Fair Value Measurements (Details 4) - Fair value measurement on a nonrecurring basis [Member] - Fair Value, Inputs, Level 3 [Member] $ in Thousands |
12 Months Ended |
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Dec. 31, 2017
USD ($)
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| Discounted cash flow [Member] | |
| Assets and liabilities measured at fair value on a recurring basis | |
| Fair Values on Measurement Date | $ 3,850 |
| Discounted cash flow [Member] | Minimum [Member] | |
| Assets and liabilities measured at fair value on a recurring basis | |
| Discount rate (percent) | 14.00% |
| Discounted cash flow [Member] | Maximum [Member] | |
| Assets and liabilities measured at fair value on a recurring basis | |
| Discount rate (percent) | 16.00% |
| Discounted cash flow [Member] | Weighted Average [Member] | |
| Assets and liabilities measured at fair value on a recurring basis | |
| Discount rate (percent) | 14.00% |
| Terminal capitalization rate (percent) | 12.00% |
| Comparable sales analysis [Member] | |
| Assets and liabilities measured at fair value on a recurring basis | |
| Fair Values on Measurement Date | $ 1,755 |
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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Ratio of the net operating income produced by an asset and its capital cost (original prices paid to buy the asset), used as an input to measure fair value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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