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Construction Backlog (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Construction Backlog [Textual] |  |  |
Balance - January 1 | $ 541,291,000 | $ 105,851 | $ 6,200
New contracts and change orders during the period | 306,097,000 |  |
New contracts and change orders during period, gross | 847,388,000 |  |
Less: contract revenue earned during the period | 84,635,000 |  |
New contracts and change orders during period net | 762,753,000 |  |
Contracts signed but not started |  |  |
Balance - December 31 | 762,753,000 | 541,291,000 | 105,851
Successor [Member] |  |  |
Construction Backlog [Textual] |  |  |
Balance - January 1 | $ 541,291 | 105,851 |
New contracts and change orders during the period |  | 807,786 |
New contracts and change orders during period, gross |  | 913,637 |
Less: contract revenue earned during the period |  | (372,346) |
New contracts and change orders during period net |  | 541,291 |
Contracts signed but not started |  |  |
Balance - December 31 |  | 541,291 | 105,851
Predecessor [Member] |  |  |
Construction Backlog [Textual] |  |  |
Balance - January 1 |  | $ 105,851 | 6,200
New contracts and change orders during the period |  |  | 172,805
New contracts and change orders during period, gross |  |  | 179,005
Less: contract revenue earned during the period |  |  | (73,154)
New contracts and change orders during period net |  |  | 105,851
Contracts signed but not started |  |  |
Balance - December 31 |  |  | $ 105,851

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- Definition Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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- Definition Amount of revenue earned from products sold or services provided under the terms of a contract, including, but not limited to, government contracts and construction contracts, classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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