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Fair Value Measurements (Quantitative Information Used As Level 3 Inputs) (Details) - Jun. 30, 2015 - Significant Unobservable Inputs (Level 3) $ in Thousands | USD ($) d | USD ($) d $ / bond
--- | --- | ---
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Assets, fair value | $ 359,042 | $ 359,042
Corporate | Discounted Cash Flow Valuation Technique |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Assets, fair value | 7,660 | $ 7,660
Corporate | Discounted Cash Flow Valuation Technique | Weighted Average or Actual |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Credit spread |  | 3.60%
Liquidity discount |  | 1.00%
Risk-free rate |  | 0.30%
Dividend rate |  | 6.50%
Fixed maturity investments |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Assets, fair value | 7,660 | $ 7,660
Private equity partnerships | Net Asset Valuation Technique |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Assets, fair value | $ 250,796 | 250,796
Private equity partnerships | Net Asset Valuation Technique | Low |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Estimated performance | (30.20%) |
Private equity partnerships | Net Asset Valuation Technique | Maximum |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Estimated performance | 14.00% |
Private equity partnerships | Net Asset Valuation Technique | Weighted Average or Actual |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Estimated performance | 3.10% |
Senior secured bank loan funds | Net Asset Valuation Technique |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Assets, fair value | $ 22,561 | 22,561
Senior secured bank loan funds | Net Asset Valuation Technique | Weighted Average or Actual |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Estimated performance | 1.20% |
Hedge funds | Net Asset Valuation Technique |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Assets, fair value | $ 2,338 | 2,338
Hedge funds | Net Asset Valuation Technique | Low |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Estimated performance | 0.00% |
Hedge funds | Net Asset Valuation Technique | Maximum |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Estimated performance | 0.00% |
Hedge funds | Net Asset Valuation Technique | Weighted Average or Actual |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Estimated performance | 0.00% |
Other Investments |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Assets, fair value | $ 275,695 | 275,695
Reinsurance deposit asset | Internal Valuation Model Valuation Technique |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Assets, fair value | 82,905 | $ 82,905
Reinsurance deposit asset | Internal Valuation Model Valuation Technique | Weighted Average or Actual |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Estimated performance |  | 3.00%
Assumed reinsurance contract | Internal Valuation Model Valuation Technique |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Liabilities, fair value | (1,308) | $ (1,308)
Assumed reinsurance contract | Internal Valuation Model Valuation Technique | Low |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Bond price | $ / bond |  | 96.23
Assumed reinsurance contract | Internal Valuation Model Valuation Technique | Maximum |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Bond price | $ / bond |  | 99.78
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 |  | 97.48
Liquidity premium |  | 1.30%
Assumed and ceded (re)insurance contract | Internal Valuation Model Valuation Technique |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Liabilities, fair value | $ (5,896) | $ (5,896)
Assumed and ceded (re)insurance contract | Internal Valuation Model Valuation Technique | Low |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Contract period | d | 194 | 194
Assumed and ceded (re)insurance contract | Internal Valuation Model Valuation Technique | Maximum |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Contract period | d | 1,100 | 1,100
Assumed and ceded (re)insurance contract | Internal Valuation Model Valuation Technique | Weighted Average or Actual |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Net undiscounted cash flows |  | $ (9,233)
Expected loss ratio |  | 28.00%
Net acquisition expense ratio |  | 14.00%
Contract period | d | 824 | 824
Discount rate |  | 1.00%
Assumed and ceded (re)insurance contracts | Internal Valuation Model Valuation Technique |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Assets, fair value | $ 75,701 | $ 75,701
Weather contract | Internal Valuation Model Valuation Technique |  |
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items] |  |
Liabilities, fair value | $ (14) | $ (14)

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- Definition Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price). + 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 (e) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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