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Related Party Transactions (Tables) | 6 Months Ended
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Jun. 30, 2019
Related Party Transactions [Abstract] |
Schedule of Consolidated Balance Sheet Related to Services Provided to Unconsolidated Joint Ventures | Amounts included in the consolidated balance sheets related to services the Company provided to unconsolidated joint ventures is as follows (in thousands):
|  | December 31, 2018 |  |  | June 30, 2019 |
Accounts receivable |  | $ | 38,742 |  |  | $ | 33,930 |
Contract assets |  |  | 2,648 |  |  |  | 5,201 |
Contract liabilities |  | $ | 10,861 |  |  | $ | 3,857 |

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