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STOCKHOLDERS' EQUITY (Details) - USD ($) | 3 Months Ended | 6 Months Ended |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2021 | May 31, 2021 | May 19, 2021 | May 18, 2021 | Dec. 31, 2020 | May 20, 2020 | May 19, 2020 | Apr. 30, 2020
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |
Common stock, par value (in usd per share) | $ 0.00001 | $ 0.00001 |  | $ 0.00001 |  | $ 0.00001 | $ 0.00001 |  |
Common stock, shares authorized (in shares) | 300,000,000 | 300,000,000 |  | 300,000,000 | 200,000,000 | 200,000,000 | 200,000,000 | 150,000,000 |
2020 Repurchase Program |  |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |
Repurchase program, shares authorized (in shares) |  |  |  |  |  |  |  |  | $ 200,000,000.0
Stock repurchased and retired during period (in shares) | 1,700,000 | 1,700,000 |  |  |  |  |  |  |
Average cost, shares repurchased (in usd per share) | $ 117.47 | $ 117.47 |  |  |  |  |  |  |
Repurchase of common stock | $ 200,000,000.0 | $ 200,000,000.0 |  |  |  |  |  |  |
2021 Repurchase Program |  |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |
Repurchase program, shares authorized (in shares) |  |  | $ 500,000,000.0 |  |  |  |  |  |

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