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INCOME TAXES - Components of Net Deferred Tax Asset and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Deferred tax assets: |  |
Net operating loss carryforwards | $ 88,129 | $ 70,960
Accruals and reserves | 26,309 | 24,902
Interest expense carryforward | 3,464 | 0
Depreciation | 4,795 | 2,493
Tax credit carryforwards | 31,556 | 15,307
Other | 370 | 199
Total deferred tax assets | 154,623 | 113,861
Valuation allowances | (23,409) | (28,007)
Total net deferred tax assets | 131,214 | 85,854
Deferred tax liabilities: |  |
Capped call transactions | (20,858) | 0
Convertible senior notes | (6,473) | 0
Software revenue | (11,477) | (23,859)
Intangibles | (4,338) | (6,103)
Total deferred tax liabilities | (43,146) | (29,962)
Deferred tax assets, net | $ 88,068 | $ 55,892

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