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Multiemployer Plans Participation by Plan (Details 18) - Pension Benefits - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Multiemployer Plans [Line Items] |  |  |
Multiemployer Plan, Pension, Insignificant, Employer Contribution, Cost | $ 26,909 | $ 24,192 | $ 23,670
Multiemployer Plan, Employer Contribution, Cost | $ 101,276 | $ 82,388 | 85,444
Edison Pension Plan |  |  |
Multiemployer Plans [Line Items] |  |  |
Multiemployer Plan, Pension, Significant, Employer Identification Number | 936061681 |  |
Multiemployer Plan, Pension, Significant, Plan Number | 001 |  |
Multiemployer Plan, Pension, Significant, Certified Zone Status [Fixed List] | Green | Green |
Multiemployer Plan, Pension, Significant, Funding Improvement or Rehabilitation Plan, Implementation Status [Fixed List] | No |  |
Multiemployer Plan, Pension, Significant, Employer Contribution, Cost | $ 18,750 | $ 18,331 | 16,121
Multiemployer Plan, Pension, Significant, Surcharge [Fixed List] | No |  |
Multiemployer Plan, Pension, Significant, Collective-Bargaining Arrangement, Expiration Date | Dec. 31, 2023 |  |
IBEW Local 212 Pension Trust |  |  |
Multiemployer Plans [Line Items] |  |  |
Multiemployer Plan, Pension, Significant, Employer Identification Number | 316127280 |  |
Multiemployer Plan, Pension, Significant, Plan Number | 001 |  |
Multiemployer Plan, Pension, Significant, Certified Zone Status [Fixed List] | Green | Green |
Multiemployer Plan, Pension, Significant, Funding Improvement or Rehabilitation Plan, Implementation Status [Fixed List] | No |  |
Multiemployer Plan, Pension, Significant, Employer Contribution, Cost | $ 1,622 | $ 1,733 | 1,521
Multiemployer Plan, Pension, Significant, Surcharge [Fixed List] | No |  |
Multiemployer Plan, Pension, Significant, Collective-Bargaining Arrangement, Expiration Date | Jun. 01, 2025 |  |
Multiemployer Plan, Pension, Significant, Certified Zone Status, Date | Apr. 30, 2021 | Apr. 30, 2021 |
IBEW Local 357 Pension Plan A |  |  |
Multiemployer Plans [Line Items] |  |  |
Multiemployer Plan, Pension, Significant, Employer Identification Number | 886023284 |  |
Multiemployer Plan, Pension, Significant, Plan Number | 001 |  |
Multiemployer Plan, Pension, Significant, Certified Zone Status [Fixed List] | Green | Green |
Multiemployer Plan, Pension, Significant, Funding Improvement or Rehabilitation Plan, Implementation Status [Fixed List] | No |  |
Multiemployer Plan, Pension, Significant, Employer Contribution, Cost | $ 12,876 | $ 6,485 | 9,913
Multiemployer Plan, Pension, Significant, Surcharge [Fixed List] | No |  |
Multiemployer Plan, Pension, Significant, Collective-Bargaining Arrangement, Expiration Date | May 31, 2024 |  |
IBEW Local 82 Pension Plan |  |  |
Multiemployer Plans [Line Items] |  |  |
Multiemployer Plan, Pension, Significant, Employer Identification Number | 316127268 |  |
Multiemployer Plan, Pension, Significant, Plan Number | 001 |  |
Multiemployer Plan, Pension, Significant, Certified Zone Status [Fixed List] | Green | Green |
Multiemployer Plan, Pension, Significant, Funding Improvement or Rehabilitation Plan, Implementation Status [Fixed List] | No |  |
Multiemployer Plan, Pension, Significant, Employer Contribution, Cost | $ 1,854 | $ 1,353 | 1,373
Multiemployer Plan, Pension, Significant, Surcharge [Fixed List] | No |  |
Multiemployer Plan, Pension, Significant, Collective-Bargaining Arrangement, Expiration Date | Dec. 03, 2023 |  |
Multiemployer Plan, Pension, Significant, Certified Zone Status, Date | Jun. 30, 2022 | Jun. 30, 2021 |
IBEW Local 648 Pension Plan |  |  |
Multiemployer Plans [Line Items] |  |  |
Multiemployer Plan, Pension, Significant, Employer Identification Number | 316134845 |  |
Multiemployer Plan, Pension, Significant, Plan Number | 001 |  |
Multiemployer Plan, Pension, Significant, Certified Zone Status [Fixed List] | Yellow | Yellow |
Multiemployer Plan, Pension, Significant, Funding Improvement or Rehabilitation Plan, Implementation Status [Fixed List] | Implemented |  |
Multiemployer Plan, Pension, Significant, Employer Contribution, Cost | $ 915 | $ 706 | 526
Multiemployer Plan, Pension, Significant, Surcharge [Fixed List] | No |  |
