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Income Taxes Impact of New Tax Legislation (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Dec. 31, 2019
AMT Receivable Resulting from TCJA |  |  | $ 37,019
Change in Impact of AMT Repeal on Current Taxes | $ 1,902 |  |
Impact of AMT Repeal on Current Taxes |  | $ 29,581 |
AMT Related to Filing of 2017 Tax Return |  | $ 5,536 |

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- Definition AMT Related to Filing of 2017 Tax Return + References No definition available. + Details
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