v3.3.1.900

Reinsurance - Narrative (Details) - Reinsurance recoverable - Customer concentration risk | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Rating A or better |  |
Concentration Risk [Line Items] |  |
Concentration risk, percentage | 99.10% |
Without credit rating |  |
Concentration Risk [Line Items] |  |
Concentration risk, percentage | 0.90% |
Major customer one |  |
Concentration Risk [Line Items] |  |
Concentration risk, percentage | 40.90% | 45.60%
Major customer two |  |
Concentration Risk [Line Items] |  |
Concentration risk, percentage | 35.50% | 10.60%
Major customer three |  |
Concentration Risk [Line Items] |  |
Concentration risk, percentage | 4.80% | 9.90%

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