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Goodwill
 12 Months Ended
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill Disclosure GOODWILL
 
Our Water & Flowback Services Division consists of two reporting units, Production Testing and Water Management. During the third quarter of 2019, as part of our internal long-term outlook for each of these reporting units, we updated our assessment of the Water Management reporting unit and determined that the current decreased energy industry outlook was an indicator requiring further analysis for impairment of goodwill. As part of the first step of goodwill impairment testing for our Water Management reporting unit, the only reporting unit with goodwill, we updated our assessment of the future cash flows, applying expected long-term growth rates, discount rates, and terminal values that we consider reasonable for the reporting unit. We calculated a present value of the cash flows for the Water Management reporting unit to arrive at an estimate of fair value using a combination of the income approach and the market approach. Based on these assumptions, we determined that the fair value of the Water Management reporting unit exceeded its carrying value, resulting in no impairment at September 30, 2019.

During the fourth quarter of 2019, coinciding with the timing of our annual goodwill assessment, there was further decline in the energy industry outlook resulting in decreased expected future cash flows for our Water Management reporting unit. As part of the first step of goodwill impairment testing for our Water Management reporting unit, the only reporting unit with goodwill, we updated our assessment of the future cash flows, applying expected long-term growth rates, discount rates, and terminal values that we consider reasonable for the reporting unit. We calculated a present value of the cash flows for the Water Management reporting unit to arrive at an estimate of fair value using a combination of the income approach and the market approach. Based on these assumptions, we determined that the fair value of the Water Management reporting unit was less than its carrying value indicating an impairment. The amount of impairment is calculated based on the difference between the fair value and carrying value in accordance with our early adoption of ASU 2017-04 “Intangibles-Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment.” This resulted in an impairment of the entire goodwill balance of $25.8 million at December 31, 2019.
The changes in the carrying amount of goodwill for the Water & Flowback Services reporting segment were as follows:
 Total
 (In Thousands)
Balance as of December 31, 2017$6,636 
Goodwill acquired during the year19,223 
Balance as of December 31, 201825,859 
Goodwill impaired during the year(25,784)
Goodwill adjustments(75)
Balance as of December 31, 2019 and 2020—