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REVENUE RECOGNITION - Deferred Contract Acquisition Costs (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Prepaid expenses and other current assets |  |
Capitalized Contract Cost [Line Items] |  |
Deferred contract acquisition costs | $ 1,009 | $ 2,501
Other non-current assets |  |
Capitalized Contract Cost [Line Items] |  |
Deferred contract acquisition costs | $ 5,315 | $ 10,133

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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 carrying amount of deferred costs. + References No definition available. + Details
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- Details
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