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Investments, Summary of Realized Investment Gains (Losses) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Summary of realized investment gains (losses) [Abstract] |  |  |  |
Gains | $ 50 |  | $ 171 | $ 249
Losses | 0 |  | 0 | 0
Realized investment gains, net | 50 | $ 0 | 171 | 249
Fixed Maturities [Member] |  |  |  |
Summary of realized investment gains (losses) [Abstract] |  |  |  |
Gains | 50 |  | 171 | 249
Losses | 0 |  | 0 | 0
Realized investment gains, net | 50 |  | 171 | 249
Equity Securities [Member] |  |  |  |
Summary of realized investment gains (losses) [Abstract] |  |  |  |
Gains | 0 |  | 0 | 0
Losses | 0 |  | 0 | 0
Realized investment gains, net | 0 |  | 0 | 0
Other Invested Assets [Member] |  |  |  |
Summary of realized investment gains (losses) [Abstract] |  |  |  |
Gains | 0 |  | 0 | 0
Losses | 0 |  | 0 | 0
Realized investment gains, net | $ 0 |  | $ 0 | $ 0

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- Definition Losses realized on investments. + References No definition available. + Details
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- Definition Amount of realized gain (loss) on investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.3(a)) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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