XML 58 R47.htm IDEA: XBRL DOCUMENT
v3.7.0.1

FAIR VALUE MEASUREMENTS (Details 3) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Total Liabilities [Member] |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Opening Balance (Liabilities) | $ 16,621 | $ 15,028 | $ 6,500 | $ 10,937
Transfers into Level 3 (Liabilities) | 0 | 0 | 0 | 0
Transfers out of Level 3 (Liabilities) | 0 | 0 | 0 | 0
Included in earnings (Liabilities) | 1,596 | (809) | 10,282 | 2,614
Included in OCI (Liabilities) | 0 | 0 | 0 | 0
Purchases (Liabilities) | 12,135 | 1,830 | 12,135 | 805
Sales (Liabilities) | 0 | 0 | 0 | 0
Settlements/ Distributions (Liabilities) | (18,143) | (14,071) | (16,708) | (12,378)
Closing Balance (Liabilities) | 12,209 | 1,978 | 12,209 | 1,978
Change in unrealized investment gain/loss relating to assets held at the reporting date (Liabilities) | 863 | 110 | 2,314 | 111
Total Assets [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Opening Balance (Assets) | 198,594 | 178,777 | 226,797 | 106,017
Transfers into Level 3 (Assets) | 1,536 | 20,412 | 1,536 | 56,790
Transfers out of Level 3 (Assets) | (11,322) | 0 | (30,270) | (1,955)
Included in earnings (Assets) | 1,993 | 7,648 | 4,074 | 9,573
Included in OCI (Assets) | (317) | 1,222 | 1,117 | 1,002
Purchases (Assets) | 19,217 | 10,362 | 34,581 | 54,254
Sales (Assets) | (3,481) | (2,105) | (19,201) | (4,015)
Settlements/ Distributions (Assets) | (16,840) | (11,416) | (29,254) | (16,766)
Closing Balance (Assets) | 189,380 | 204,900 | 189,380 | 204,900
Change in unrealized investment gain/loss relating to assets held at the reporting date (Assets) | 2,080 | 8,992 | 3,348 | 7,967
Fixed Maturities [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Opening Balance (Assets) | 73,601 | 50,801 | 96,400 | 49,440
Transfers into Level 3 (Assets) | 1,536 | 20,412 | 1,536 | 20,412
Transfers out of Level 3 (Assets) | (11,322) | 0 | (30,270) | (1,955)
Included in earnings (Assets) | 15 | (981) | 73 | (979)
Included in OCI (Assets) | (317) | 1,222 | 1,117 | 1,002
Purchases (Assets) | 19,217 | 3,723 | 34,581 | 9,544
Sales (Assets) | (3,481) | (2,105) | (19,201) | (4,015)
Settlements/ Distributions (Assets) | (4,930) | (840) | (9,917) | (1,217)
Closing Balance (Assets) | 74,319 | 72,232 | 74,319 | 72,232
Change in unrealized investment gain/loss relating to assets held at the reporting date (Assets) | 0 | 0 | 0 | 0
Other Investments [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Opening Balance (Assets) | 96,770 | 97,083 | 102,842 | 27,257
Transfers into Level 3 (Assets) | 0 | 0 | 0 | 36,378
Transfers out of Level 3 (Assets) | 0 | 0 | 0 | 0
Included in earnings (Assets) | 2,059 | 8,878 | 3,324 | 7,862
Included in OCI (Assets) | 0 | 0 | 0 | 0
Purchases (Assets) | 0 | 6,193 | 0 | 42,905
Sales (Assets) | 0 | 0 | 0 | 0
Settlements/ Distributions (Assets) | (8,815) | (4,516) | (16,152) | (6,764)
Closing Balance (Assets) | 90,014 | 107,638 | 90,014 | 107,638
Change in unrealized investment gain/loss relating to assets held at the reporting date (Assets) | 2,059 | 8,878 | 3,324 | 7,862
Other Assets [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Opening Balance (Assets) | 28,223 | 30,893 | 27,555 | 29,320
Transfers into Level 3 (Assets) | 0 | 0 | 0 | 0
Transfers out of Level 3 (Assets) | 0 | 0 | 0 | 0
Included in earnings (Assets) | (81) | (249) | 677 | 2,690
Included in OCI (Assets) | 0 | 0 | 0 | 0
Purchases (Assets) | 0 | 446 | 0 | 1,805
Sales (Assets) | 0 | 0 | 0 | 0
Settlements/ Distributions (Assets) | (3,095) | (6,060) | (3,185) | (8,785)
Closing Balance (Assets) | 25,047 | 25,030 | 25,047 | 25,030
Change in unrealized investment gain/loss relating to assets held at the reporting date (Assets) | 21 | 114 | 24 | 105