Multiemployer Plan, Pension, Significant, Collective-Bargaining Arrangement, Expiration Date | Sep. 01, 2024 |  |
Multiemployer Plan, Pension, Significant, Certified Zone Status, Date | Feb. 28, 2022 | Feb. 28, 2021 |
IBEW Local 683 Pension Fund Pension Plan |  |  |
Multiemployer Plans [Line Items] |  |  |
Multiemployer Plan, Pension, Significant, Employer Identification Number | 341442087 |  |
Multiemployer Plan, Pension, Significant, Plan Number | 001 |  |
Multiemployer Plan, Pension, Significant, Certified Zone Status [Fixed List] | Green | Green |
Multiemployer Plan, Pension, Significant, Funding Improvement or Rehabilitation Plan, Implementation Status [Fixed List] | No |  |
Multiemployer Plan, Pension, Significant, Employer Contribution, Cost | $ 3,362 | $ 1,238 | 1,240
Multiemployer Plan, Pension, Significant, Surcharge [Fixed List] | No |  |
Multiemployer Plan, Pension, Significant, Collective-Bargaining Arrangement, Expiration Date | May 26, 2024 |  |
Idaho Plumbers and Pipefitters Pension Plan |  |  |
Multiemployer Plans [Line Items] |  |  |
Multiemployer Plan, Pension, Significant, Employer Identification Number | 826010346 |  |
Multiemployer Plan, Pension, Significant, Plan Number | 001 |  |
Multiemployer Plan, Pension, Significant, Certified Zone Status [Fixed List] | Green | Green |
Multiemployer Plan, Pension, Significant, Funding Improvement or Rehabilitation Plan, Implementation Status [Fixed List] | No |  |
Multiemployer Plan, Pension, Significant, Employer Contribution, Cost | $ 1,613 | $ 1,528 | 1,370
Multiemployer Plan, Pension, Significant, Surcharge [Fixed List] | No |  |
Multiemployer Plan, Pension, Significant, Collective-Bargaining Arrangement, Expiration Date | Mar. 31, 2023 |  |
Multiemployer Plan, Pension, Significant, Certified Zone Status, Date | May 31, 2022 | May 31, 2021 |
National Electrical Benefit Fund |  |  |
Multiemployer Plans [Line Items] |  |  |
Multiemployer Plan, Pension, Significant, Employer Identification Number | 530181657 |  |
Multiemployer Plan, Pension, Significant, Plan Number | 001 |  |
Multiemployer Plan, Pension, Significant, Certified Zone Status [Fixed List] | Green | Green |
Multiemployer Plan, Pension, Significant, Funding Improvement or Rehabilitation Plan, Implementation Status [Fixed List] | No |  |
Multiemployer Plan, Pension, Significant, Employer Contribution, Cost | $ 18,060 | $ 14,361 | 14,484
Multiemployer Plan, Pension, Significant, Surcharge [Fixed List] | No |  |
National Electrical Benefit Fund | Minimum |  |  |
Multiemployer Plans [Line Items] |  |  |
Multiemployer Plan, Pension, Significant, Collective-Bargaining Arrangement, Expiration Date | May 31, 2022 |  |
National Electrical Benefit Fund | Maximum |  |  |
Multiemployer Plans [Line Items] |  |  |
Multiemployer Plan, Pension, Significant, Collective-Bargaining Arrangement, Expiration Date | May 31, 2027 |  |
Pension and Retirement Plan of Plumbers and Pipefitters Local 525 |  |  |
Multiemployer Plans [Line Items] |  |  |
Multiemployer Plan, Pension, Significant, Employer Identification Number | 886003864 |  |
Multiemployer Plan, Pension, Significant, Plan Number | 001 |  |
Multiemployer Plan, Pension, Significant, Certified Zone Status [Fixed List] | Green | Green |
Multiemployer Plan, Pension, Significant, Funding Improvement or Rehabilitation Plan, Implementation Status [Fixed List] | No |  |
Multiemployer Plan, Pension, Significant, Employer Contribution, Cost | $ 6,304 | $ 4,345 | 6,266
Multiemployer Plan, Pension, Significant, Surcharge [Fixed List] | No |  |
Multiemployer Plan, Pension, Significant, Collective-Bargaining Arrangement, Expiration Date | Sep. 30, 2024 |  |
Multiemployer Plan, Pension, Significant, Certified Zone Status, Date | Jun. 30, 2022 | Jun. 30, 2021 |
Pension Trust Fund for Operating Engineers |  |  |
Multiemployer Plans [Line Items] |  |  |
Multiemployer Plan, Pension, Significant, Employer Identification Number | 946090764 |  |
Multiemployer Plan, Pension, Significant, Plan Number | 001 |  |
Multiemployer Plan, Pension, Significant, Certified Zone Status [Fixed List] | Yellow | Yellow |
Multiemployer Plan, Pension, Significant, Funding Improvement or Rehabilitation Plan, Implementation Status [Fixed List] | Implemented |  |
