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v3.22.1

Segment Reporting (Schedule of Significant Components of the Company's Revenues and Expenses) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Segment Reporting Information [Line Items] |  |
Gross premiums written | $ 2,942,964 | $ 2,652,442
Net premiums written | 2,165,217 | 1,824,083
Net premiums earned | 1,486,425 | 1,153,836
Net claims and claim expenses incurred | 841,733 | 867,051
Acquisition expenses | 376,507 | 267,234
Operational expenses | 67,907 | 55,311
Underwriting income (loss) | 200,278 | (35,760)
Net investment income | 83,691 | 79,804
Net foreign exchange gains (losses) | (15,486) | (22,788)
Equity in earnings (losses) of other ventures | (6,390) | (5,558)
Other income (loss) | 1,193 | 2,171
Net realized and unrealized gains (losses) on investments | (673,017) | (345,563)
Corporate expenses | (12,502) | (10,405)
Interest expense | (11,955) | (11,912)
Income (loss) before taxes | (434,188) | (350,011)
Income tax benefit (expense) | 36,707 | 19,516
Net (income) loss attributable to redeemable noncontrolling interests | 11,912 | 46,850
Dividends on preference shares | (8,844) | (7,289)
Net income (loss) available (attributable) to RenaissanceRe common shareholders | (394,413) | (290,934)
Net claims and claim expenses incurred – current accident year | 859,566 | 876,083
Net claims and claim expenses incurred – prior accident years | (17,833) | (9,032)
Total net incurred | $ 841,733 | $ 867,051
Net claims and claim expense ratio – current accident year | 57.80% | 75.90%
Net claims and claim expense ratio – prior accident years | (1.20%) | (0.80%)
Net claims and claim expense ratio – calendar year | 56.60% | 75.10%
Underwriting expense ratio | 29.90% | 28.00%
Combined ratio | 86.50% | 103.10%
Other |  |
Segment Reporting Information [Line Items] |  |
Gross premiums written | $ 0 | $ 0
Net premiums written | 0 | 0
Net premiums earned | 0 | 0
Net claims and claim expenses incurred | 0 | 0
Acquisition expenses | 0 | 0
Operational expenses | 0 | 0
Underwriting income (loss) | 0 | 0
Net investment income | 83,691 | 79,804
Net foreign exchange gains (losses) | (15,486) | (22,788)
Equity in earnings (losses) of other ventures | (6,390) | (5,558)
Other income (loss) | 1,193 | 2,171
Net realized and unrealized gains (losses) on investments | (673,017) | (345,563)
Corporate expenses | (12,502) | (10,405)
Interest expense | (11,955) | (11,912)
Income tax benefit (expense) | 36,707 | 19,516
Net (income) loss attributable to redeemable noncontrolling interests | 11,912 | 46,850
Dividends on preference shares | (8,844) | (7,289)
Net claims and claim expenses incurred – current accident year | 0 | 0
Net claims and claim expenses incurred – prior accident years | 0 | 0
Total net incurred | 0 | 0
Property |  |
Segment Reporting Information [Line Items] |  |
Net claims and claim expenses incurred – prior accident years | (16,758) | (5,162)
Property | Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Gross premiums written | 1,343,508 | 1,616,819
Net premiums written | 890,166 | 1,008,460
Net premiums earned | 618,591 | 605,166
Net claims and claim expenses incurred | 259,761 | 498,832
Acquisition expenses | 127,096 | 112,754
Operational expenses | 46,932 | 35,375
Underwriting income (loss) | 184,802 | (41,795)
Net claims and claim expenses incurred – current accident year | 276,519 | 503,994
Net claims and claim expenses incurred – prior accident years | (16,758) | (5,162)
Total net incurred | $ 259,761 | $ 498,832
Net claims and claim expense ratio – current accident year | 44.70% | 83.30%
Net claims and claim expense ratio – prior accident years | (2.70%) | (0.90%)
Net claims and claim expense ratio – calendar year | 42.00% | 82.40%
Underwriting expense ratio | 28.10% | 24.50%
Combined ratio | 70.10% | 106.90%
Casualty and Specialty |  |
Segment Reporting Information [Line Items] |  |
Net claims and claim expenses incurred – prior accident years | $ (1,075) | $ (3,870)
Casualty and Specialty | Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Gross premiums written | 1,599,456 | 1,035,623
Net premiums written | 1,275,051 | 815,623
Net premiums earned | 867,834 | 548,670
Net claims and claim expenses incurred | 581,972 | 368,219
Acquisition expenses | 249,411 | 154,480
Operational expenses | 20,975 | 19,936
Underwriting income (loss) | 15,476 | 6,035
Net claims and claim expenses incurred – current accident year | 583,047 | 372,089
Net claims and claim expenses incurred – prior accident years | (1,075) | (3,870)
Total net incurred | $ 581,972 | $ 368,219
Net claims and claim expense ratio – current accident year | 67.20% | 67.80%
Net claims and claim expense ratio – prior accident years | (0.10%) | (0.70%)
Net claims and claim expense ratio – calendar year | 67.10% | 67.10%
Underwriting expense ratio | 31.10% | 31.80%
Combined ratio | 98.20% | 98.90%

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- Definition Amount, after effects of policies assumed or ceded, of expense related to the provision for policy benefits and costs incurred. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.5) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=99397103&loc=d3e6811-158387 + Details
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- Definition Amount, after premiums ceded to other entities and premiums assumed by the entity, of premiums earned. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(1)) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17(Column E)) -URI http://asc.fasb.org/extlink&oid=120401096&loc=d3e574992-122915 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(13)(c)) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 + Details
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- Definition Amount, after effects of reinsurance, of expense for claims incurred in the current reporting period and related claims settlement costs. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437 + Details
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