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Reserve for Claims and Claim Expenses (Liability for Catastrophe Claims) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | $ (162,447) | $ (143,798) | $ (143,954)
Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (71,191) | (92,366) | (111,496)
Attritional Claims and Claim Expenses |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (91,256) | (51,432) | (32,458)
Reported Claims Less than Expected |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (94,515) | (51,432) | (22,300)
Actuarial Assumption Changes |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 3,259 |  | (10,158)
Large Catastrophe Event | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (33,978) | (65,537) | (94,527)
Thailand Floods (2011) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (18,823) | (11,754) |
Tohoku Earthquake and Tsunami (2011) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (5,314) | (5,131) | (19,033)
New Zealand Earthquake (2011) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 22,754 |  | (10,944)
2011 International Events | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (1,383) |  |
Storm Sandy (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (12,524) | (24,232) | (48,285)
April and May U.S. Tornadoes (2011) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (10,189) | (13,939) |
Deepwater Horizon (2010) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (8,116) |  |
Hurricanes Gustav and Ike (2008) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (4,673) | (6,647) | (16,665)
New Zealand Earthquake (2010) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 1,095 | 24,692 | 11,340
Subprime (2007) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 8,459 | 5,049 |
LIBOR (2011 and 2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | (11,750) |
Hurricane Irene (2011) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | (4,506) |
Windstorm Kyrill (2007) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | (3,615) | (8,244)
Hurricane Isaac (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  |  | 2,610
Other | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (6,647) | (13,704) | (5,306)
Small Catastrophe Event | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (37,213) | (26,829) | (16,969)
2014 U.S. Winter Storms and Wind and Thunderstorm Events | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (28,042) |  |
U.S. PCS 24 Wind and Thunderstorm (2013) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | (6,712) |
European Floods (2013) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (2,272) | (7,552) |
U.S. PCS 73 Wind and Thunderstorm (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | 3,737 |
U.S. PCS 83 Wind and Thunderstorm (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  |  | (3,500)
U.S. PCS 70 Wind and Thunderstorm (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | 9,625 | 8,225
U.S. PCS 76 Wind and Thunderstorm (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  |  | (300)
Other | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (6,899) | (25,927) | (21,394)
Catastrophe Reinsurance |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (70,377) | (65,511) | (102,037)
Catastrophe Reinsurance | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (70,377) | (65,511) | (102,037)
Catastrophe Reinsurance | Attritional Claims and Claim Expenses |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | 0 | 0
Catastrophe Reinsurance | Reported Claims Less than Expected |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | 0 | 0
Catastrophe Reinsurance | Actuarial Assumption Changes |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 |  | 0
Catastrophe Reinsurance | Large Catastrophe Event | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (31,598) | (47,506) | (85,068)
Catastrophe Reinsurance | Thailand Floods (2011) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (18,823) | (9,254) |
Catastrophe Reinsurance | Tohoku Earthquake and Tsunami (2011) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (5,314) | (3,489) | (18,033)
Catastrophe Reinsurance | New Zealand Earthquake (2011) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 22,754 |  | (10,944)
Catastrophe Reinsurance | 2011 International Events | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (1,383) |  |
Catastrophe Reinsurance | Storm Sandy (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (10,436) | (20,104) | (44,460)
Catastrophe Reinsurance | April and May U.S. Tornadoes (2011) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (10,189) | (13,939) |
Catastrophe Reinsurance | Deepwater Horizon (2010) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 |  |
Catastrophe Reinsurance | Hurricanes Gustav and Ike (2008) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (4,673) | (6,647) | (16,261)
Catastrophe Reinsurance | New Zealand Earthquake (2010) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 769 | 24,692 | 11,040
Catastrophe Reinsurance | Subprime (2007) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | 0 |
Catastrophe Reinsurance | LIBOR (2011 and 2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | 0 |
Catastrophe Reinsurance | Hurricane Irene (2011) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | (4,506) |
Catastrophe Reinsurance | Windstorm Kyrill (2007) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | (3,615) | (8,244)
Catastrophe Reinsurance | Hurricane Isaac (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  |  | 2,610
Catastrophe Reinsurance | Other | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (5,686) | (10,644) | (776)
