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Revenue Recognition (Narrative) (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018 | Dec. 31, 2018
Unredeemed Gift Card Sales Percentage | 4.00% |  | 4.00% |  |
Gift card breakage revenue recognition period |  |  | 8 months |  |
Earned points expiration period for inactivity |  |  | 6 months |  |
Gift Card [Member] |  |  |  |  |
Liability included in unearned revenue | $ 53,217,000 |  | $ 53,217,000 |  | $ 70,474,000
Revenue recognized from deferred liability | 6,615,000 | $ 6,289,000 | 31,318,000 | $ 30,529,000 |
Chipotle Rewards [Member] |  |  |  |  |
Liability included in unearned revenue | 8,577,000 |  | 8,577,000 |  | $ 0
Revenue recognized from deferred liability | $ 8,873,000 | $ 0 | $ 11,150,000 | $ 0 |
Minimum [Member] |  |  |  |  |
Earned rewards, expiration period |  |  | 1 month |  |
Maximum [Member] |  |  |  |  |
Earned rewards, expiration period |  |  | 2 months |  |

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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130532-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045 + Details
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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045 + Details
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