IndexMarketable Securities, Fixed Maturities (Deprecated 2018-01-31)
| Name | MarketableSecuritiesFixedMaturities |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
Labels
| Text | Lang | Role | Container role |
|---|---|---|---|
| Marketable Securities, Fixed Maturities (Deprecated 2018-01-31) | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Marketable Securities, Fixed Maturities, Total (Deprecated 2018-01-31) | en-US | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| For an unclassified balance sheet, this item represents investments in debt securities having predetermined or determinable maturity dates. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
Related Parent Concepts
| Name | Relation Type | Role | |
|---|---|---|---|
 | us-gaap:DeprecatedItems | parent-child | http://fasb.org/us-gaap/role/deprecated/deprecated |
| us-gaap:TradingSecuritiesDebt | dep-concept-deprecatedConcept | http://fasb.org/us-gaap/role/deprecated/deprecated |