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Credit Facilities - Narrative (Details) $ in Millions		1 Months Ended	3 Months Ended
	Jan. 16, 2018 USD ($)	Jan. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Excess Cash Flows Greater Than Or Equal to 2.50
Line of Credit Facility [Line Items]
Percentage of excess cash flow for each year of funded indebtedness to EBDTA			75.00%
Excess Cash Flows Less Than 2.50 Greater Than 2.00
Line of Credit Facility [Line Items]
Percentage of excess cash flow for each year of funded indebtedness to EBDTA			50.00%
Term Loans
Line of Credit Facility [Line Items]
Fixed charge coverage ratio			0.0135
Ratio of debt to EBITDA at closing at thereafter			0.0299
Ratio of debt to EBDTA for the period through December 31, 2017			3.0
Ratio of debt to EBDTA for the period ending September 30, 2018 through maturity			0.025
Term Loans | Excess Cash Flows Greater Than Or Equal to 2.50
Line of Credit Facility [Line Items]
Ratio of funded indebtedness to adjusted EBDTA, actual			2.50
Line of Credit
Line of Credit Facility [Line Items]
Unused borrowing capacity			$ 9.4
Line of credit, maximum borrowing capacity			10.0
Letter of Credit
Line of Credit Facility [Line Items]
Line of credit, maximum borrowing capacity			$ 0.6
Term Loan with Fifth Third Bank | Term Loans | Subsequent Event
Line of Credit Facility [Line Items]
Excess cash flow payment of loan agreement	$ 2.9	$ 2.9
Maximum | Term Loans | Excess Cash Flows Less Than 2.50 Greater Than 2.00
Line of Credit Facility [Line Items]
Ratio of funded indebtedness to adjusted EBDTA, actual			2.50
Minimum | Term Loans | Excess Cash Flows Less Than 2.50 Greater Than 2.00
Line of Credit Facility [Line Items]
Ratio of funded indebtedness to adjusted EBDTA, actual			2.0

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Fixed Charge Coverage Ratio

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Percentage of Excess Cash Flow For Each Year Of Funded Indebtedness to Adjusted EBITDA

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Ratio of Debt to Earnings Before Interest, Taxes, Depreciations, and Amortization

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Ratio of Debt to Earnings Before Interest, Taxes, Depreciations, and Amortization, Period Three

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Ratio of Debt to Earnings Before Interest, Taxes, Depreciations, and Amortization, Period Two

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Ratio of Funded Indebtedness to Adjusted Earnings Before Interest, Taxes, Depreciations, and Amortization

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Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(b))
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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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