v3.8.0.1

Summary of Significant Accounting Policies - Software Costs (Details) - USD ($) $ in Millions | 2 Months Ended | 10 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2016 | Nov. 03, 2016 | Dec. 31, 2017 | Dec. 31, 2015
Capitalized Computer Software [Line Items] |  |  |  |
Capitalized Computer Software, Useful Life |  |  | 5 years |
Capitalized Computer Software, Amortization |  |  | $ 2.5 |
Successor |  |  |  |
Capitalized Computer Software [Line Items] |  |  |  |
Capitalized Computer Software, Net | $ 7.4 |  | $ 7.3 |
Capitalized Computer Software, Amortization | $ 0.3 |  |  |
Predecessor |  |  |  |
Capitalized Computer Software [Line Items] |  |  |  |
Capitalized Computer Software, Amortization |  | $ 1.5 |  | $ 1.4

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- Definition Amount of expense for amortization of capitalized computer software costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128487-111756 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 + Details
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- Definition The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128487-111756 + Details
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