Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Business Combinations - Textual (Details) - USD ($) $ in Thousands, shares in Millions		1 Months Ended		12 Months Ended
	Oct. 08, 2019	Oct. 31, 2019	Nov. 30, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Payment to acquire business, net of cash acquired				$ 18,692	$ 249	$ 44,750
Cleansorb Limited [Member]
Business Acquisition [Line Items]
Payment to acquire business, net of cash acquired	$ 18,692	$ 18,700
Intangible assets		$ 8,300
Finite-lived intangible assets acquired, weighted-average amortization period		14 years
Cleansorb Limited [Member] \| Minimum [Member]
Business Acquisition [Line Items]
Finite-lived intangible assets acquired, amortization period		12 years
Cleansorb Limited [Member] \| Maximum [Member]
Business Acquisition [Line Items]
Finite-lived intangible assets acquired, amortization period		15 years
Well Service Group, Inc. and Utility Access Solutions, Inc. (WSG) [Member]
Business Acquisition [Line Items]
Purchase price of acquisition			$ 77,400
Cash consideration			$ 45,000		$ 200
Business acquisition, common shares issuance (in shares)			3.4
Equity issued at closing in 2017			$ 32,400