Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2023

Revenue Recognition [Abstract]

Disaggregation of revenue [Table Text Block]

The following tables disaggregate our revenue for the years ended December 31, 2023, December 31, 2022 and December 31, 2021 by major sources:

Year Ended December 31, 2023	Utility		Residential and Commercial		All Other		Consolidated
Type of service:
Tree and plant care	$	563,222	$	411,508	$	(756)	$	973,974
Grounds maintenance	—		185,994		—		185,994
Storm damage services	12,049		13,123		—		25,172
Consulting and other	359,706		143,830		4,805		508,341
Total revenues	$	934,977	$	754,455	$	4,049	$	1,693,481
Geography:
United States	$	881,428	$	709,069	$	4,049	$	1,594,546
Canada	53,549		45,386		—		98,935
Total revenues	$	934,977	$	754,455	$	4,049	$	1,693,481
Year Ended December 31, 2022	Utility		Residential and Commercial		All Other		Consolidated
Type of service:
Tree and plant care	$	545,048	$	383,148	$	(174)	$	928,022
Grounds maintenance	—		169,948		—		169,948
Storm damage services	21,437		9,665		—		31,102
Consulting and other	274,068		104,211		3,730		382,009
Total revenues	$	840,553	$	666,972	$	3,556	$	1,511,081
Geography:
United States	$	800,590	$	621,873	$	3,556	$	1,426,019
Canada	39,963		45,099		—		85,062
Total revenues	$	840,553	$	666,972	$	3,556	$	1,511,081
Year Ended December 31, 2021	Utility		Residential and Commercial		All Other		Consolidated
Type of service:
Tree and plant care	$	530,632	$	358,589	$	(337)	$	888,884
Grounds maintenance	—		155,543		—		155,543
Storm damage services	16,763		6,690		—		23,453
Consulting and other	217,677		89,844		2,652		310,173
Total revenues	$	765,072	$	610,666	$	2,315	$	1,378,053
Geography:
United States	$	723,577	$	566,604	$	2,315	$	1,292,496
Canada	41,495		44,062		—		85,557
Total revenues	$	765,072	$	610,666	$	2,315	$	1,378,053

Contract with customer, asset and liability [Table Text Block]

Net contract liabilities consisted of the following:

	December 31, 2023		December 31, 2022
Contract liabilities - current	$	3,430	$	3,723
Contract liabilities - noncurrent	3,700		4,145
Net contract liabilities	$	7,130	$	7,868