Policy and Claim Reserves (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Unpaid losses and adjustment expenses for claims incurred in prior years	$ 958,000	$ 1,793,000
Katrina [Member]
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Case reserves	$ 390,000	$ 266,000