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Reinsurance and Policy Provisions (EquiTrust Coinsurance Agreements) (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 USD ($) agreement | Dec. 31, 2021 USD ($)
Ceded Credit Risk [Line Items] |  |
Coinsurance deposits (net of allowance for credit losses of $8,737 as of 2022 and $2,264 as of 2021) | $ 13,254,956 | $ 8,988,891
EquiTrust Coinsurance Agreements, All Periods |  |
Ceded Credit Risk [Line Items] |  |
Number of coinsurance agreements | agreement | 2 |
Coinsurance deposits (net of allowance for credit losses of $8,737 as of 2022 and $2,264 as of 2021) | $ 323,700 | 381,400
Reinsurance Recoverables, Gross | $ (800) |
Reinsurance payable |  | $ 7,800
EquiTrust Coinsurance Agreement, August 1, 2001 to December 31, 2001 |  |
Ceded Credit Risk [Line Items] |  |
Coinsurance on certain annuities, percentage | 70.00% |
EquiTrust Coinsurance Agreement, January 1, 2002 to December 31, 2003 |  |
Ceded Credit Risk [Line Items] |  |
Coinsurance on certain annuities, percentage | 40.00% |
EquiTrust Coinsurance Agreement, January 1, 2004 to July 31, 2004 |  |
Ceded Credit Risk [Line Items] |  |
Coinsurance on certain annuities, percentage | 20.00% |

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- Definition The carrying amount as of the balance sheet date of the known and estimated amounts owed to insurers under reinsurance treaties or other arrangements. + References No definition available. + Details
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- Definition Amount, after valuation allowance, recoverable under reinsurance contracts including premium paid under reinsurance contracts. Examples include, but are not limited to, settled and unsettled claims, incurred but not reported losses, loss adjustment expense, premium paid, policy benefits and policy reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(6)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=99397103&loc=d3e6824-158387 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 310 -Section 45 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=99404803&loc=d3e21409-158489 + Details
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- Definition Amount before valuation allowance recoverable under reinsurance contracts. Examples include, but are not limited to, settled and unsettled claims, incurred but not reported losses, loss adjustment expense, premium paid, policy benefits and policy reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 14 -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919253-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953401-111524 + Details
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