v3.19.1

Basis and Summary of Significant Accounting Policies - Related Party Transactions (Details) $ in Millions | 3 Months Ended | 12 Months Ended | 36 Months Ended
--- | --- | --- | ---
Mar. 31, 2019 USD ($) lease franchise | Dec. 31, 2018 | Dec. 31, 2004 Property
Related Party Transaction [Line Items] |  |  |
Threshold Period Past Due for Write-off of Trade Accounts Receivable |  | 60 days |
Additional number of businesses acquired | franchise | 2 |  |
Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Sale leaseback, number of properties | Property |  |  | 21
Number of capital leases | lease | 2 |  |
Number of operating leases | lease | 4 |  |
Capital leases, annual rental payments | $ | $ 0.1 |  |
Interest rate in the leases | 9.70% |  |
Operating leases, annual rental payments | $ | $ 0.2 |  |

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- Definition Number Of Capital Leases + References No definition available. + Details
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- Definition Number Of Operating Leases + References No definition available. + Details
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- Definition Operating Leases, Annual Rental Payments + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The yearly payments due under the lease entered into in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84164451&loc=d3e36991-112694 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=77913982&loc=d3e50796-112755 + Details
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- Definition The financing cost related to leases that have been recorded under the deposit method, as a financing or as a capital leases in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller. + References No definition available. + Details
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- Definition Threshold period past due for trade accounts receivable to write off as uncollectible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Details
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