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Related Party Transactions - Schedule of Consolidated Balance Sheet Related to Services Provided to Unconsolidated Joint Ventures (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Related Party Transaction [Line Items] |  |
Contract assets | $ 575,089 | $ 515,319
Contract liabilities | 230,681 | 208,576
Unconsolidated Joint Ventures |  |
Related Party Transaction [Line Items] |  |
Accounts receivable | 37,425 | 38,742
Contract assets | 6,955 | 2,648
Contract liabilities | $ 4,509 | $ 10,861

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