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Income Taxes (Tables) | 3 Months Ended
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Mar. 31, 2019
Income Tax Disclosure [Abstract] |
Provision for Income Taxes and Effective Income Tax Rates | The provision for income taxes and the effective income tax rates were as follows (dollars in thousands):
|  | Three Months Ended March 31, |
|  | 2019 |  |  | 2018 |
Provision for income taxes |  | $ | 426 |  |  | $ | 134 |
Effective income tax rate |  |  | 9.0 | % |  |  | 3.3 | %

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- Definition Tabular disclosure of provision for income taxes and effective income tax rate. + References No definition available. + Details
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