Segment Reporting Disclosure [Text Block]: Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Revenues	$ 82,665	$ 83,752	$ 82,237	$ 71,840	$ 78,871	$ 78,542	$ 77,696	$ 75,895	$ 320,494	$ 311,004	$ 530,495
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest									28,336	32,065	43,878
Amortization of Intangible Assets									1,333	1,243	1,400
Assets, Total	1,040,623				1,134,464				1,040,623	1,134,464
Segment Reconciling Items | GainOnSaleOfSubsidiaryToJointVentureMember
Revenues									0	0	9,940
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest									0	0	9,940
Segment Reconciling Items | Net realized investment gains
Revenues									2,539	4,502	3,094
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest									2,539	4,502	3,094
Segment Reconciling Items | Net Impairment Losses Recognized In Earnings
Revenues									0	(1,475)	(228)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest									0	(1,475)	(228)
Segment Reconciling Items | Interest Expense
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest									0	(1,534)	(1,798)
Specialty Health Segment Member
Revenues									203,810	173,147	185,912
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest									13,207	7,202	6,490
Amortization of Intangible Assets									1,333	1,243	1,488
Assets, Total	223,896				172,275				223,896	172,275
Group disability, life and DBL Segment Member
Revenues									106,927	103,535	90,314
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest									18,278	17,904	15,811
Assets, Total	246,877				243,421				246,877	243,421
Individual life annuities and other Segment Member
Revenues									2,139	2,756	27,119
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest									(513)	(2,540)	(122)
Amortization of Other Deferred Charges									1,196	2,340	1,323
Assets, Total	363,693				363,119				363,693	363,119
Medical Stop-Loss Segment Member
Revenues									2,607	25,614	214,139
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest									2,839	16,733	18,828
Assets, Total	78,234				200,026				78,234	200,026
Corporate
Revenues									2,472	2,925	205
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest									(8,014)	(8,727)	$ (8,137)
Assets, Total	$ 127,923				$ 155,623				$ 127,923	$ 155,623