Income Taxes Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Deferred income tax assets:
Accrued benefits and retirement services	$ 3,049	$ 2,758
Other-than-temporary impairment of assets	178	198
Allowance for doubtful accounts	91	82
Net operating loss carryforward	77	28
Reinsurance and commission payable	36	13
Postretirement benefit obligation	9	8
Other	1,329	359
Total deferred income tax assets	4,769	3,446
Deferred income tax liabilities:
Net unrealized gain on investments	6,691	3,924
Intangible assets	1,168	1,250
Recorded reserve for claims, net of statutory premium reserves	1,096	599
Excess of tax over book depreciation	947	1,104
Other	1,905	753
Total deferred income tax liabilities	11,807	7,630
Net deferred income tax liabilities	$ (7,038)	$ (4,184)