Goodwill and Related Intangible Assets (Schedule of Changes in Carrying Amount of Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Goodwill [Roll Forward]
Balance at	$ 514,279	$ 307,355
Acquired goodwill		205,243
Adjustments to prior year acquisitions	(2,110)	578
Foreign currency translation	(1,227)	1,103
Balance at	510,942	514,279
Renewables
Goodwill [Roll Forward]
Balance at	192,527	44,816
Acquired goodwill		147,004
Adjustments to prior year acquisitions	(2,433)	0
Foreign currency translation	(1,414)	707
Balance at	188,680	192,527
Residential
Goodwill [Roll Forward]
Balance at	205,452	198,075
Acquired goodwill		7,377
Adjustments to prior year acquisitions	0	0
Foreign currency translation	0	0
Balance at	205,452	205,452
Agtech
Goodwill [Roll Forward]
Balance at	84,622	32,786
Acquired goodwill		50,862
Adjustments to prior year acquisitions	323	578
Foreign currency translation	187	396
Balance at	85,132	84,622
Infrastructure
Goodwill [Roll Forward]
Balance at	31,678	31,678
Acquired goodwill		0
Adjustments to prior year acquisitions	0	0
Foreign currency translation	0	0
Balance at	$ 31,678	$ 31,678