Multiemployer Plan, Pension, Significant, Employer Contribution, Cost | $ 2,484 | $ 2,495 | 2,680
Multiemployer Plan, Pension, Significant, Surcharge [Fixed List] | No |  |
Pension Trust Fund for Operating Engineers | Minimum |  |  |
Multiemployer Plans [Line Items] |  |  |
Multiemployer Plan, Pension, Significant, Collective-Bargaining Arrangement, Expiration Date | Mar. 31, 2023 |  |
Pension Trust Fund for Operating Engineers | Maximum |  |  |
Multiemployer Plans [Line Items] |  |  |
Multiemployer Plan, Pension, Significant, Collective-Bargaining Arrangement, Expiration Date | Jun. 15, 2026 |  |
Sheet Metal Workers Pension Plan of Southern CA, AZ, and NV |  |  |
Multiemployer Plans [Line Items] |  |  |
Multiemployer Plan, Pension, Significant, Employer Identification Number | 956052257 |  |
Multiemployer Plan, Pension, Significant, Plan Number | 001 |  |
Multiemployer Plan, Pension, Significant, Certified Zone Status [Fixed List] | Green | Yellow |
Multiemployer Plan, Pension, Significant, Funding Improvement or Rehabilitation Plan, Implementation Status [Fixed List] | Implemented |  |
Multiemployer Plan, Pension, Significant, Employer Contribution, Cost | $ 3,400 | $ 2,615 | 3,255
Multiemployer Plan, Pension, Significant, Surcharge [Fixed List] | No |  |
Multiemployer Plan, Pension, Significant, Collective-Bargaining Arrangement, Expiration Date | Jun. 30, 2024 |  |
Western Conference of Teamsters Pension Plan |  |  |
Multiemployer Plans [Line Items] |  |  |
Multiemployer Plan, Pension, Significant, Employer Identification Number | 916145047 |  |
Multiemployer Plan, Pension, Significant, Plan Number | 001 |  |
Multiemployer Plan, Pension, Significant, Certified Zone Status [Fixed List] | Green | Green |
Multiemployer Plan, Pension, Significant, Funding Improvement or Rehabilitation Plan, Implementation Status [Fixed List] | No |  |
Multiemployer Plan, Pension, Significant, Employer Contribution, Cost | $ 3,127 | $ 3,006 | $ 3,025
Multiemployer Plan, Pension, Significant, Surcharge [Fixed List] | No |  |
Western Conference of Teamsters Pension Plan | Minimum |  |  |
Multiemployer Plans [Line Items] |  |  |
Multiemployer Plan, Pension, Significant, Collective-Bargaining Arrangement, Expiration Date | Dec. 31, 2023 |  |
Western Conference of Teamsters Pension Plan | Maximum |  |  |
Multiemployer Plans [Line Items] |  |  |
Multiemployer Plan, Pension, Significant, Collective-Bargaining Arrangement, Expiration Date | Dec. 31, 2025 |  |

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- Definition Amount of cost for employer contribution to multiemployer plan. Multiemployer plan includes, but is not limited to, pension plan determined to be individually significant and insignificant and other postretirement benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 55 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 35 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=29639808&loc=d3e29008-114946 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 11 -URI https://asc.fasb.org/extlink&oid=65877416&loc=SL14450702-114947 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 9 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=65877416&loc=SL14450691-114947 + Details
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- Definition Amount of cost for employer contribution to multiemployer pension plan determined to be individually insignificant. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 9 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=65877416&loc=SL14450691-114947 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 55 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 5 -Subparagraph (e)(1) -URI https://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947 + Details
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- Definition Indicates certified zone status of multiemployer pension plan determined to be individually significant. Acceptable values are "Green", "Yellow", "Orange", "Red", "Other", and "NA". + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 55 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 5 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947 + Details
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