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Fair Value of Financial Instruments (Details Textual) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2017 | Mar. 31, 2016
Fair Value of Financial Instruments (Textual) [Abstract] |  |
Embedded Derivative, Gain (Loss) on Embedded Derivative Total | $ (2,366) | $ (676)
Level 3 [Member] |  |
Fair Value of Financial Instruments (Textual) [Abstract] |  |
Embedded Derivative, Gain (Loss) on Embedded Derivative Total | $ (2,308) | $ (674)
Percentage Of Invested Assets In Total Investment Portfolio Level3 Recurring | 3.10% |

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- Definition Fair value of financial instruments. + References No definition available. + Details
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- Definition Percentage of invested assets in the total investment portfolio in Level 3 carried at fair value on a recurring basis. + References No definition available. + Details
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- Definition Net Increase or Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 + Details
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- Details
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