Catastrophe Reinsurance | Small Catastrophe Event | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (38,779) | (18,005) | (16,969)
Catastrophe Reinsurance | 2014 U.S. Winter Storms and Wind and Thunderstorm Events | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (28,042) |  |
Catastrophe Reinsurance | U.S. PCS 24 Wind and Thunderstorm (2013) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | (6,712) |
Catastrophe Reinsurance | European Floods (2013) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (2,272) | (7,552) |
Catastrophe Reinsurance | U.S. PCS 73 Wind and Thunderstorm (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | 3,737 |
Catastrophe Reinsurance | U.S. PCS 83 Wind and Thunderstorm (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  |  | (3,500)
Catastrophe Reinsurance | U.S. PCS 70 Wind and Thunderstorm (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | 9,625 | 8,225
Catastrophe Reinsurance | U.S. PCS 76 Wind and Thunderstorm (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  |  | (300)
Catastrophe Reinsurance | Other | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (8,465) | (17,103) | (21,394)
Specialty Reinsurance |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (91,912) | (55,909) | (34,111)
Specialty Reinsurance | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (1,762) | (11,419) | (2,463)
Specialty Reinsurance | Attritional Claims and Claim Expenses |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (90,150) | (44,490) | (31,648)
Specialty Reinsurance | Reported Claims Less than Expected |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (94,944) | (44,490) | (21,216)
Specialty Reinsurance | Actuarial Assumption Changes |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 4,794 |  | (10,432)
Specialty Reinsurance | Large Catastrophe Event | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (1,762) | (11,419) | (2,463)
Specialty Reinsurance | Thailand Floods (2011) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | (2,500) |
Specialty Reinsurance | Tohoku Earthquake and Tsunami (2011) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | (1,642) | (1,000)
Specialty Reinsurance | New Zealand Earthquake (2011) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 |  | 0
Specialty Reinsurance | 2011 International Events | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 |  |
Specialty Reinsurance | Storm Sandy (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (2,088) | 0 | 0
Specialty Reinsurance | April and May U.S. Tornadoes (2011) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | 0 |
Specialty Reinsurance | Deepwater Horizon (2010) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (8,116) |  |
Specialty Reinsurance | Hurricanes Gustav and Ike (2008) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | 0 | 0
Specialty Reinsurance | New Zealand Earthquake (2010) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 326 | 0 | 300
Specialty Reinsurance | Subprime (2007) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 8,459 | 5,049 |
Specialty Reinsurance | LIBOR (2011 and 2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | (10,500) |
Specialty Reinsurance | Hurricane Irene (2011) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | 0 |
Specialty Reinsurance | Windstorm Kyrill (2007) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | 0 | 0
Specialty Reinsurance | Hurricane Isaac (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  |  | 0
Specialty Reinsurance | Other | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (343) | (1,826) | (1,763)
Specialty Reinsurance | Small Catastrophe Event | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | 0 | 0
Specialty Reinsurance | 2014 U.S. Winter Storms and Wind and Thunderstorm Events | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 |  |
Specialty Reinsurance | U.S. PCS 24 Wind and Thunderstorm (2013) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | 0 |
Specialty Reinsurance | European Floods (2013) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | 0 |
Specialty Reinsurance | U.S. PCS 73 Wind and Thunderstorm (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | 0 |
Specialty Reinsurance | U.S. PCS 83 Wind and Thunderstorm (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  |  | 0
Specialty Reinsurance | U.S. PCS 70 Wind and Thunderstorm (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | 0 | 0
Specialty Reinsurance | U.S. PCS 76 Wind and Thunderstorm (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  |  | 0
Specialty Reinsurance | Other | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | 0 | 0
Lloyd's |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 340 | (16,241) | (8,256)
Lloyd's | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 1,566 | (9,299) | (5,267)
Lloyd's | Attritional Claims and Claim Expenses |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (1,226) | (6,942) | (2,989)
Lloyd's | Reported Claims Less than Expected |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 309 | (6,942) | (3,263)
Lloyd's | Actuarial Assumption Changes |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (1,535) |  | 274
Lloyd's | Large Catastrophe Event | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | (6,612) | (5,267)
Lloyd's | Thailand Floods (2011) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | 0 |
Lloyd's | Tohoku Earthquake and Tsunami (2011) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | 0 | 0
Lloyd's | New Zealand Earthquake (2011) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 |  | 0
