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Revenue | 12 Months Ended
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Dec. 31, 2021
Revenue from Contract with Customer [Abstract] |
Revenue | Revenue We present our operating revenues to external customers, in total and by amounts arising from contracts with customers and ARP arrangements, disaggregated by revenue source and segment for the years ended December 31, 2021, 2020 and 2019:
(in thousands) | 2021 |  | 2020 |  | 2019
Operating Revenues |  |  |  |  |
Electric Segment |  |  |  |  |
Retail: Residential | $ | 135,361 |  |  | $ | 127,260 |  |  | $ | 131,988 |
Retail: Commercial and Industrial | 262,408 |  |  | 254,951 |  |  | 267,125 |
Retail: Other | 7,715 |  |  | 7,311 |  |  | 7,365 |
Total Retail | 405,484 |  |  | 389,522 |  |  | 406,478 |
Transmission | 48,835 |  |  | 44,001 |  |  | 40,542 |
Wholesale | 17,936 |  |  | 4,857 |  |  | 5,007 |
Other | 8,066 |  |  | 7,708 |  |  | 7,021 |
Total Electric Segment | 480,321 |  |  | 446,088 |  |  | 459,048 |
Manufacturing Segment |  |  |  |  |
Metal Parts and Tooling | 283,527 |  |  | 199,463 |  |  | 236,032 |
Plastic Products and Tooling | 40,231 |  |  | 34,055 |  |  | 35,173 |
Other | 12,536 |  |  | 5,252 |  |  | 5,999 |
Total Manufacturing Segment | 336,294 |  |  | 238,770 |  |  | 277,204 |
Plastics Segment |  |  |  |  |
PVC Pipe | 380,229 |  |  | 205,249 |  |  | 183,251 |
Total Operating Revenue | 1,196,844 |  |  | 890,107 |  |  | 919,503 |
Less: Noncontract Revenues Included Above |  |  | — |  |  | — |
Electric Segment - ARP Revenues | (791) |  |  | 6,936 |  |  | 1,032 |
Total Operating Revenues from Contracts with Customers | $ | 1,197,635 |  |  | $ | 883,171 |  |  | $ | 918,471 |

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130550-203045 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130558-203045 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045 + Details
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