Goodwill and Related Intangible Assets (Schedule of Changes in Carrying Amount of Goodwill) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2025 USD ($)
Goodwill [Roll Forward]
Balance at December 31, 2024	$ 323,189
Acquired goodwill	86,627
Foreign currency translation	961
Balance at June 30, 2025	410,777
Residential
Goodwill [Roll Forward]
Balance at December 31, 2024	209,170
Acquired goodwill	48,327
Foreign currency translation	0
Balance at June 30, 2025	257,497
Agtech
Goodwill [Roll Forward]
Balance at December 31, 2024	82,341
Acquired goodwill	38,300
Foreign currency translation	961
Balance at June 30, 2025	121,602
Infrastructure
Goodwill [Roll Forward]
Balance at December 31, 2024	31,678
Acquired goodwill	0
Foreign currency translation	0
Balance at June 30, 2025	$ 31,678

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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+ Details

GIBRALTAR INDUSTRIES, INC. 10-Q