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- Definition

Debt Instrument, Terms, Collateral Amount as Percent of Aggregate Letters of Credit Outstanding, Full Collateralization Event

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No definition available.

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- Definition

Debt Instrument, Terms, Collateral Amount as Percent of Aggregate Letters of Credit Outstanding, Option One

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- Definition

Debt Instrument, Terms, Collateral Amount as Percent of Aggregate Letters of Credit Outstanding, Option Two

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- 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.

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No definition available.

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- Definition

Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

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- Definition

The amount of cash paid for interest during the period.

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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No definition available.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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- Definition

Fair value of the amount outstanding under the credit facility.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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- Definition

For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date.

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The estimated maximum amount of possible loss from the contingency.

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- Definition

The lowest amount of net worth (total assets minus total liabilities) required by secondary market investors or state-imposed regulatory mandates.

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The carrying amount, as of the date of the latest financial statement presented, of all assets that are pledged as collateral for the payment of the related debt obligation primarily arising from secured borrowings, repurchase agreements or other current or potential obligations, where the secured party does not have the right by contract or custom to sell or re-pledge the collateral and therefore are not reclassified and separately reported in the statement of financial position.

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- Definition

Indebtedness divided by net capital.

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No definition available.

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Debt and Credit Facilities (Narrative) (Details) £ in Thousands						12 Months Ended
	Nov. 23, 2015 facility	May. 04, 2015 USD ($)	Mar. 24, 2015 USD ($)	Mar. 17, 2010 USD ($)	Nov. 02, 2005 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2015 GBP (£)	May. 15, 2015 USD ($)	Mar. 31, 2015 USD ($)
Debt Instrument [Line Items]
Margin facility amount outstanding						$ 712,126,000			£ 85,000
Interest paid						40,800,000	$ 17,200,000	$ 20,100,000
Letter of Credit
Debt Instrument [Line Items]
Letters of credit outstanding						837,400,000
DaVinciRe Holdings Ltd.
Debt Instrument [Line Items]
Loan agreement with related party		$ 100,000,000
RenaissanceRe Specialty Risks Ltd. \| Citibank Europe PLC \| Letter of Credit
Debt Instrument [Line Items]
Letters of credit outstanding						8,861,000
Syndicate 1458 \| Citibank Europe PLC \| Letter of Credit
Debt Instrument [Line Items]
Letters of credit outstanding						$ 360,000,000			£ 85,000
Number of letters of credit \| facility	2
Collateral amount, percent of aggregate outstanding letters of credit in option 1	100.00%
Collateral amount, percent of aggregate outstanding letters of credit in case of Full Collateralization Event						100.00%			100.00%
Syndicate 1458 \| Citibank Europe PLC \| Letter of Credit \| Greater than or equal to
Debt Instrument [Line Items]
Collateral amount, percent of aggregate outstanding letters of credit, option 2	60.00%
Syndicate 1458 \| Citibank Europe PLC \| Letter of Credit \| Less than
Debt Instrument [Line Items]
Collateral amount, percent of aggregate outstanding letters of credit, option 2	100.00%
Top Layer Reinsurance Ltd. \| Letter of Credit
Debt Instrument [Line Items]
Collateralized letter of credit and reimbursement agreement						$ 37,500,000
Top Layer Reinsurance Ltd. \| Letter of Credit \| Capital Support Agreement
Debt Instrument [Line Items]
Mandatory capital contribution in the event of capital and surplus reduction below a specified level						50,000,000
Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, outstanding amount						$ 0
3.700% Senior Notes Due April 1, 2025 \| RenaissanceRe Finance, Inc.
Debt Instrument [Line Items]
Debt instrument, face amount			$ 300,000,000
Senior notes interest rate			3.70%
Debt instrument maturity date			April 1, 2025
5.75% Senior Notes Due March 15, 2020 \| RenRe North America Holdings Inc
Debt Instrument [Line Items]
Debt instrument, face amount				$ 250,000,000
Senior notes interest rate				5.75%
Debt instrument maturity date				March 15, 2020
Series B 7.50% Notes Due June 1, 2017 \| Platinum Underwriters Finance, Inc
Debt Instrument [Line Items]
Debt instrument, face amount					$ 250,000,000
Senior notes interest rate					7.50%
Debt instrument maturity date					June 1, 2017
4.750% Senior Notes Due May 1, 2025 \| DaVinciRe Holdings Ltd.
Debt Instrument [Line Items]
Debt instrument, face amount		$ 150,000,000
Senior notes interest rate		4.75%
Debt instrument maturity date		May 1, 2025
Revolving Credit Facility
Debt Instrument [Line Items]
Letter of credit aggregate commitment										$ 250,000,000
Line of credit facility, maximum borrowing capacity										$ 350,000,000
Debt to capital ratio						0.35			0.35
Minimum net worth requirements						$ 2,900,000,000
Standby Letter of Credit Facility \| Wells Fargo
Debt Instrument [Line Items]
Letters of credit outstanding						163,264,000
Standby Letter of Credit Facility \| National Australia Bank Limited
Debt Instrument [Line Items]
Letters of credit outstanding						0
Bilateral Facility \| Bilateral Facility Participants \| Letter of Credit
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity											$ 300,000,000
Bilateral Facility \| Bilateral Facility Participants \| Citibank Europe PLC \| Letter of Credit
Debt Instrument [Line Items]
Letters of credit outstanding						180,001,000
Loan agreement, remaining borrowing capacity						$ 120,000,000
Bilateral Facility \| Platinum Underwriters Bermuda, Ltd. and Renaissance Reinsurance U.S. Inc. [Member] \| Letter of Credit
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity											$ 25,000,000