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Income Taxes (Detail Textuals) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Operating Loss Carryforwards [Line Items] |  |  |
Statutory federal income tax rate | 21.00% | 35.00% | 35.00%
Discrete tax benefit adjustment |  | $ 19,300 |
Discrete income tax provision adjustment related to vesting of restricted stock | $ 5,100 |  |
Tax expense related to executive compensation | 1,300 |  |
Provisional expense | 500 |  |
Deferred tax assets, valuation allowance | 445 | 3,994 |
Capital loss carryforwards | 56 |  |
Total net income tax (refunds) payments | 18,000 | 98,000 | $ (42,400)
Unrecognized tax benefits | 2,215,000 | 2,215,000 | $ 2,215,000
Accrued interest and penalties | $ 263 | $ 193 |
Earliest tax year |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Statutory federal income tax rate | 35.00% |  |
Latest tax year |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Statutory federal income tax rate | 21.00% |  |
State and Local Jurisdiction |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Net operating loss carryforwards related to state income taxes | $ 27,600 |  |
Deferred tax assets, valuation allowance | $ 390 |  |

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- Definition Amount of income tax expense (benefit) from continuing operations attributable to an adjustment of vesting of restricted stock for enacted changes in tax laws or rates or a change in the tax status of the entity. + References No definition available. + Details
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- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4297-108586 + Details
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