v3.25.4

Goodwill and Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Total Intangible Assets [Abstract]
Cost	$ 381,940	$ 381,940
Accumulated Amortization	(205,041)	(202,804)
Accumulated Impairment Charge	(113,067)	(113,067)
Carrying Value	63,832	66,069
Trade Names
Finite-Lived intangible assets
Cost	69,250	69,250
Accumulated Amortization	(32,596)	(30,359)
Accumulated Impairment Charge	(23,232)	(23,232)
Carrying Value	$ 13,422	$ 15,659
Weighted-Average Amortization Period	20 years	20 years
Customer relationships
Finite-Lived intangible assets
Cost	$ 39,800	$ 39,800
Accumulated Amortization	(23,155)	(23,155)
Accumulated Impairment Charge	(16,645)	(16,645)
Carrying Value	0	0
Construction contract backlog
Finite-Lived intangible assets
Cost	149,290	149,290
Accumulated Amortization	(149,290)	(149,290)
Carrying Value	0	0
Trade Names
Indefinite-lived intangible assets
Cost	117,600	117,600
Accumulated Impairment Charge	(67,190)	(67,190)
Carrying Value	50,410	50,410
Contractor license
Indefinite-lived intangible assets
Cost	6,000	6,000
Accumulated Impairment Charge	$ (6,000)	$ (6,000)

Indefinite-Lived Intangible Assets, Excluding Goodwill, Accumulated Impairment Charge

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Intangible Assets, Gross

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Total Intangible Assets

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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