Accounting Policies (Schedule of Profit Sharing Commission) (Details) |
Jan. 01, 2008 |
Jan. 01, 2007 |
Jan. 01, 2006 |
Jul. 01, 2004 |
Jul. 01, 2003 |
Jul. 01, 2002 |
Jul. 01, 2001 |
|---|---|---|---|---|---|---|---|
| Standard Commercial P & C Business Unit [Member] | |||||||
| Provisional loss ratio | 64.20% | 59.00% | 59.00% | 60.00% | |||
| Estimated ultimate loss ratio recorded to at December 31, 2015 | 66.10% | 61.60% | 64.50% | 63.50% | |||
| MGA Commercial Products [Member] | |||||||
| Provisional loss ratio | 65.00% | 65.00% | 65.00% | ||||
| Estimated ultimate loss ratio recorded to at December 31, 2015 | 59.70% | 64.00% | 58.80% |