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v3.21.2

Revenue from contracts with customers (Tables) | 6 Months Ended
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Jun. 30, 2021
Revenue from Contract with Customer [Abstract] |
Disaggregation of revenue | In the following tables, revenue is disaggregated by the type of customer or service provided. The Company believes this level of disaggregation best depicts how the nature, amount, timing and uncertainty of revenue and cash flows are affected by economic factors. The table also includes a reconciliation of the disaggregated revenue by reportable segments. For more information on the Company's business segments, see Note 17.
Three Months Ended June 30, 2021 | Electric | Natural gas distribution | Pipeline | Construction materials and contracting | Construction services | Other | Total
| (In thousands)
Residential utility sales | $ | 29,258 |  | $ | 83,480 |  | $ | — |  | $ | — |  | $ | — |  | $ | — |  | $ | 112,738 |
Commercial utility sales | 33,834 |  | 47,612 |  | — |  | — |  | — |  | — |  | 81,446 |
Industrial utility sales | 10,354 |  | 6,180 |  | — |  | — |  | — |  | — |  | 16,534 |
Other utility sales | 1,825 |  | — |  | — |  | — |  | — |  | — |  | 1,825 |
Natural gas transportation | — |  | 11,451 |  | 27,685 |  | — |  | — |  | — |  | 39,136 |
Natural gas storage | — |  | — |  | 3,094 |  | — |  | — |  | — |  | 3,094 |
Contracting services | — |  | — |  | — |  | 280,834 |  | — |  | — |  | 280,834 |
Construction materials | — |  | — |  | — |  | 498,762 |  | — |  | — |  | 498,762 |
Intrasegment eliminations | — |  | — |  | — |  | (145,780) |  | — |  | — |  | (145,780) |
Inside specialty contracting | — |  | — |  | — |  | — |  | 347,702 |  | — |  | 347,702 |
Outside specialty contracting | — |  | — |  | — |  | — |  | 165,123 |  | — |  | 165,123 |
Other | 9,465 |  | 2,794 |  | 4,810 |  | — |  | 57 |  | 3,389 |  | 20,515 |
Intersegment eliminations | (136) |  | (142) |  | (7,862) |  | (142) |  | (797) |  | (3,361) |  | (12,440) |
Revenues from contracts with customers | 84,600 |  | 151,375 |  | 27,727 |  | 633,674 |  | 512,085 |  | 28 |  | 1,409,489 |
Revenues out of scope | (950) |  | 2,413 |  | 46 |  | — |  | 12,659 |  | — |  | 14,168 |
Total external operating revenues | $ | 83,650 |  | $ | 153,788 |  | $ | 27,773 |  | $ | 633,674 |  | $ | 524,744 |  | $ | 28 |  | $ | 1,423,657 |
Three Months Ended June 30, 2020 | Electric | Natural gas distribution | Pipeline | Construction materials and contracting | Construction services | Other | Total
| (In thousands)
Residential utility sales | $ | 27,954 |  | $ | 78,653 |  | $ | — |  | $ | — |  | $ | — |  | $ | — |  | $ | 106,607 |
Commercial utility sales | 29,877 |  | 41,027 |  | — |  | — |  | — |  | — |  | 70,904 |
Industrial utility sales | 8,072 |  | 5,658 |  | — |  | — |  | — |  | — |  | 13,730 |
Other utility sales | 1,591 |  | — |  | — |  | — |  | — |  | — |  | 1,591 |
Natural gas transportation | — |  | 10,350 |  | 27,965 |  | — |  | — |  | — |  | 38,315 |
Natural gas gathering | — |  | — |  | 1,181 |  | — |  | — |  | — |  | 1,181 |
Natural gas storage | — |  | — |  | 3,104 |  | — |  | — |  | — |  | 3,104 |
Contracting services | — |  | — |  | — |  | 303,356 |  | — |  | — |  | 303,356 |
Construction materials | — |  | — |  | — |  | 482,498 |  | — |  | — |  | 482,498 |
Intrasegment eliminations | — |  | — |  | — |  | (164,719) |  | — |  | — |  | (164,719) |
Inside specialty contracting | — |  | — |  | — |  | — |  | 324,921 |  | — |  | 324,921 |
Outside specialty contracting | — |  | — |  | — |  | — |  | 160,696 |  | — |  | 160,696 |
Other | 7,717 |  | 2,711 |  | 3,363 |  | — |  | 412 |  | 2,861 |  | 17,064 |
Intersegment eliminations | (196) |  | (185) |  | (7,999) |  | (90) |  | (779) |  | (2,973) |  | (12,222) |
Revenues from contracts with customers | 75,015 |  | 138,214 |  | 27,614 |  | 621,045 |  | 485,250 |  | (112) |  | 1,347,026 |
Revenues out of scope | 1,423 |  | 3,280 |  | 44 |  | — |  | 11,155 |  | — |  | 15,902 |
Total external operating revenues | $ | 76,438 |  | $ | 141,494 |  | $ | 27,658 |  | $ | 621,045 |  | $ | 496,405 |  | $ | (112) |  | $ | 1,362,928 |
