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Derivatives - Fair Value of Derivatives in Consolidated Balance Sheets (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Assets |  |
Derivatives, reported in Short-term and other investments | $ 16,805 | $ 13,239
Derivatives, reported in Short-term and other investments |  |
Assets |  |
Derivatives, reported in Short-term and other investments | 16,805 | 13,239
FIA - embedded derivatives, reported in Other policyholder funds |  |
Liabilities |  |
FIA - embedded derivatives, reported in Other policyholder funds | 104,488 | 93,733
IUL - embedded derivatives, reported in Investment contract and policy reserves |  |
Liabilities |  |
IUL - embedded derivatives, reported in Investment contract and policy reserves | $ 2,474 | $ 1,314

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