Segment Information (Details) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016 USD ($)	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments									3
Premiums									$ 197,876	$ 194,480	$ 188,532
Net investment income									48,560	45,782	41,062
Realized investment gains (losses), net									(1,985)	(5,459)	(19)
Other income									955	1,465	650
Total revenue	$ 67,903	$ 61,741	$ 61,237	$ 54,525	$ 62,205	$ 58,124	$ 60,079	$ 55,860	245,406	236,268	230,225
Claims and surrenders									81,367	78,879	68,269
Increase in future policy benefit reserves									75,881	77,060	81,998
Policyholders' dividends									6,832	10,747	10,102
Total insurance benefits paid or provided									164,080	166,686	160,369
Commissions									44,641	43,625	44,021
Other general expenses									33,356	33,287	36,591
Deferred Policy Acquisition Costs, Capitalized Amount									(32,732)	(31,104)	(32,071)
Amortization of deferred policy acquisition costs									28,515	23,400	21,083
Amortization of cost of customer relationships acquired									2,063	2,317	2,182
Total benefits and expenses	68,277	$ 57,134	$ 58,678	$ 55,834	64,193	$ 58,039	$ 60,693	$ 55,286	239,923	238,211	232,175
Income (loss) before income tax expense									5,483	(1,943)	(1,950)
Total assets	1,583,668				1,480,751				1,583,668	1,480,751
Ordinary life									191,226	187,479	181,596
Group Life									28	207	261
Accident and health									1,546	1,599	1,557
Property									5,076	5,195	5,118
Reinsurance Costs and Recoveries, Net									(3,198)	(2,857)	(2,906)
All Countries [Domain]
Segment Reporting Information [Line Items]
Premiums									197,876	194,480	188,532
United States
Segment Reporting Information [Line Items]
Premiums									54,430	54,753	54,464
Venezuela
Segment Reporting Information [Line Items]
Premiums									31,107	31,948	31,175
Colombia
Segment Reporting Information [Line Items]
Premiums									29,643	27,589	27,472
Taiwan
Segment Reporting Information [Line Items]
Premiums									18,590	18,031	16,686
Ecuador
Segment Reporting Information [Line Items]
Premiums									15,456	15,527	15,364
Brazil
Segment Reporting Information [Line Items]
Premiums									9,856	8,960	8,517
Other foreign countries
Segment Reporting Information [Line Items]
Premiums									41,992	40,529	37,760
Life Insurance Segment [Member]
Segment Reporting Information [Line Items]
Premiums									151,195	147,832	142,358
Net investment income									33,350	30,206	26,454
Realized investment gains (losses), net									(1,685)	(3,873)	(182)
Other income									882	1,008	504
Total revenue									183,742	175,173	169,134
Claims and surrenders									58,440	55,912	46,021
Increase in future policy benefit reserves									71,373	73,259	76,858
Policyholders' dividends									6,774	10,695	10,045
Total insurance benefits paid or provided									136,587	139,866	132,924
Commissions									29,235	28,336	28,863
Other general expenses									14,284	16,345	19,274
Deferred Policy Acquisition Costs, Capitalized Amount									(26,742)	(25,268)	(26,242)
Amortization of deferred policy acquisition costs									24,428	20,025	17,778
Amortization of cost of customer relationships acquired									559	641	614
Total benefits and expenses									178,351	179,945	173,211
Income (loss) before income tax expense									5,391	(4,772)	(4,077)
Total assets	1,130,288				1,011,487				1,130,288	1,011,487
Home Service Insurance Segment [Member]
Segment Reporting Information [Line Items]
Premiums									46,681	46,648	46,174
Net investment income									13,705	14,063	13,234
Realized investment gains (losses), net									(300)	(1,586)	116
Other income									5	86	29
Total revenue									60,091	59,211	59,553
Claims and surrenders									22,927	22,967	22,248
Increase in future policy benefit reserves									4,508	3,801	5,140
Policyholders' dividends									58	52	57
Total insurance benefits paid or provided									27,493	26,820	27,445
Commissions									15,406	15,289	15,158
Other general expenses									15,252	13,349	15,036
Deferred Policy Acquisition Costs, Capitalized Amount									(5,990)	(5,836)	(5,829)
Amortization of deferred policy acquisition costs									4,087	3,375	3,305
Amortization of cost of customer relationships acquired									1,504	1,676	1,568
Total benefits and expenses									57,752	54,673	56,683
Income (loss) before income tax expense									2,339	4,538	2,870
Total assets	374,986				389,478				374,986	389,478
Other Non-Insurance Enterprise Segment [Member]
Segment Reporting Information [Line Items]
Premiums									0	0	0
Net investment income									1,505	1,513	1,374
Realized investment gains (losses), net									0	0	47
Other income									68	371	117
Total revenue									1,573	1,884	1,538
Claims and surrenders									0	0	0
Increase in future policy benefit reserves									0	0	0
Policyholders' dividends									0	0	0
Total insurance benefits paid or provided									0	0	0
Commissions									0	0	0
Other general expenses									3,820	3,593	2,281
Deferred Policy Acquisition Costs, Capitalized Amount									0	0	0
Amortization of deferred policy acquisition costs									0	0	0
Amortization of cost of customer relationships acquired									0	0	0
Total benefits and expenses									3,820	3,593	2,281
Income (loss) before income tax expense									(2,247)	(1,709)	$ (743)
Total assets	$ 78,394				$ 79,786				$ 78,394	$ 79,786