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Intangibles (Tables) | 12 Months Ended
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Dec. 31, 2016
Schedule of Intangible Assets and Goodwill [Table Text Block] | Intangible assets, including goodwill, are comprised of the following:
(in thousands) |  | Gross carrying amount |  | Accumulated amortization |  | Net intangible assets, excluding goodwill |
December 31, 2016 |  |  |  |  |  |  |  |  |  |
Amortized intangible assets: |  |  |  |  |  |  |  |  |  |
Backlog - Construction |  | $ | 4,830 |  | $ | (2,222) |  | $ | 2,608 |
Backlog - Service |  |  | 880 |  |  | (398) |  |  | 482 |
Customer Relationships - Service |  |  | 4,710 |  |  | (452) |  |  | 4,258 |
Favorable Leasehold Interests |  |  | 530 |  |  | (31) |  |  | 499 |
Total amortized intangible assets |  |  | 10,950 |  |  | (3,103) |  |  | 7,847 |
Unamortized intangible assets: |  |  |  |  |  |  |  |  |  |
Trade Name |  |  | 9,960 |  |  | — |  |  | 9,960 |
Total unamortized intangible assets |  |  | 9,960 |  |  | — |  |  | 9,960 |
Total amortized and unamortized assets, excluding goodwill |  | $ | 20,910 |  | $ | (3,103) |  | $ | 17,807 |
Goodwill |  | $ | 10,488 |  | $ | — |  | $ | 10,488 |
Finite-lived Intangible Assets Amortization Expense [Table Text Block] | The estimated useful lives of definite-lived intangible assets are as follows:
Asset |  | Amortization Method |  | Estimated Useful Life
Backlog – Construction |  | Pattern of economic benefit |  | 2.5 Years
Backlog – Service |  | Straight line |  | 1.0 Year
Customer Relationships – Service |  | Pattern of economic benefit |  | 15.0 Years
Favorable Leasehold Interests |  | Straight line |  | 8.67 Years
Successor [Member] |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] | The Predecessor had no intangible assets as of December 31, 2015. The Successor’s estimated amortization expense is as follows for the years ending December 31:
(in thousands) |  | Estimated Amortization Expense |
2017 |  | $ | 3,582 |
2018 |  | $ | 1,272 |
2019 |  | $ | 642 |
2020 |  | $ | 525 |
2021 |  | $ | 431 |
2022 and thereafter |  | $ | 1,395 |

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- Definition Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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