Six Months Ended June 30, 2021 | Electric | Natural gas distribution | Pipeline | Construction materials and contracting | Construction services | Other | Total
| (In thousands)
Residential utility sales | $ | 62,694 |  | $ | 286,617 |  | $ | — |  | $ | — |  | $ | — |  | $ | — |  | $ | 349,311 |
Commercial utility sales | 66,762 |  | 167,664 |  | — |  | — |  | — |  | — |  | 234,426 |
Industrial utility sales | 20,383 |  | 14,992 |  | — |  | — |  | — |  | — |  | 35,375 |
Other utility sales | 3,391 |  | — |  | — |  | — |  | — |  | — |  | 3,391 |
Natural gas transportation | — |  | 23,903 |  | 57,102 |  | — |  | — |  | — |  | 81,005 |
Natural gas storage | — |  | — |  | 7,123 |  | — |  | — |  | — |  | 7,123 |
Contracting services | — |  | — |  | — |  | 376,859 |  | — |  | — |  | 376,859 |
Construction materials | — |  | — |  | — |  | 715,174 |  | — |  | — |  | 715,174 |
Intrasegment eliminations | — |  | — |  | — |  | (192,496) |  | — |  | — |  | (192,496) |
Inside specialty contracting | — |  | — |  | — |  | — |  | 702,892 |  | — |  | 702,892 |
Outside specialty contracting | — |  | — |  | — |  | — |  | 316,486 |  | — |  | 316,486 |
Other | 19,238 |  | 5,803 |  | 7,470 |  | — |  | 93 |  | 6,730 |  | 39,334 |
Intersegment eliminations | (271) |  | (284) |  | (34,092) |  | (204) |  | (1,839) |  | (6,685) |  | (43,375) |
Revenues from contracts with customers | 172,197 |  | 498,695 |  | 37,603 |  | 899,333 |  | 1,017,632 |  | 45 |  | 2,625,505 |
Revenues out of scope | (3,873) |  | 5,299 |  | 82 |  | — |  | 24,582 |  | — |  | 26,090 |
Total external operating revenues | $ | 168,324 |  | $ | 503,994 |  | $ | 37,685 |  | $ | 899,333 |  | $ | 1,042,214 |  | $ | 45 |  | $ | 2,651,595 |
Six Months Ended June 30, 2020 | Electric | Natural gas distribution | Pipeline | Construction materials and contracting | Construction services | Other | Total
| (In thousands)
Residential utility sales | $ | 60,303 |  | $ | 265,354 |  | $ | — |  | $ | — |  | $ | — |  | $ | — |  | $ | 325,657 |
Commercial utility sales | 63,464 |  | 156,023 |  | — |  | — |  | — |  | — |  | 219,487 |
Industrial utility sales | 18,439 |  | 14,179 |  | — |  | — |  | — |  | — |  | 32,618 |
Other utility sales | 3,239 |  | — |  | — |  | — |  | — |  | — |  | 3,239 |
Natural gas transportation | — |  | 22,148 |  | 55,397 |  | — |  | — |  | — |  | 77,545 |
Natural gas gathering | — |  | — |  | 3,271 |  | — |  | — |  | — |  | 3,271 |
Natural gas storage | — |  | — |  | 6,150 |  | — |  | — |  | — |  | 6,150 |
Contracting services | — |  | — |  | — |  | 401,757 |  | — |  | — |  | 401,757 |
Construction materials | — |  | — |  | — |  | 690,408 |  | — |  | — |  | 690,408 |
Intrasegment eliminations | — |  | — |  | — |  | (208,823) |  | — |  | — |  | (208,823) |
Inside specialty contracting | — |  | — |  | — |  | — |  | 697,130 |  | — |  | 697,130 |
Outside specialty contracting | — |  | — |  | — |  | — |  | 290,846 |  | — |  | 290,846 |
Other | 16,167 |  | 5,209 |  | 6,604 |  | — |  | 763 |  | 5,852 |  | 34,595 |
Intersegment eliminations | (391) |  | (370) |  | (33,198) |  | (152) |  | (3,249) |  | (5,946) |  | (43,306) |
Revenues from contracts with customers | 161,221 |  | 462,543 |  | 38,224 |  | 883,190 |  | 985,490 |  | (94) |  | 2,530,574 |
Revenues out of scope | 1,125 |  | 5,394 |  | 89 |  | — |  | 23,120 |  | — |  | 29,728 |
Total external operating revenues | $ | 162,346 |  | $ | 467,937 |  | $ | 38,313 |  | $ | 883,190 |  | $ | 1,008,610 |  | $ | (94) |  | $ | 2,560,302 |
Contract balances | The changes in contract assets and liabilities were as follows:
| June 30, 2021 | December 31, 2020 | Change | Location on Consolidated Balance Sheets
| (In thousands) |
Contract assets | $ | 147,033 |  | $ | 104,345 |  | $ | 42,688 |  | Receivables, net
Contract liabilities - current | (146,116) |  | (158,603) |  | 12,487 |  | Accounts payable
Contract liabilities - noncurrent | (160) |  | (52) |  | (108) |  | Noncurrent liabilities - other
Net contract assets (liabilities) | $ | 757 |  | $ | (54,310) |  | $ | 55,067 |  |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045 + Details
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