XML 73 R58.htm IDEA: XBRL DOCUMENT v3.6.0.2

Acquisition of Platinum Purchase Price (Details) - USD ($) $ / shares in Units, $ in Thousands							3 Months Ended
	Dec. 30, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Mar. 15, 2016	Mar. 02, 2015	Mar. 01, 2015
Common Shares
Business Acquisition [Line Items]
Dividends per common share, in usd per share	$ 0.31	$ 0.31	$ 0.31	$ 0.31	$ 0.31
Share price, in usd per share						$ 102.47
Platinum Underwriters Holdings, Ltd.
Business Acquisition [Line Items]
Agreed cash price paid to common shareholders of Platinum and Platinum Awards, in usd per share						$ 76
Cash consideration paid by RenaissanceRe to common shareholders of Platinum and holders of Platinum equity awards						$ 1,160,000
Aggregate consideration transferred						1,932,405
Total net purchase price paid by RenaissanceRe						$ 1,679,202
Platinum Underwriters Holdings, Ltd. | Common Shares
Business Acquisition [Line Items]
Number of Platinum common shares and Platinum equity awards canceled in the acquisition of Platinum, in shares						25,320,312
Shares issued						7,434,561
Shares issued, value						$ 761,819
Fair value of Platinum common shares owned by RenaissanceRe and canceled in connection with the acquisition of Platinum						$ 12,950
Platinum common shares owned by RenaissanceRe and canceled in connection with the acquisition of Platinum, in shares						(169,220)
Number of Platinum common shares and Platinum equity awards canceled in the acquisition of Platinum excluding those owned by RenaissanceRe and canceled in connection with the acquisition of Platinum, in shares						25,151,092
Agreed cash price paid to common shareholders of Platinum and Platinum Awards, in usd per share						$ 35.96
Cash consideration paid by RenaissanceRe to common shareholders of Platinum and holders of Platinum equity awards						$ 904,433
Platinum Underwriters Holdings, Ltd.
Business Acquisition [Line Items]
Number of Platinum common shares and Platinum equity awards canceled in the acquisition of Platinum, in shares							25,320,312
Dividends per common share, in usd per share							$ 10
Dividends paid, value						$ (253,203)	$ (253,203)

X

- Definition

Business Combination, Common Shares and Equity Awards Canceled, Net of Equity Interest in Acquiree Held Prior to Combination, Shares

+ References

No definition available.

+ Details

Name:	rnr_BusinessCombinationCommonSharesandEquityAwardsCanceledNetofEquityInterestinAcquireeHeldPriortoCombinationShares
Namespace Prefix:	rnr_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Business Combination, Common Shares and Equity Awards Canceled, Shares

+ References

No definition available.

+ Details

Name:	rnr_BusinessCombinationCommonSharesandEquityAwardsCanceledShares
Namespace Prefix:	rnr_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Business Combination, Consideration Transferred, Net of Special Dividend

+ References

No definition available.

+ Details

Name:	rnr_BusinessCombinationConsiderationTransferredNetofSpecialDividend
Namespace Prefix:	rnr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Business Combination, Equity Interest in Acquiree, Fair Value

+ References

No definition available.

+ Details

Name:	rnr_BusinessCombinationEquityInterestinAcquireeFairValue
Namespace Prefix:	rnr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Business Combination, Equity Interest in Acquiree, Shares

+ References

No definition available.

+ Details

Name:	rnr_BusinessCombinationEquityInterestinAcquireeShares
Namespace Prefix:	rnr_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of shares of equity interests issued or issuable to acquire entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(4)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

+ Details

Name:	us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

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_BusinessAcquisitionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

+ References

No definition available.

+ Details

Name:	us-gaap_BusinessAcquisitionSharePrice
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477

+ Details

Name:	us-gaap_BusinessCombinationConsiderationTransferred1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477

+ Details

Name:	us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

+ Details

Name:	us-gaap_CommonStockDividendsPerShareCashPaid
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585

+ Details

Name:	us-gaap_PaymentsOfDividends
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

Name:	us-gaap_SharePrice
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=rnr_PlatinumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=rnr_PlatinumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: