COMMITMENTS AND CONTINGENCIES - Narrative (Details) - USD ($) $ in Thousands |
Mar. 31, 2019 |
Dec. 31, 2018 |
Mar. 31, 2018 |
Dec. 31, 2017 |
|---|---|---|---|---|
| Commitments and Contingencies Disclosure [Abstract] | ||||
| Standard product warranty accrual | $ 23,213 | $ 24,552 | $ 23,812 | $ 23,328 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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