Subsequent Events (Tables)

12 Months Ended

Dec. 31, 2022

Subsequent Event [Line Items]

Summary of Elements of Purchase Price of Acquisitions

The following table summarizes the elements of the purchase price of the acquisitions completed during 2022:

	Cash		Common Stock		Other Purchase Price Components		Contingent Consideration		Total Purchase Price
Environmental Standards	$	14,473	$	—	$	544	$	1,166	$	16,183
All other 2022 acquisitions		15,271		—		1,134		1,500		17,905
Total	$	29,744	$	—	$	1,678	$	2,666	$	34,088

Frontier

Subsequent Event [Line Items]

Summary of Elements of Purchase Price of Acquisitions

The following table summarizes the elements of the purchase price of these acquisitions:

	Cash (1)		Other Purchase Price Components (2)		Total Purchase Price
Frontier	$	1,146	$	—	$	1,146
EAI		3,750		1,412		5,162

(1) The cash portion of this acquisition’s purchase price was funded through cash on hand.

(2) The other purchase price component consists of liabilities assumed.