XML 24 R14.htm IDEA: XBRL DOCUMENT
v3.22.1

Goodwill and Intangible Assets | 3 Months Ended
--- | ---
Mar. 31, 2022
Goodwill and Intangible Assets |
Goodwill and Intangible Assets | Note 6—Goodwill and Intangible Assets ​ The change in goodwill by segment for the three months ended March 31, 2022 was as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Utilities |  | Energy/Renewables | ​ | Pipeline |  | Total
Balance at December 31, 2021 | ​ | $ | 462,905 | ​ | $ | 66,344 | ​ | $ | 52,415 | ​ | $ | 581,664
Goodwill acquired during the period | ​ |  | — | ​ |  | 1,870 | ​ |  | — | ​ |  | 1,870
Balance at March 31, 2022 | ​ | $ | 462,905 | ​ | $ | 68,214 | ​ | $ | 52,415 | ​ | $ | 583,534
​ The table below summarizes the intangible asset categories and amounts, which are amortized on a straight-line basis (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | March 31, 2022 | ​ | December 31, 2021
​ | Gross Carrying Amount |  | Accumulated Amortization |  | Intangible assets, net |  | Gross Carrying Amount |  | Accumulated Amortization |  | Intangible assets, net
Tradename | $ | 20,440 | ​ | ​ | (20,024) | ​ | ​ | 416 | ​ | $ | 20,440 | ​ | $ | (19,675) | ​ | $ | 765
Customer relationships |  | 215,227 | ​ | ​ | (47,960) | ​ | ​ | 167,267 | ​ |  | 215,227 | ​ |  | (44,727) | ​ |  | 170,500
Non-compete agreements |  | 1,900 | ​ | ​ | (1,873) | ​ | ​ | 27 | ​ |  | 1,900 | ​ |  | (1,845) | ​ |  | 55
Total | $ | 237,567 | ​ | $ | (69,857) | ​ | $ | 167,710 | ​ | $ | 237,567 | ​ | $ | (66,247) | ​ | $ | 171,320
​ Amortization expense of intangible assets was $3.6 million and $4.2 million for the three months ended March 31, 2022 and 2021, respectively. Estimated future amortization expense for intangible assets is as follows (in thousands): ​
​ | ​ | ​ | ​
​ | ​ | Estimated
​ | ​ | Intangible
​ | ​ | Amortization
For the Years Ending December 31, |  | Expense
2022 (remaining nine months) | ​ | $ | 9,817
2023 | ​ | ​ | 12,409
2024 | ​ |  | 11,690
2025 | ​ |  | 10,968
2026 | ​ |  | 10,518
Thereafter | ​ |  | 112,308
​ | ​ | $ | 167,710
​

X
- References No definition available. + Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration