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Acquisition - Narrative (Details) $ in Thousands |  | 1 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jul. 02, 2018 USD ($) | Oct. 28, 2016 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2018 USD ($) company | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Borrowing From Revolving Credit Facility |  |  |  | $ 47,100 |  |
Revenues |  |  |  | 1,531,169 |  |
Other Nonoperating Expense |  |  |  |  | $ 2,300 |
Other Nonoperating Income |  |  |  |  |  | $ 1,400
Huen Electric Inc [Member] |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired | $ 47,082 |  | $ 47,082 | 11,200 |  |
Assets Acquisition, Contingent Consideration Liability |  |  | 0 | 0 |  |
Assets Acquisition, Transaction Costs |  |  | 300 | 300 |  |
Revenues |  |  |  | 69,000 |  |
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest |  |  |  | 500 |  |
Assets Acquisition, Compensation Expense Associated On Contingent Payments |  |  |  | 600 |  |
Assets Acquisition, Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability 1 | $ 10,700 |  |  | $ 11,200 |  |
Number of operating structure | company |  |  |  | 3 |  |
Assets Acquisition, Contingent Consideration Arrangements Other Expenses On Contingent Payment |  |  | $ 3,900 | $ 3,900 |  |
Western Pacific Enterprises [Member] |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  | $ 12,100 |  |  |  |
Assets Acquisition, Contingent Consideration Liability |  | 2,200 |  |  |  |
Assets Acquisition, Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability 1 |  | 800 |  |  |  |
Escrow Deposit |  | $ 1,900 |  |  |  |

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- Definition The amount represents the assets acquisition compensation expense associated with these contingent payments during the period. + References No definition available. + Details
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- Definition Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. + References No definition available. + Details
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- Definition Amount of direct costs of the assets acquisition including legal, accounting, and other costs incurred to consummate the assets acquisition. + References No definition available. + Details
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- Definition The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 20 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68072869&loc=d3e41242-110953 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(10)) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(8)) -URI http://asc.fasb.org/extlink&oid=114873790&loc=SL114874131-224263 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(15)) -URI http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260 + Details
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