REVENUE - Contract Balances - USD ($) $ in Thousands |
9 Months Ended | |
|---|---|---|
Sep. 30, 2018 |
Dec. 31, 2017 |
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| Contract With Customer Asset And Liability [Abstract] | ||
| Accounts Receivable Net Current | $ 318,075 | $ 341,989 |
| ContractWithCustomerAssetNetCurrent | 0 | 0 |
| Deferred Revenue, Current | 21,125 | 17,519 |
| Deferred Revenue, Noncurrent | 5,455 | 13,000 |
| Contract Assets [Member] | ||
| Contract Assets or Liabilities Line Items [Line Items} | ||
| Beginning Balance | 0 | |
| Satisfaction of Liability | 0 | |
| Additional amounts recognized | 0 | |
| Ending Balance | 0 | |
| Contract Liabilities [Member] | ||
| Contract Assets or Liabilities Line Items [Line Items} | ||
| Beginning Balance | $ 30,519 | |
| Satisfaction of Liability | (10,670) | |
| Additional amounts recognized | 6,731 | |
| Ending Balance | $ 26,580 |
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- Definition Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The carrying amount of consideration received or receivable as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer, including sales, license fees, and royalties, but excluding interest income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The noncurrent portion of deferred revenue amount as of balance sheet date. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized, and is not expected to be recognized in the next twelve months. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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