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Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Supplemental Cash Flow Elements [Abstract]
Accounts receivable	$ (33,850)	$ (70,745)
Contracts in progress, net	91,372	(4,328)
Receivables from and equity in construction joint ventures	2,715	(14)
Other current and non-current assets	(3,430)	(1,245)
Accounts payable	18,028	18,480
Accrued compensation and other liabilities	6,592	14,321
Members' interest subject to mandatory redemption and undistributed earnings	(301)	(3,330)
Changes in operating assets and liabilities	$ 81,126	$ (46,861)

X

- Definition

Represents the increase (decrease) in member's interest subject to mandatory redemption and undistributed earnings.

+ References

No definition available.

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- Definition

The net change during the reporting period in Equity in and Receivable from unconsolidated joint ventures.

+ References

No definition available.

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- Definition

The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (a)
-SubTopic 10
-Topic 230
-Publisher FASB
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- Definition

The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (a)
-SubTopic 10
-Topic 230
-Publisher FASB
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- Definition

Amount of increase (decrease) in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (a)
-Publisher FASB
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- Definition

Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 912
-SubTopic 310
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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The increase (decrease) during the reporting period of all assets and liabilities used in operating activities.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section 45
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Amount of increase (decrease) in operating assets classified as other.

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