Supplementary Insurance Information, for Insurance Companies Disclosure: Supplementary Insurance Information For Insurance Companies Disclosure Table Text Block (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Deferred Policy Acquisition Cost	$ 0	$ 0
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Liability for Future Policy Benefit, Loss, Claim and Loss Expense	506,958,000	510,660,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Unearned Premium	7,282,000	5,557,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Revenue	338,741,000	321,248,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Net Investment Income	15,643,000	15,021,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Benefit, Claim, Loss and Settlement Expenses	174,121,000	144,206,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Amortization of Deferred Policy Acquisition Cost	0	0
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Operating Expense	174,979,000	169,028,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Written	340,458,000	320,202,000
Selling, General and Administrative Expenses
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Amortization of Deferred Policy Acquisition Cost	1,036,000	982,000
Specialty Health Segment Member
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Deferred Policy Acquisition Cost	0	0
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Liability for Future Policy Benefit, Loss, Claim and Loss Expense	42,495,000	38,154,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Unearned Premium	3,110,000	3,635,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Revenue	177,991,000	184,512,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Net Investment Income	4,330,000	4,386,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Benefit, Claim, Loss and Settlement Expenses	75,539,000	60,749,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Amortization of Deferred Policy Acquisition Cost	0	0
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Operating Expense	110,527,000	113,454,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Written	177,438,000	184,513,000
Group disability, life, DBL and PFL
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Deferred Policy Acquisition Cost	0	0
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Liability for Future Policy Benefit, Loss, Claim and Loss Expense	146,080,000	148,012,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Unearned Premium	4,000,000	1,737,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Revenue	160,702,000	136,709,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Net Investment Income	7,774,000	7,029,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Benefit, Claim, Loss and Settlement Expenses	97,335,000	82,948,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Amortization of Deferred Policy Acquisition Cost	0	0
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Operating Expense	49,894,000	42,818,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Written	162,972,000	135,662,000
Individual life annuities and other Segment Member
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Deferred Policy Acquisition Cost	0	0
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Liability for Future Policy Benefit, Loss, Claim and Loss Expense	318,236,000	324,063,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Unearned Premium	172,000	185,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Revenue	48,000	27,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Net Investment Income	1,294,000	1,535,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Benefit, Claim, Loss and Settlement Expenses	1,382	796,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Amortization of Deferred Policy Acquisition Cost	0	0
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Operating Expense	1,720,000	1,572,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Written	48,000	27,000
Medical Stop-Loss Segment Member
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Deferred Policy Acquisition Cost	0	0
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Liability for Future Policy Benefit, Loss, Claim and Loss Expense	147,000	431,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Unearned Premium	0	0
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Revenue	0	0
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Net Investment Income	6,000	39,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Benefit, Claim, Loss and Settlement Expenses	(135,000)	(287,000)
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Amortization of Deferred Policy Acquisition Cost	0	0
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Operating Expense	(163,000)	150,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Written	0	0
Corporate
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Deferred Policy Acquisition Cost	0	0
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Liability for Future Policy Benefit, Loss, Claim and Loss Expense	0	0
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Unearned Premium	0	0
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Revenue	0	0
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Net Investment Income	2,239,000	2,032,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Benefit, Claim, Loss and Settlement Expenses	0	0
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Amortization of Deferred Policy Acquisition Cost	0	0
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Operating Expense	13,001,000	11,034,000
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Premium Written	$ 0	$ 0