Income Taxes Provisional Amounts Disclosures Related to Tax Cuts and Jobs Act (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Income Taxes, Provisional Items [Line Items] | |||
| Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | $ 1,239 | $ 5,727 | $ 51,177 |
| Domestic Tax Authority [Member] | |||
| Income Taxes, Provisional Items [Line Items] | |||
| Federal Alternative Minimum Tax Credit Carryforward | $ 300 | ||
| Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | $ 11,300 | $ 51,200 | |
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- Definition Federal Alternative Minimum Tax Credit Carryforward No definition available.
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- Definition [Line Items] for Income Taxes, Provisional Items [Table] No definition available.
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- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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