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Income Taxes - Tax Reconciliation (Parenthetical) (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Scheduleof Componentsof Income Tax Expense Benefit [Line Items] |  |  |
Income tax expense (benefit) | $ 1,245,000 | $ 522,000 | $ (9,647,000)
Other Operating Expenses [Member] |  |  |
Scheduleof Componentsof Income Tax Expense Benefit [Line Items] |  |  |
Income tax expense (benefit) | 757,000 | 706,000 | $ 90,000
Gain on Sale of Real Estate [Member] |  |  |
Scheduleof Componentsof Income Tax Expense Benefit [Line Items] |  |  |
Income tax expense (benefit) | $ 488,000 | $ (184,000) |

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