Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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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

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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-Publisher SEC

-Name Regulation S-X (SX)

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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

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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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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- Definition

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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Indebtedness divided by net capital.

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No definition available.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Debt and Credit Facilities (Narrative) (Details)											0 Months Ended		0 Months Ended											0 Months Ended
Debt and Credit Facilities (Narrative) (Details)	Mar. 31, 2015 USD ($)	Mar. 31, 2015 GBP (£)	Mar. 02, 2015 Bridge Loan USD ($)	Mar. 31, 2015 Syndicate 1458 Citibank Europe PLC Letter of Credit USD ($)	Mar. 31, 2015 Syndicate 1458 Citibank Europe PLC Letter of Credit GBP (£)	Mar. 31, 2015 RenaissanceRe Specialty Risks Citibank Europe PLC Letter of Credit USD ($)	Mar. 31, 2015 Top Layer Re Letter of Credit USD ($)	Mar. 31, 2015 Top Layer Re Capital Support Agreement Letter of Credit USD ($)	Mar. 31, 2015 DaVinciRe USD ($)	Apr. 01, 2011 DaVinciRe USD ($)	Mar. 17, 2010 5.75% Senior Notes Due March 15, 2020 RenRe North America Holdings Inc. USD ($)	Mar. 03, 2015 Series B 7.50% Notes Due June 1, 2017 RenRe North America Holdings Inc. USD ($)	Mar. 24, 2015 3.700% Senior Notes Due April 1, 2025 RenaissanceRe Finance Inc	Mar. 24, 2015 3.700% Senior Notes Due April 1, 2025 RenaissanceRe Finance Inc USD ($)	Mar. 31, 2015 Revolving Credit Facility USD ($)	May 23, 2013 Revolving Credit Facility USD ($)	May 17, 2012 Revolving Credit Facility USD ($)	Mar. 31, 2015 Revolving Credit Facility Renaissance Reinsurance USD ($)	Mar. 31, 2015 Standby Letter of Credit Facility USD ($)	Mar. 31, 2015 Bilateral Facility Renaissance Reinsurance, DaVinci, RenaissanceRe Specialty Risks, ROE and RenaissanceRe Specialty U.S. Letter of Credit USD ($)	Oct. 01, 2013 Bilateral Facility Renaissance Reinsurance, DaVinci, RenaissanceRe Specialty Risks, ROE and RenaissanceRe Specialty U.S. Letter of Credit USD ($)	Oct. 01, 2013 Bilateral Facility RenaissanceRe Specialty Risks Letter of Credit USD ($)	Mar. 31, 2015 Bilateral Facility Platinum Bermuda and Renaissance Reinsurance U.S. Letter of Credit USD ($)	Apr. 01, 2011 LIBOR DaVinciRe	Mar. 31, 2015 Letter of Credit Platinum Wells Fargo USD ($)	Mar. 02, 2015 Letter of Credit Platinum Wells Fargo USD ($)	Mar. 31, 2015 Letter of Credit Platinum National Australia Bank Limited and ING Bank, N.V. USD ($)	Mar. 02, 2015 Letter of Credit Platinum National Australia Bank Limited and ING Bank, N.V. USD ($)
Debt Instrument [Line Items]
Debt Instrument, face amount											$ 250,000,000	$ 250,000,000		$ 300,000,000
Senior notes interest rate											5.75%	7.50%		3.70%
Short-term debt			300,000,000
Debt instrument maturity date											March 15, 2020		April 1, 2025
Letter of credit aggregate commitment																250,000,000	150,000,000
Line of credit faciltiy, maximum borrowing capacity																350,000,000					300,000,000	50,000,000	25,000,000			100,000,000		125,000,000
Debt to capital ratio										0.40					0.35
Minimum net worth requirements										500,000,000					2,300,000,000			1,100,000,000
Letters of credit outstanding						8,609,000													73,584,000	139,463,000					88,833,000		6,931,000
Loan agreement, remaining borrowing capacity																				160,500,000					11,200,000		118,100,000
Margin facility amount outstanding	617,420,000us-gaap_LineOfCredit	70,000,000us-gaap_LineOfCredit		300,000,000	70,000,000
Collateralized letter of credit and reimbursement agreement							37,500,000
Mandatory capital contribution in the event of capital and surplus reduction below a specified level								50,000,000
Loan agreement with related party									$ 100,000,000	$ 200,000,000
Basis spread on variable rate																								3.50%