 |
Contract assets | 8,158 |  |  |  |  |  |  |  | 8,158 |  |
Accounts payable | 2,279 |  |  |  | 12,352 |  |  |  | 2,279 | 12,352 |
Contract liabilities | 5,946 |  |  |  | 42,743 |  |  |  | 5,946 | 42,743 |
Due to Primoris | 1,979 |  |  |  |  |  |  |  | 1,979 |  |
Carlsbad | Non Controlling Interest |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interests |  |  |  |  |  |  |  |  |  |  |
Distributions to partners |  |  |  |  |  |  |  |  | 9,000 |  |
Wilmington |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interests |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 2,133 | 31,638 | 19,781
Net income attributable to noncontrolling interests |  |  |  |  |  |  |  |  | 649 | 2,716 | $ 677
Distributions to partners |  |  |  |  |  |  |  |  | 4,100 |  |
Non-controlling interest distribution |  |  |  |  |  |  |  |  |  | 0 |
Cash | 10 |  |  |  | 15,948 |  |  |  | 10 | 15,948 |
Accounts receivable |  |  |  |  | 598 |  |  |  |  | 598 |
Accounts payable |  |  |  |  | 759 |  |  |  |  | 759 |
Contract liabilities |  |  |  |  | 1,480 |  |  |  |  | 1,480 |
Due to Primoris |  |  |  |  | 7,428 |  |  |  |  | 7,428 |
Wilmington | Non Controlling Interest |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interests |  |  |  |  |  |  |  |  |  |  |
Distributions to partners |  |  |  |  |  |  |  |  | 4,100 |  |
Carlsbad and Wilmington |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interests |  |  |  |  |  |  |  |  |  |  |
Cash | 3,127 |  |  |  | 60,256 |  |  |  | 3,127 | 60,256 |
Accounts receivable | 4,451 |  |  |  | 15,941 |  |  |  | 4,451 | 15,941 |
Contract assets | 8,158 |  |  |  |  |  |  |  | 8,158 |  |
Accounts payable | 2,279 |  |  |  | 13,111 |  |  |  | 2,279 | 13,111 |
Contract liabilities | $ 5,946 |  |  |  | $ 44,223 |  |  |  | $ 5,946 | $ 44,223 |

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