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Revenue Recognition - Additional Information (Details) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 segment | Dec. 31, 2019 USD ($) item segment
Graduation Fund [Line Items] |  |
Number of Reportable Segments | segment | 2 | 2
Number of free courses |  | 1
Number of successfully completed courses |  | 3
Consecutive terms of non attendance in which Graduation Fund credits will be lost |  | 1
Expected collection period of tuition receivable |  | 12 months
Unbilled receivables | $ |  | $ 1.3
Current Liability |  |
Graduation Fund [Line Items] |  |
Graduation fund estimated to be redeemed | $ |  | $ 19.6
Minimum |  |
Graduation Fund [Line Items] |  |
Expected collection period of tuition receivable, noncurrent |  | 2 years
Maximum |  |
Graduation Fund [Line Items] |  |
Expected collection period of tuition receivable, noncurrent |  | 4 years

X
- Definition Represents the number of consecutive term of non-attendance in which Graduation Fund credits will be lost. + References No definition available. + Details
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X
- Definition The estimated amount of graduation fund to be redeemed in the next twelve months. + References No definition available. + Details
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X
- Definition Expected collection period of tuition receivable. + References No definition available. + Details
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- Definition Represents the number of free courses. + References No definition available. + Details
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- Definition Represents the number of successfully completed courses. + References No definition available. + Details
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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8672-108599 + Details
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- Definition Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer. + References No definition available. + Details
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