Policy Liabilities (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Liability for Unpaid Claims and Claims Adjustment Expense, Adjustment of Opening Balance [Line Items]
Policy claims payable at January 1	$ 10,020,000	$ 10,540,000	$ 10,222,000
Reinsurance recoverable	1,171,000	1,188,000	2,455,000
Net balance policy claims payable at January 1	8,849,000	9,352,000	7,767,000
Claims incurred related to current year	26,094,000	24,996,000	26,043,000
Claims incurred related to prior years	(687,000)	(1,565,000)	(1,187,000)
Total claims incurred	25,407,000	23,431,000	24,856,000
Claims paid related to current year	18,302,000	18,004,000	18,072,000
Claims paid related to prior years	6,127,000	5,930,000	5,199,000
Total claims paid	24,429,000	23,934,000	23,271,000
Policy claims payable at December 31	11,015,000	10,020,000	10,540,000
Reinsurance recoverable	(1,188,000)	(1,171,000)	(1,188,000)
Net balance policy claims payable at December 31	9,827,000	8,849,000	9,352,000
Favorable development related to SPLIC	$ 700,000	$ 1,600,000
Minimum [Member]
Liability for Unpaid Claims and Claims Adjustment Expense, Adjustment of Opening Balance [Line Items]
Liability for Future Policy Benefit by Product Segment, Interest Rate, Year of Issue	4.00%
Maximum [Member]
Liability for Unpaid Claims and Claims Adjustment Expense, Adjustment of Opening Balance [Line Items]
Liability for Future Policy Benefit by Product Segment, Interest Rate, Year of Issue	9.00%