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Income Tax Contingencies (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019
Income Tax Disclosure [Abstract] |  |  |
Net interest and penalties expense | $ 308 | $ 301 |
Accrued interest | 3,050 |  | $ 2,849
Accrued penalties | 1,692 |  | 1,681
Unrecognized tax benefits related to uncertain tax positions | 121,729 |  | 121,715
The amount of unrecognized tax benefits that, if recognized, would affect our effective tax rate | $ 120,436 |  | $ 120,410

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