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Summary of Significant Accounting Policies (Narrative) (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 USD ($) item segment | Dec. 31, 2018 USD ($) | Jan. 01, 2019 USD ($)
Significant Accounting Policies [Line Items] |  |  |
Property, plant and equipment, depreciation methods | Depreciation and amortization are calculated using the straight-line method over the estimated useful lives of the assets. |  |
Number of reporting units | item | 1 |  |
Number of operating segments | segment | 1 |  |
Tax at federal statutory rate | 21.00% | 21.00% |
Cash and cash equivalents in excess of FDIC insurance | $ 4,900 |  |
Advertising expense | 425 | $ 509 |
Reclassification of gains recognized in net income (loss) | 0 | $ 0 |
Right-of-use assets | 4,771 |  | $ 3,800
Operating lease liability | $ 4,792 |  | $ 3,800
Land Improvements [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Property, plant and equipment, useful life | 15 years |  |
Minimum [Member] | Furniture, Fixtures and Equipment [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Property, plant and equipment, useful life | 3 years |  |
Minimum [Member] | Computer Hardware and Data Handling Equipment [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Property, plant and equipment, useful life | 3 years |  |
Minimum [Member] | Building and Building Improvements [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Property, plant and equipment, useful life | 10 years |  |
Maximum [Member] | Furniture, Fixtures and Equipment [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Property, plant and equipment, useful life | 10 years |  |
Maximum [Member] | Computer Hardware and Data Handling Equipment [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Property, plant and equipment, useful life | 5 years |  |
Maximum [Member] | Building and Building Improvements [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Property, plant and equipment, useful life | 40 years |  |

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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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