Corporate Debt [Member] | Fixed Maturities [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Opening Balance (Assets) | 63,788 | 40,250 | 75,875 | 38,518
Transfers into Level 3 (Assets) | 1,536 | 20,412 | 1,536 | 20,412
Transfers out of Level 3 (Assets) | (1,904) | 0 | (1,904) | (1,955)
Included in earnings (Assets) | 15 | (981) | 73 | (979)
Included in OCI (Assets) | (336) | 1,164 | (383) | 1,088
Purchases (Assets) | 13,217 | 3,723 | 19,181 | 9,544
Sales (Assets) | (3,481) | (2,105) | (19,201) | (4,015)
Settlements/ Distributions (Assets) | (4,515) | (441) | (6,857) | (591)
Closing Balance (Assets) | 68,320 | 62,022 | 68,320 | 62,022
Change in unrealized investment gain/loss relating to assets held at the reporting date (Assets) | 0 | 0 | 0 | 0
CMBS [Member] | Fixed Maturities [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Opening Balance (Assets) | 9,813 | 10,551 | 3,061 | 10,922
Transfers into Level 3 (Assets) | 0 | 0 | 0 | 0
Transfers out of Level 3 (Assets) | (9,418) | 0 | (9,418) | 0
Included in earnings (Assets) | 0 | 0 | 0 | 0
Included in OCI (Assets) | 20 | 58 | 17 | (86)
Purchases (Assets) | 0 | 0 | 9,400 | 0
Sales (Assets) | 0 | 0 | 0 | 0
Settlements/ Distributions (Assets) | (415) | (399) | (3,060) | (626)
Closing Balance (Assets) | 0 | 10,210 | 0 | 10,210
Change in unrealized investment gain/loss relating to assets held at the reporting date (Assets) | 0 | 0 | 0 | 0
ABS [Member] | Fixed Maturities [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Opening Balance (Assets) | 0 | 0 | 17,464 | 0
Transfers into Level 3 (Assets) | 0 | 0 | 0 | 0
Transfers out of Level 3 (Assets) | 0 | 0 | (18,948) | 0
Included in earnings (Assets) | 0 | 0 | 0 | 0
Included in OCI (Assets) | (1) | 0 | 1,483 | 0
Purchases (Assets) | 6,000 | 0 | 6,000 | 0
Sales (Assets) | 0 | 0 | 0 | 0
Settlements/ Distributions (Assets) | 0 | 0 | 0 | 0
Closing Balance (Assets) | 5,999 | 0 | 5,999 | 0
Change in unrealized investment gain/loss relating to assets held at the reporting date (Assets) | 0 | 0 | 0 | 0
Other Privately Held Investments [Member] | Other Investments [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Opening Balance (Assets) | 42,378 | 36,712 | 42,142 | 0
Transfers into Level 3 (Assets) | 0 | 0 | 0 | 0
Transfers out of Level 3 (Assets) | 0 | 0 | 0 | 0
Included in earnings (Assets) | 560 | (1,150) | 796 | (1,150)
Included in OCI (Assets) | 0 | 0 | 0 | 0
Purchases (Assets) | 0 | 6,193 | 0 | 42,905
Sales (Assets) | 0 | 0 | 0 | 0
Settlements/ Distributions (Assets) | 0 | 0 | 0 | 0
Closing Balance (Assets) | 42,938 | 41,755 | 42,938 | 41,755
Change in unrealized investment gain/loss relating to assets held at the reporting date (Assets) | 560 | (1,150) | 796 | (1,150)
CLO-Equities [Member] | Other Investments [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Opening Balance (Assets) | 54,392 | 60,371 | 60,700 | 27,257
Transfers into Level 3 (Assets) | 0 | 0 | 0 | 36,378
Transfers out of Level 3 (Assets) | 0 | 0 | 0 | 0
Included in earnings (Assets) | 1,499 | 10,028 | 2,528 | 9,012
Included in OCI (Assets) | 0 | 0 | 0 | 0
Purchases (Assets) | 0 | 0 | 0 | 0
Sales (Assets) | 0 | 0 | 0 | 0
Settlements/ Distributions (Assets) | (8,815) | (4,516) | (16,152) | (6,764)
Closing Balance (Assets) | 47,076 | 65,883 | 47,076 | 65,883
Change in unrealized investment gain/loss relating to assets held at the reporting date (Assets) | 1,499 | 10,028 | 2,528 | 9,012
Derivative [Member] | Other Liabilities [Member] |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Opening Balance (Liabilities) | 16,621 | 15,028 | 6,500 | 10,937
Transfers into Level 3 (Liabilities) | 0 | 0 | 0 | 0
Transfers out of Level 3 (Liabilities) | 0 | 0 | 0 | 0
Included in earnings (Liabilities) | 1,596 | (809) | 10,282 | 2,614
Included in OCI (Liabilities) | 0 | 0 | 0 | 0
