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Revenue Recognition (Tables) | 6 Months Ended
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Jun. 30, 2019
Revenue Recognition [Abstract] |
Revenue Recognized From Liability Balances |
| Three months ended |  | Six months ended
| June 30, |  | June 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
Revenue recognized from gift card liability balance at the beginning of the year | $ | 6,615 |  | $ | 6,289 |  | $ | 31,318 |  | $ | 30,529

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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