v2.4.0.6

Segment Reporting (Schedule Of Significant Components Of The Company's Revenues And Expenses) (Details) (USD $) | 3 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
Segment Reporting Information [Line Items] |  |  |
Gross premiums written | $ 635,418,000 | $ 664,151,000 |
Net premiums written | 436,813,000 | 492,575,000 |
Net premiums earned | 271,255,000 | 278,665,000 |
Net claims and claim expenses incurred | 27,251,000 | 15,552,000 |
Acquisition expenses | 25,009,000 | 24,111,000 |
Operational expenses | 46,014,000 | 42,383,000 |
Underwriting income | 172,981,000 | 196,619,000 |
Net investment income | 43,615,000 | 66,971,000 |
Net foreign exchange gains (losses) | 1,756,000 | (1,460,000) |
Equity in earnings of other ventures | 5,835,000 | 5,470,000 |
Other income (loss) | 7,004,000 | (39,094,000) |
Net realized and unrealized gains on investments | 13,850,000 | 46,113,000 |
Net other-than-temporary impairments | 0 | (134,000) |
Corporate expenses | (4,529,000) | (4,811,000) |
Interest expense | (5,034,000) | (5,718,000) |
Income from continuing operations before taxes | 235,478,000 | 263,956,000 |
Income tax (expense) benefit | (122,000) | 37,000 |
Loss from discontinued operations | 0 | (173,000) |
Net income attributable to noncontrolling interests | (38,607,000) | (53,641,000) |
Dividends on preference shares | (6,275,000) | (8,750,000) |
Net income available to RenaissanceRe common shareholders | 190,474,000 | 201,429,000 |
Net claims and claim expenses incurred - current accident year | 64,900,000 | 71,424,000 |
Net claims and claim expenses incurred – prior accident years | (37,649,000) | (55,872,000) |
Net claims and claim expenses incurred | 27,251,000 | 15,552,000 |
Net claims and claim expense ratio - current accident year | 23.90% | 25.60% |
Net claims and claim expense ratio - prior accident years | (13.90%) | (20.00%) |
Net claims and claim expense ratio - calendar year | 10.00% | 5.60% |
Underwriting expense ratio | 26.20% | 23.80% |
Combined ratio | 36.20% | 29.40% |
Reinsurance [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Gross premiums written | 561,126,000 | 609,762,000 |
Net premiums written | 380,872,000 | 458,638,000 |
Net premiums earned | 233,460,000 | 253,818,000 |
Net claims and claim expenses incurred | 13,400,000 | 8,324,000 |
Acquisition expenses | 18,059,000 | 19,386,000 |
Operational expenses | 33,675,000 | 32,044,000 |
Underwriting income | 168,326,000 | 194,064,000 |
Net claims and claim expenses incurred - current accident year | 47,029,000 | 55,144,000 |
Net claims and claim expenses incurred – prior accident years | (33,629,000) | (46,820,000) |
Net claims and claim expenses incurred | 13,400,000 | 8,324,000 |
Net claims and claim expense ratio - current accident year | 20.10% | 21.70% |
Net claims and claim expense ratio - prior accident years | (14.40%) | (18.40%) |
Net claims and claim expense ratio - calendar year | 5.70% | 3.30% |
Underwriting expense ratio | 22.20% | 20.20% |
Combined ratio | 27.90% | 23.50% |
Lloyd's [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Gross premiums written | 74,292,000 | 54,817,000 |
Net premiums written | 55,924,000 | 33,937,000 |
Net premiums earned | 37,779,000 | 24,822,000 |
Net claims and claim expenses incurred | 14,528,000 | 9,001,000 |
Acquisition expenses | 6,916,000 | 4,668,000 |
Operational expenses | 12,178,000 | 10,057,000 |
Underwriting income | 4,157,000 | 1,096,000 |
Net claims and claim expenses incurred - current accident year | 17,871,000 | 16,280,000 |
Net claims and claim expenses incurred – prior accident years | (3,343,000) | (7,279,000) |
Net claims and claim expenses incurred | 14,528,000 | 9,001,000 |
Net claims and claim expense ratio - current accident year | 47.30% | 65.60% |
Net claims and claim expense ratio - prior accident years | (8.80%) | (29.30%) |
Net claims and claim expense ratio - calendar year | 38.50% | 36.30% |
Underwriting expense ratio | 50.50% | 59.30% |
Combined ratio | 89.00% | 95.60% |
Other [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Gross premiums written | 0 | 0 |
Net premiums written | 17,000 | 0 |
Net premiums earned | 16,000 | 25,000 |
Net claims and claim expenses incurred | (677,000) | (1,773,000) |
Acquisition expenses | 34,000 | 57,000 |
Operational expenses | 161,000 | 282,000 |
Underwriting income | 498,000 | 1,459,000 |
Net investment income | 43,615,000 | 66,971,000 |
Net foreign exchange gains (losses) | 1,756,000 | (1,460,000) |
Equity in earnings of other ventures | 5,835,000 | 5,470,000 |
Other income (loss) | 7,004,000 | (39,094,000) |
Net realized and unrealized gains on investments | 13,850,000 | 46,113,000 |
Net other-than-temporary impairments |  | (134,000) |
Corporate expenses | (4,529,000) | (4,811,000) |
Interest expense | (5,034,000) | (5,718,000) |
Income tax (expense) benefit | (122,000) | 37,000 |
Loss from discontinued operations |  | (173,000) |
Net income attributable to noncontrolling interests | (38,607,000) | (53,641,000) |
Dividends on preference shares | (6,275,000) | (8,750,000) |
Net claims and claim expenses incurred - current accident year | 0 | 0 |
Net claims and claim expenses incurred – prior accident years | (677,000) | (1,773,000) |
Net claims and claim expenses incurred | (677,000) | (1,773,000) |
Net claims and claim expense ratio - current accident year | 0.00% | 0.00% |
Net claims and claim expense ratio - prior accident years | (4231.30%) | (7092.00%) |
Net claims and claim expense ratio - calendar year | (4231.30%) | (7092.00%) |
Underwriting expense ratio | 1218.80% | 1356.00% |
Combined ratio | (3012.50%) | (5736.00%) |
Eliminations [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Gross premiums written |  | (428,000) | [1]
Intersegment Elimination, Reinsurance Segment To Lloyds Segment Member |  |  |
Segment Reporting Information [Line Items] |  |  |
Gross premiums ceded from segment to segment |  | $ 400,000 |
[1] | Represents $0.4 million of gross premiums ceded from the Reinsurance segment to the Lloyd’s segment.

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