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Debt and Credit Facilities (Summary of Debt Obligations) (Details) - USD ($) $ in Thousands | May. 04, 2015 | Mar. 24, 2015 | Mar. 17, 2010 | Nov. 02, 2005 | Jun. 30, 2015 | Dec. 31, 2014
--- | --- | --- | --- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |  |  |
Debt, fair value |  |  |  |  | $ 984,776 | $ 279,000
Debt |  |  |  |  | 972,362 | 249,522
RenaissanceRe Finance, Inc. | 3.700% Senior Notes Due April 1, 2025 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument maturity date |  | April 1, 2025 |  |  |  |
Debt, fair value |  |  |  |  | 290,025 | 0
Debt |  |  |  |  | 299,415 | 0
RenRe North America Holdings Inc. | 5.75% Senior Notes Due March 15, 2020 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument maturity date |  |  | March 15, 2020 |  |  |
Debt, fair value |  |  |  |  | 275,000 | 279,000
Debt |  |  |  |  | 249,578 | 249,522
Platinum Underwriters Finance, Inc. | Series B 7.50% Notes Due June 1, 2017 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument maturity date |  |  |  | June 1, 2017 |  |
Debt, fair value |  |  |  |  | 274,063 | 0
Debt |  |  |  |  | 274,618 | 0
DaVinciRe Holdings Ltd. | 4.750% Senior Notes Due May 1, 2025 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument maturity date | May 1, 2025 |  |  |  |  |
Debt, fair value |  |  |  |  | 145,688 | 0
Debt |  |  |  |  | $ 148,751 | $ 0

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- Definition Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 + Details
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