Purchases (Liabilities) | 12,135 | 1,830 | 12,135 | 805
Sales (Liabilities) | 0 | 0 | 0 | 0
Settlements/ Distributions (Liabilities) | (18,143) | (14,071) | (16,708) | (12,378)
Closing Balance (Liabilities) | 12,209 | 1,978 | 12,209 | 1,978
Change in unrealized investment gain/loss relating to assets held at the reporting date (Liabilities) | 863 | 110 | 2,314 | 111
Derivative [Member] | Other Assets [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Opening Balance (Assets) | 3,197 | 5,977 | 2,532 | 4,395
Transfers into Level 3 (Assets) | 0 | 0 | 0 | 0
Transfers out of Level 3 (Assets) | 0 | 0 | 0 | 0
Included in earnings (Assets) | (102) | (358) | 653 | 2,590
Included in OCI (Assets) | 0 | 0 | 0 | 0
Purchases (Assets) | 0 | 446 | 0 | 1,805
Sales (Assets) | 0 | 0 | 0 | 0
Settlements/ Distributions (Assets) | (3,095) | (6,060) | (3,185) | (8,785)
Closing Balance (Assets) | 0 | 5 | 0 | 5
Change in unrealized investment gain/loss relating to assets held at the reporting date (Assets) | 0 | 5 | 0 | 5
Insurance-linked securities [Member] | Other Assets [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Opening Balance (Assets) | 25,026 | 24,916 | 25,023 | 24,925
Transfers into Level 3 (Assets) | 0 | 0 | 0 | 0
Transfers out of Level 3 (Assets) | 0 | 0 | 0 | 0
Included in earnings (Assets) | 21 | 109 | 24 | 100
Included in OCI (Assets) | 0 | 0 | 0 | 0
Purchases (Assets) | 0 | 0 | 0 | 0
Sales (Assets) | 0 | 0 | 0 | 0
Settlements/ Distributions (Assets) | 0 | 0 | 0 | 0
Closing Balance (Assets) | 25,047 | 25,025 | 25,047 | 25,025
Change in unrealized investment gain/loss relating to assets held at the reporting date (Assets) | $ 21 | $ 109 | $ 24 | $ 100

X
- Definition Amount of unrealized (holding) gain (loss) which is included in the statement of income (or changes in net assets) related to those assets still held at the reporting date for which fair value is measured on a recurring basis using significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of unrealized (holding) gain (loss) which is included in the statement of income (or changes in net assets) related to those liabilities still held at the reporting date for which fair value is measured on a recurring basis using significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of transfers of financial instrument classified as a liability into level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of gain (loss) recognized in the income statement for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of gain (loss) recognized in other comprehensive income (loss) for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of gain (loss) recognized on the income statement for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of gain (loss) recognized in other comprehensive income (loss) for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of purchases of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of sales of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByLiabilityClassAxis=us-gaap_LiabilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_AssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_FixedMaturitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=axs_AlternativeInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_OtherAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_CommercialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=axs_OtherPrivatelyHeldInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=axs_CloEquityTranchedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_DerivativeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByLiabilityClassAxis=us-gaap_OtherLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=axs_InsuranceLinkedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |