Business Combinations (Details)	12 Months Ended
	Dec. 31, 2021 USD ($) numberOfConnections	Dec. 31, 2020 USD ($)
Business Acquisition [Line Items]
Goodwill	$ 70,570,000	$ 69,225,000
Goodwill, Impairment Loss	0
Suncadia & T&W Water
Business Acquisition [Line Items]
Business Combination, Consideration Transferred		$ 38,100,000
Goodwill	18,200,000
Business Acquisition, Goodwill, Expected Tax Deductible Amount	16,500,000
Number of Businesses Acquired		2
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 0
Other insignificant acquisitions [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred		$ 1,500,000
Number of Businesses Acquired	4	3