Significant Accounting Policies (Concentration of Risk) (Details)	12 Months Ended
	Dec. 31, 2012
Concentration Risk [Line Items]
Concentration risk, other risk	1
Individual Agency Producing Greater than 5% of Direct Written Premium [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	5.00%
Property, Liability and Casualty Insurance Segment [Member] | Geographic Concentration Risk [Member]
Concentration Risk [Line Items]
Number of states in which entity operates	13
Life Insurance Segment [Member] | Geographic Concentration Risk [Member]
Concentration Risk [Line Items]
Number of states in which entity operates	6
Consolidated Revenues [Member] | Property, Liability and Casualty Insurance Segment [Member] | Product Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	88.00%
Consolidated Revenues [Member] | Property, Liability and Casualty Insurance Segment [Member] | Geographic Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	60.00%
Consolidated Revenues [Member] | Life Insurance Segment [Member] | Product Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	12.00%
Consolidated Revenues [Member] | Life Insurance Segment [Member] | Geographic Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	75.00%