Policy Liabilities and Short Duration Contracts (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Liability for Claims and Claims Adjustment Expense [Line Items]
Policy claims payable at January 1	$ 9,653,000	$ 9,560,000	$ 9,488,000
Reinsurance recoverable	543,000	950,000	686,000
Net balance policy claims payable at January 1	9,110,000	8,610,000	8,802,000
Contract claim liabilities acquired in acquisition	0	0	40,000
Claims incurred related to current year	26,000,000	26,911,000	24,541,000
Claims incurred related to prior years	(493,000)	(197,000)	(33,000)
Total claims incurred	25,507,000	26,714,000	24,508,000
Claims paid related to current year	18,681,000	19,584,000	17,691,000
Claims paid related to prior years	6,805,000	6,630,000	7,049,000
Total claims paid	25,486,000	26,214,000	24,740,000
Policy claims payable at December 31	9,538,000	9,653,000	9,560,000
Reinsurance recoverable	(407,000)	(543,000)	(950,000)
Net balance policy claims payable at December 31	9,131,000	9,110,000	$ 8,610,000
SPLIC subsidiary of CICA [Domain]
Liability for Claims and Claims Adjustment Expense [Line Items]
Claims incurred related to prior years	$ 493,000	$ 197,000
Minimum [Member]
Liability for Claims and Claims Adjustment Expense [Line Items]
Liability for Future Policy Benefit by Product Segment, Interest Rate, Year of Issue	2.50%
Maximum [Member]
Liability for Claims and Claims Adjustment Expense [Line Items]
Liability for Future Policy Benefit by Product Segment, Interest Rate, Year of Issue	6.75%