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Income Taxes Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Deferred income tax assets: |  |
Accrued benefits and retirement services | $ 3,189 | $ 3,049
Other-than-temporary impairment of assets | 167 | 178
Net operating loss carryforward | 118 | 77
Allowance for doubtful accounts | 65 | 91
Reinsurance and commission payable | 9 | 36
Postretirement benefit obligation | 39 | 9
Other | 1,129 | 1,329
Total deferred income tax assets | 4,716 | 4,769
Deferred income tax liabilities: |  |
Net unrealized gain on investments | 8,090 | 6,691
Recorded reserve for claims, net of statutory premium reserves | 1,199 | 1,096
Excess of tax over book depreciation | 1,149 | 947
Intangible assets | 1,086 | 1,168
Other | 1,784 | 1,905
Total deferred income tax liabilities | 13,308 | 11,807
Net deferred income tax liabilities | $ (8,592) | $ (7,038)

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