Construction Joint Ventures (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($) project	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) project	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Guarantor Obligations [Line Items]
Contract value	$ 2,300,000		$ 2,300,000
Contract liabilities	221,983		221,983		$ 173,286
Total revenue	1,116,820	$ 1,008,910	2,575,440	$ 2,512,043
Accumulated deficit	(481,636)		(481,636)		(481,384)
Unconsolidated Construction Corporate Joint Venture
Guarantor Obligations [Line Items]
Contract liabilities	57,900		57,900
Consolidated Construction Corporate Joint Venture
Guarantor Obligations [Line Items]
Contract value	1,200,000		1,200,000
Unconsolidated Construction Corporate Joint Venture
Guarantor Obligations [Line Items]
Contract value	7,900,000		7,900,000
Customer affirmative claims	85,900		85,900		104,300
Back charge claims	900		900		2,700
Accumulated deficit	14,000		14,000		14,000
Minimum | Unconsolidated Construction Corporate Joint Venture
Guarantor Obligations [Line Items]
Contract liabilities	$ 1,500		$ 1,500
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	$ 33,700		$ 33,700
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	$ 91,200	$ 117,500	223,300	344,500
Operating cash flows			$ (36,800)	$ 4,700
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	10		10
Contract value	$ 2,000,000		$ 2,000,000
Contract liabilities	395,300		395,300
Consolidated Construction Corporate Joint Venture | Variable Interest Entity, Primary Beneficiary | Minimum
Guarantor Obligations [Line Items]
Contract value	46,300		46,300
Contract liabilities	1,900		1,900
Consolidated Construction Corporate Joint Venture | Variable Interest Entity, Primary Beneficiary | Maximum
Guarantor Obligations [Line Items]
Contract value	428,500		428,500
Contract liabilities	148,600		148,600
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	96,700		96,700
Performance Guarantee | Co-venturer
Guarantor Obligations [Line Items]
Remaining contract value	107,700		107,700
Unconsolidated Construction Corporate Joint Venture | Performance Guarantee
Guarantor Obligations [Line Items]
Remaining contract value	$ 204,400		$ 204,400