XML 64 R108.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Quarterly Financial Information (Unaudited) (Comparability of Net Income, Impact of Fair Value Accounting to Fixed Index Annuity Business) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018
Quarterly Financial Information Disclosure [Abstract] |  |  |  |  |  |  |  |
Fixed index annuity derivatives, fair value accounting impact on comparability of net income | $ (100,305) | $ 196,396 | $ 78,397 | $ 118,491 | $ 28,298 | $ 427 | $ (23,593) | $ (61,794)

X
- References No definition available. + Details
Name: | us-gaap_QuarterlyFinancialInformationDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of the item included in the interim period that affected period-to-period comparability (excluding restatement adjustments). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118952077&loc=d3e1570-108306 + Details
Name: | us-gaap_QuarterlyFinancialInformationQuarterlyChargesAndCreditsAmountAffectingComparability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration