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Fair Value Measurements (Quantitative Information Used As Level 3 Inputs) (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 USD ($) $ / bond | Dec. 31, 2015 USD ($)
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Other assets (liabilities) | $ 4,379 | $ 3,463
Significant Unobservable Inputs (Level 3) |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Other assets (liabilities) | (13,004) |
Significant Unobservable Inputs (Level 3) | Assumed reinsurance contract | Internal Valuation Model Valuation Technique |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Liabilities, fair value | $ (574) |
Significant Unobservable Inputs (Level 3) | Assumed reinsurance contract | Internal Valuation Model Valuation Technique | Low |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Bond price | $ / bond | 100.82 |
Significant Unobservable Inputs (Level 3) | Assumed reinsurance contract | Internal Valuation Model Valuation Technique | Maximum |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Bond price | $ / bond | 103.58 |
Significant Unobservable Inputs (Level 3) | Assumed reinsurance contract | Internal Valuation Model Valuation Technique | Weighted average or actual |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Bond price | $ / bond | 102.29 |
Liquidity discount | 1.30% |
Significant Unobservable Inputs (Level 3) | Assumed and ceded (re)insurance contracts | Internal Valuation Model Valuation Technique |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Liabilities, fair value | $ (12,430) |
Significant Unobservable Inputs (Level 3) | Assumed and ceded (re)insurance contracts | Internal Valuation Model Valuation Technique | Low |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Contract period | 2 years |
Significant Unobservable Inputs (Level 3) | Assumed and ceded (re)insurance contracts | Internal Valuation Model Valuation Technique | Maximum |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Contract period | 4 years 7 months 27 days |
Significant Unobservable Inputs (Level 3) | Assumed and ceded (re)insurance contracts | Internal Valuation Model Valuation Technique | Weighted average or actual |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Net undiscounted cash flows | $ (12,396) |
Expected loss ratio | 35.20% |
Net acquisition expense ratio | (20.70%) |
Contract period | 4 years 6 months |
Discount rate | 1.90% |

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- Definition Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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