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REVENUE RECOGNITION - Schedule of Assets and Liabilities Associated with Contracts from Customers (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Disaggregation Of Revenue [Line Items]
Accounts receivable	$ 60,452	$ 43,129
Short-term deferred revenue	97,333	80,782
Long-term deferred revenue	47,529	$ 41,785
Other Current Assets [Member]
Disaggregation Of Revenue [Line Items]
Short-term unbilled receivables	$ 1,362

X

- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current.

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Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as noncurrent.

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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.

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