Related Party Transactions - Schedule of Consolidated Balance Sheet Related to Services Provided to Unconsolidated Joint Ventures (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Related Party Transaction [Line Items]
Contract assets	$ 626,513	$ 575,089
Contract liabilities	241,178	230,681
Unconsolidated Joint Ventures
Related Party Transaction [Line Items]
Accounts receivable	35,674	37,425
Contract assets	7,876	6,955
Contract liabilities	$ 4,359	$ 4,509

Amount of receivables arising from transactions with related parties due within one year or the normal operating cycle, if longer.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant