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v3.21.1

Taxes on Income (Details) - USD ($) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2017 | Dec. 31, 2020
Income Taxes [Abstract] |  |  |  |
Effective income tax rate | 21.00% |  | 35.00% |
Income tax receivable | $ 70,528,000 |  |  | $ 188,177,000
Tax refund amount | 119,493,000 |  |  |
Loss before taxes on income [Abstract] |  |  |  |
Loss before taxes on income | (4,011,000) | $ (519,772,000) |  |
U.S. Federal [Abstract] |  |  |  |
Current | 0 | (137,696,000) |  |
Deferred | (603,000) | (23,443,000) |  |
U.S. State and local [Abstract] |  |  |  |
Current | (358,000) | 82,000 |  |
Deferred | 70,000 | (11,799,000) |  |
Foreign - current | 0 | 47,000 |  |
Total provision (benefit) for taxes on income | $ (891,000) | (172,809,000) |  |
COVID-19 [Member] |  |  |  |
Income Taxes [Abstract] |  |  |  |
Operating losses tax year | 2013 2014 2015 2016 2017 |  |  |
Tax benefit related to CARES Act |  | (50,824,000) |  |
COVID-19 [Member] | Maximum [Member] |  |  |  |
Income Taxes [Abstract] |  |  |  |
Number of years net operating losses carried | 5 years |  |  |
United States [Member] |  |  |  |
Loss before taxes on income [Abstract] |  |  |  |
Loss before taxes on income | $ (3,619,000) | (519,489,000) |  |
Foreign [Member] |  |  |  |
Loss before taxes on income [Abstract] |  |  |  |
Loss before taxes on income | $ (392,000) | $ (283,000) |  |

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