Policy and Claim Reserves (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Estimated claims and claim adjustment expenses for claims arising in prior years	$ (1,460,000)	$ (962,000)
Number of claims settled within twelve months of date of loss as percent	87.60%
Number of claims settled within two years of date of loss as percent	97.30%
Reserve for unpaid claims	$ 391,000
Policy and contract claims	1,008,000	826,000
Hurricane [Member]
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Estimated claims and claim adjustment expenses for claims arising in prior years	$ 462,000	$ 856,000
Hurricane Matthew [Member]
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Percent of reported claims paid	95.00%