Lloyd's | 2011 International Events | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 |  |
Lloyd's | Storm Sandy (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | (4,128) | (3,825)
Lloyd's | April and May U.S. Tornadoes (2011) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | 0 |
Lloyd's | Deepwater Horizon (2010) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 |  |
Lloyd's | Hurricanes Gustav and Ike (2008) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | 0 | 0
Lloyd's | New Zealand Earthquake (2010) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | 0 | 0
Lloyd's | Subprime (2007) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | 0 |
Lloyd's | LIBOR (2011 and 2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | (1,250) |
Lloyd's | Hurricane Irene (2011) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | 0 |
Lloyd's | Windstorm Kyrill (2007) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | 0 | 0
Lloyd's | Hurricane Isaac (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  |  | 0
Lloyd's | Other | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | (1,234) | (1,442)
Lloyd's | Small Catastrophe Event | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 1,566 | (2,687) | 0
Lloyd's | 2014 U.S. Winter Storms and Wind and Thunderstorm Events | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 |  |
Lloyd's | U.S. PCS 24 Wind and Thunderstorm (2013) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | 0 |
Lloyd's | European Floods (2013) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | 0 |
Lloyd's | U.S. PCS 73 Wind and Thunderstorm (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | 0 |
Lloyd's | U.S. PCS 83 Wind and Thunderstorm (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  |  | 0
Lloyd's | U.S. PCS 70 Wind and Thunderstorm (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | 0 | 0
Lloyd's | U.S. PCS 76 Wind and Thunderstorm (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  |  | 0
Lloyd's | Other | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 1,566 | (2,687) | 0
Other |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (498) | (6,137) | 450
Other | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (618) | (6,137) | (1,729)
Other | Attritional Claims and Claim Expenses |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 120 | 0 | 2,179
Other | Reported Claims Less than Expected |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 120 | 0 | 2,179
Other | Actuarial Assumption Changes |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 |  | 0
Other | Large Catastrophe Event | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (618) | 0 | (1,729)
Other | Thailand Floods (2011) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | 0 |
Other | Tohoku Earthquake and Tsunami (2011) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | 0 | 0
Other | New Zealand Earthquake (2011) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 |  | 0
Other | 2011 International Events | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 |  |
Other | Storm Sandy (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | 0 | 0
Other | April and May U.S. Tornadoes (2011) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | 0 |
Other | Deepwater Horizon (2010) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 |  |
Other | Hurricanes Gustav and Ike (2008) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | 0 | (404)
Other | New Zealand Earthquake (2010) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | 0 | 0
Other | Subprime (2007) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | 0 |
Other | LIBOR (2011 and 2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | 0 |
Other | Hurricane Irene (2011) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | 0 |
Other | Windstorm Kyrill (2007) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | 0 | 0
Other | Hurricane Isaac (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  |  | 0
Other | Other | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | (618) | 0 | (1,325)
Other | Small Catastrophe Event | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | (6,137) | 0
Other | 2014 U.S. Winter Storms and Wind and Thunderstorm Events | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 |  |
Other | U.S. PCS 24 Wind and Thunderstorm (2013) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | 0 |
Other | European Floods (2013) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | 0 | 0 |
Other | U.S. PCS 73 Wind and Thunderstorm (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | 0 |
Other | U.S. PCS 83 Wind and Thunderstorm (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  |  | 0
Other | U.S. PCS 70 Wind and Thunderstorm (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  | 0 | 0
Other | U.S. PCS 76 Wind and Thunderstorm (2012) | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years |  |  | 0
Other | Other | Catastrophe |  |  |
Liability for Catastrophe Claims [Line Items] |  |  |
Prior years | $ 0 | $ (6,137) | $ 0

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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. + References No definition available. + Details
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- Definition Amount of expense (reversal of expense) for claims incurred in prior reporting periods and related claims settlement costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-18) -URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e575016-122915 + Details
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