XML 80 R65.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Goodwill and Other Intangible Assets (Schedule of Finite-Lived Intangible Assets by Major Class) (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Schedule of Finite and Indefinite-lived Intangible Assets [Line Items] |  |
Gross carrying value | $ 148,395 | $ 148,395
Accumulated amortization and impairment losses | (82,937) | (65,495)
Other intangible assets, Net | 65,458 | 82,900
Licenses |  |
Schedule of Finite and Indefinite-lived Intangible Assets [Line Items] |  |
Gross carrying value | 10,267 | 10,267
Accumulated amortization and impairment losses | 0 | 0
Other intangible assets, Net | 10,267 | 10,267
Customer relationships and customer lists |  |
Schedule of Finite and Indefinite-lived Intangible Assets [Line Items] |  |
Gross carrying value | 95,458 | 95,458
Accumulated amortization and impairment losses | (42,142) | (33,294)
Other intangible assets, Net | 53,316 | 62,164
Value of business acquired |  |
Schedule of Finite and Indefinite-lived Intangible Assets [Line Items] |  |
Gross carrying value | 20,200 | 20,200
Accumulated amortization and impairment losses | (19,527) | (13,467)
Other intangible assets, Net | 673 | 6,733
Software |  |
Schedule of Finite and Indefinite-lived Intangible Assets [Line Items] |  |
Gross carrying value | 12,230 | 12,230
Accumulated amortization and impairment losses | (11,938) | (10,188)
Other intangible assets, Net | 292 | 2,042
Patents and intellectual property |  |
Schedule of Finite and Indefinite-lived Intangible Assets [Line Items] |  |
Gross carrying value | 4,500 | 4,500
Accumulated amortization and impairment losses | (4,500) | (4,500)
Other intangible assets, Net | 0 | 0
Covenants not-to-compete |  |
Schedule of Finite and Indefinite-lived Intangible Assets [Line Items] |  |
Gross carrying value | 4,030 | 4,030
Accumulated amortization and impairment losses | (3,523) | (2,763)
Other intangible assets, Net | 507 | 1,267
Trademarks and trade names |  |
Schedule of Finite and Indefinite-lived Intangible Assets [Line Items] |  |
Gross carrying value | 1,710 | 1,710
Accumulated amortization and impairment losses | (1,307) | (1,283)
Other intangible assets, Net | $ 403 | $ 427

X
- Definition Intangible Assets (Excluding Goodwill), Accumulated Amortization and Impairment + References No definition available. + Details
Name: | rnr_IntangibleAssetsExcludingGoodwillAccumulatedAmortizationAndImpairment
Namespace Prefix: | rnr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Schedule of Finite and Indefinite-lived Intangible Assets [Line Items] + References No definition available. + Details
Name: | rnr_ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsLineItems
Namespace Prefix: | rnr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before accumulated amortization of intangible assets, excluding goodwill. + References No definition available. + Details
Name: | us-gaap_IntangibleAssetsGrossExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_IntangibleAssetsNetExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_LicensingAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_IntangibleAssetsArisingFromInsuranceContractsAcquiredInBusinessCombinationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_ComputerSoftwareIntangibleAssetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_DevelopedTechnologyRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_NoncompeteAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TrademarksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |