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Receivables and allowance for expected credit losses (Tables) | 9 Months Ended
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Sep. 30, 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 services | Total
| (In thousands)
At December 31, 2022 | $ | 375 |  | $ | 1,615 |  | $ | 2 |  | $ | 2,162 |  | $ | 4,154 |
Current expected credit loss provision | 615 |  | 2,324 |  | — |  | 826 |  | 3,765 |
Less write-offs charged against the allowance | 667 |  | 1,225 |  | — |  | 51 |  | 1,943 |
Credit loss recoveries collected | 145 |  | 229 |  | — |  | 1 |  | 375 |
At March 31, 2023 | $ | 468 |  | $ | 2,943 |  | $ | 2 |  | $ | 2,938 |  | $ | 6,351 |
Current expected credit loss provision | 182 |  | 90 |  | — |  | 1,825 |  | 2,097 |
Less write-offs charged against the allowance | 316 |  | 1,454 |  | — |  | 103 |  | 1,873 |
Credit loss recoveries collected | 79 |  | 161 |  | — |  | 58 |  | 298 |
At June 30, 2023 | $ | 413 |  | $ | 1,740 |  | $ | 2 |  | $ | 4,718 |  | $ | 6,873 |
Current expected credit loss provision | 513 |  | 1,661 |  | — |  | 1,733 |  | 3,907 |
Less write-offs charged against the allowance | 572 |  | 2,758 |  | — |  | 27 |  | 3,357 |
Credit loss recoveries collected | 75 |  | 233 |  | — |  | — |  | 308 |
At September 30, 2023 | $ | 429 |  | $ | 876 |  | $ | 2 |  | $ | 6,424 |  | $ | 7,731 |
| Electric | Natural gas distribution | Pipeline | Construction services | Total
| (In thousands)
At December 31, 2021 | $ | 269 |  | $ | 1,506 |  | $ | 2 |  | $ | 2,533 |  | $ | 4,310 |
Current expected credit loss provision | 565 |  | 1,369 |  | — |  | 54 |  | 1,988 |
Less write-offs charged against the allowance | 597 |  | 932 |  | — |  | 71 |  | 1,600 |
Credit loss recoveries collected | 124 |  | 180 |  | — |  | 28 |  | 332 |
At March 31, 2022 | $ | 361 |  | $ | 2,123 |  | $ | 2 |  | $ | 2,544 |  | $ | 5,030 |
Current expected credit loss provision | 113 |  | 92 |  | — |  | 292 |  | 497 |
Less write-offs charged against the allowance | 234 |  | 939 |  | — |  | 104 |  | 1,277 |
Credit loss recoveries collected | 108 |  | 177 |  | — |  | — |  | 285 |
At June 30, 2022 | $ | 348 |  | $ | 1,453 |  | $ | 2 |  | $ | 2,732 |  | $ | 4,535 |
Current expected credit loss provision | 300 |  | 881 |  | — |  | (111) |  | 1,070 |
Less write-offs charged against the allowance | 399 |  | 1,822 |  | — |  | 152 |  | 2,373 |
Credit loss recoveries collected | 85 |  | 169 |  | — |  | 40 |  | 294 |
At September 30, 2022 | $ | 334 |  | $ | 681 |  | $ | 2 |  | $ | 2,509 |  | $ | 3,526 |

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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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Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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