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Other Long-Term Liabilities - Deferred (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017 | Dec. 31, 2017
Deferred payment arrangements value |  | $ 2.9 |  | $ 3.6
Funds received from investor |  | $ 2.8 |  |
Minimum |  |  |  |
Leasehold improvements and long-term liability amortization period |  | 5 years |  |
Maximum |  |  |  |
Leasehold improvements and long-term liability amortization period |  | 10 years |  |
New York Code And Design Academy, Inc. |  |  |  |
Adjustment in fair value of contingent consideration | $ 5.5 |  | $ 7.8 |

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- Definition Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479 + Details
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