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Related Party Transaction - Clayton G. Wilson (Details) - Clayton G. Wilson - USD ($) | 3 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2016 | Dec. 31, 2017 | Jul. 01, 2017
Related Party Transaction [Line Items] |  |  |
Payments for services and covenants | $ 750,000 |  |
Lump sum payments | $ 200,000 |  |
Scenario, Forecast |  |  |
Related Party Transaction [Line Items] |  |  |
Lump sum payments |  | $ 275,000 | $ 275,000

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- Definition Amount of postemployment benefit liabilities classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 712 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6410195&loc=d3e80090-111668 + Details
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