Construction Joint Ventures (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023 USD ($) project	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) project	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Guarantor Obligations [Line Items]
Contract value	$ 2,300,000		$ 2,300,000
Contract liabilities	173,288		173,288		$ 173,286
Total revenue	898,552	$ 849,247	1,458,620	$ 1,503,133
Accumulated deficit	(429,797)		(429,797)		(481,384)
Unconsolidated Construction Corporate Joint Venture
Guarantor Obligations [Line Items]
Contract liabilities	58,600		58,600
Consolidated Construction Corporate Joint Venture
Guarantor Obligations [Line Items]
Contract value	1,000,000		1,000,000
Unconsolidated Construction Corporate Joint Venture
Guarantor Obligations [Line Items]
Contract value	7,900,000		7,900,000
Customer affirmative claims	98,100		98,100		104,300
Back charge claims	2,600		2,600		2,700
Accumulated deficit	14,100		14,100		14,000
Minimum | Unconsolidated Construction Corporate Joint Venture
Guarantor Obligations [Line Items]
Contract liabilities	$ 1,600		$ 1,600
Ownership in joint venture	23.00%		23.00%
Minimum | Unconsolidated Construction Corporate Joint Venture
Guarantor Obligations [Line Items]
Contract value	$ 5,800		$ 5,800
Maximum | Unconsolidated Construction Corporate Joint Venture
Guarantor Obligations [Line Items]
Contract liabilities	$ 34,300		$ 34,300
Ownership in joint venture	50.00%		50.00%
Maximum | Unconsolidated Construction Corporate Joint Venture
Guarantor Obligations [Line Items]
Contract value	$ 3,800,000		$ 3,800,000
Variable Interest Entity, Primary Beneficiary | Consolidated Construction Corporate Joint Venture
Guarantor Obligations [Line Items]
Total revenue	$ 70,800	$ 122,700	132,100	227,000
Operating cash flows			$ (48,300)	$ (13,400)
Variable Interest Entity, Primary Beneficiary | Minimum | Consolidated Construction Corporate Joint Venture
Guarantor Obligations [Line Items]
Share in equity of joint venture			50.00%
Variable Interest Entity, Primary Beneficiary | Maximum | Consolidated Construction Corporate Joint Venture
Guarantor Obligations [Line Items]
Share in equity of joint venture			70.00%
Unconsolidated Construction Corporate Joint Venture | Variable Interest Entity, Primary Beneficiary
Guarantor Obligations [Line Items]
Number of projects | project	7,000,000		7,000,000
Consolidated Construction Corporate Joint Venture | Variable Interest Entity, Primary Beneficiary
Guarantor Obligations [Line Items]
Number of projects | project	11		11
Contract value	$ 1,800,000		$ 1,800,000
Contract liabilities	204,400		204,400
Consolidated Construction Corporate Joint Venture | Variable Interest Entity, Primary Beneficiary | Minimum
Guarantor Obligations [Line Items]
Contract value	17,700		17,700
Contract liabilities	500		500
Consolidated Construction Corporate Joint Venture | Variable Interest Entity, Primary Beneficiary | Maximum
Guarantor Obligations [Line Items]
Contract value	430,800		430,800
Contract liabilities	84,800		84,800
Performance Guarantee | Unconsolidated Construction Corporate Joint Venture
Guarantor Obligations [Line Items]
Performance guarantees	58,200		58,200		$ 64,700
Performance Guarantee | Unconsolidated Construction Corporate Joint Venture
Guarantor Obligations [Line Items]
Remaining contract value	96,400		96,400
Performance Guarantee | Co-venturer
Guarantor Obligations [Line Items]
Remaining contract value	106,000		106,000
Unconsolidated Construction Corporate Joint Venture | Performance Guarantee
Guarantor Obligations [Line Items]
Remaining contract value	$ 202,400		$ 202,400