Commitments And Contingencies (Details) $ in Thousands		12 Months Ended
		Dec. 31, 2025 USD ($)		Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Anticipated expenditures relating to completion of construction type contracts		$ 213,800
Number of consolidated projects under construction		3
Earnest Money Deposits		$ 600
Lessee, Operating Lease, Liability, Payments, Due 2026		1,200
Lessee, Operating Lease, Liability, Payments, Due 2027		1,400
Lessee, Operating Lease, Liability, Payments, Due 2028		3,200
Lessee, Operating Lease, Liability, Payments, Due 2029		3,100
Lessee, Operating Lease, Liability, Payments, Due 2030		2,900
Lessee, Operating Lease, Liability, Payments, Due Thereafter		20,600
Lessee, Operating Lease, Liability, Undiscounted Excess Amount		(9,700)
Operating Lease, Right-of-Use Asset		11,000		$ 2,500
Operating Lease, Liability		22,700	[1]	3,200
Rent expense related to operating lease liabilities		2,500		2,600
Variable Lease, Cost		1,500		1,100
Operating Lease, Expense		4,000		3,700
Cash flows from operating leases		$ 2,400		$ 2,400
Operating Lease, Weighted Average Remaining Lease Term		11 years		1 year 7 months 6 days
Operating Lease, Weighted Average Discount Rate, Percent	[2]	5.30%		4.90%
Operating Lease, Liability		Other Liabilities		Other Liabilities
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]		Other Assets		Other Assets
Right-of-use assets obtained in exchange for the use of new operating lease liabilities		$ 22,005		$ 0	$ 0
Williams Tower
Right-of-use assets obtained in exchange for the use of new operating lease liabilities		8,900
non-refundable earnest money
Earnest Money Deposits		$ 500

[1]

[2] We use a secured incremental borrowing rate, as defined by ASC 842, Leases, based on an estimated secured rate with applicable adjustments, as most of our lease contracts do not provide a readily determinable implicit rate.