XML 120 R121.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Statutory Requirements (Statutory Net Income (Loss)) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Bermuda |  |  |
Statutory Accounting Practices [Line Items] |  |  |
Statutory Net Income (Loss) | $ 657,182 | $ 326,386 | $ (334,142)
Switzerland |  |  |
Statutory Accounting Practices [Line Items] |  |  |
Statutory Net Income (Loss) | (14,679) | 0 | 0
U.S. |  |  |
Statutory Accounting Practices [Line Items] |  |  |
Statutory Net Income (Loss) | 37,827 | 25,851 | (3,627)
U.K. |  |  |
Statutory Accounting Practices [Line Items] |  |  |
Statutory Net Income (Loss) | $ (666,595) | $ (6,692) | $ (57,050)

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_StatutoryAccountingPracticesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of net income for the period determined using accounting principles prescribed or permitted by insurance regulators. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(23)(c)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
Name: | us-gaap_StatutoryAccountingPracticesStatutoryNetIncomeAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_StatutoryAccountingPracticesByJurisdictionAxis=country_BM
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatutoryAccountingPracticesByJurisdictionAxis=country_CH
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatutoryAccountingPracticesByJurisdictionAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatutoryAccountingPracticesByJurisdictionAxis=country_GB
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |