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v3.23.1

Receivables and allowance for expected credit losses (Tables) | 3 Months Ended
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Mar. 31, 2023
Credit Loss [Abstract] |
Accounts Receivable, Allowance for Credit Loss | Details of the Company's expected credit losses were as follows:
| Electric | Natural gas distribution | Pipeline | Construction materials and contracting | Construction services | Total
| (In thousands)
At December 31, 2022 | $ | 375 |  | $ | 1,615 |  | $ | 2 |  | $ | 5,477 |  | $ | 2,162 |  | $ | 9,631 |
Current expected credit loss provision | 615 |  | 2,324 |  | — |  | 428 |  | 826 |  | 4,193 |
Less write-offs charged against the allowance | 667 |  | 1,225 |  | — |  | 83 |  | 51 |  | 2,026 |
Credit loss recoveries collected | 145 |  | 229 |  | — |  | — |  | 1 |  | 375 |
At March 31, 2023 | $ | 468 |  | $ | 2,943 |  | $ | 2 |  | $ | 5,822 |  | $ | 2,938 |  | $ | 12,173 |
| Electric | Natural gas distribution | Pipeline | Construction materials and contracting | Construction services | Total
| (In thousands)
At December 31, 2021 | $ | 269 |  | $ | 1,506 |  | $ | 2 |  | $ | 5,406 |  | $ | 2,533 |  | $ | 9,716 |
Current expected credit loss provision | 565 |  | 1,369 |  | — |  | (253) |  | 54 |  | 1,735 |
Less write-offs charged against the allowance | 597 |  | 932 |  | — |  | 27 |  | 71 |  | 1,627 |
Credit loss recoveries collected | 124 |  | 180 |  | — |  | — |  | 28 |  | 332 |
At March 31, 2022 | $ | 361 |  | $ | 2,123 |  | $ | 2 |  | $ | 5,126 |  | $ | 2,544 |  | $ | 10,156 |

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- Definition Tabular disclosure of allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
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Balance Type: | na
Period Type: | duration

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