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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Income Tax Disclosure [Abstract] |  |  |  |  |
Revaluation of deferred tax assets due to tax rate change | $ 352 |  | $ 0 | $ 352 | $ 0
Net tax benefit | (22) |  | (879) | 1,421 | (767)
Provision for/resolution of tax audits and contingencies, net | 0 |  | (1,489) | 278 | (1,733)
Write-off of net operating losses related to tax audit | $ 0 |  | 0 | $ 0 | $ 1,830
Deferred income tax expense (benefit) |  |  | $ 1,000 |  |
Deferred federal income tax expense (benefit) |  | $ 1,800 |  |  |

X
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to out-of-period adjustments to deferred tax assets. + References No definition available. + Details
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