Goodwill and Related Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill for the years ended December 31 were as follows (in thousands):

	Renewables		Residential		Agtech		Infrastructure		Total
Balance at December 31, 2019	$	44,816	$	198,075	$	32,786	$	31,678	$	307,355
Acquired goodwill	147,004		7,377		50,862		—		205,243
Adjustments to prior year acquisitions	—		—		578		—		578
Foreign currency translation	707		—		396		—		1,103
Balance at December 31, 2020	$	192,527	$	205,452	$	84,622	31,678		$	514,279
Adjustments to prior year acquisitions	(2,433)		—		323		—		(2,110)
Foreign currency translation	(1,414)		—		187		—		(1,227)
Balance at December 31, 2021	$	188,680	$	205,452	$	85,132	31,678		$	510,942

Schedule of Acquired Intangible Assets

Acquired intangible assets consist of the following (in thousands):

	December 31, 2021				December 31, 2020
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Indefinite-lived intangible assets:
Trademarks	$	52,700	$	—	$	56,570	$	—
Finite-lived intangible assets:
Trademarks	5,521		4,011		5,818		3,385
Unpatented technology	38,474		20,656		38,752		17,765
Customer relationships	108,591		39,832		98,500		31,580
Non-compete agreements	2,686		1,969		4,885		1,747
Backlog	7,200		7,200		7,228		911
	162,472		73,668		155,183		55,388
Total acquired intangible assets	$	215,172	$	73,668	$	211,753	$	55,388

Schedule of Intangible Assets Amortization Expense

The following table summarizes amortization expense for the years ended December 31 (in thousands):

	2021		2020		2019
Amortization expense	$	18,856	$	9,663	$	6,891

Schedule of Amortization Expense

Amortization expense related to acquired intangible assets for the next five years ended December 31 is estimated as follows (in thousands):

	2022		2023		2024		2025		2026
Amortization expense	$	12,124	$	11,195	$	11,014	$	10,780	$	9,161