Less than 12 Months | 12 Months or Greater | ||||||||||||||||||||
Number of Securities | Estimated Fair Value | Gross Unrealized Loss | Number of Securities | Estimated Fair Value | Gross Unrealized Loss | ||||||||||||||||
(Securities are whole amounts) | |||||||||||||||||||||
December 31, 2013: | |||||||||||||||||||||
Fixed maturity securities: | |||||||||||||||||||||
United States Government securities | 27 | $ | 179.2 | $ | (3.4 | ) | — | $ | — | $ | — | ||||||||||
Government sponsored securities | 22 | 73.4 | (1.3 | ) | — | — | — | ||||||||||||||
States, municipalities and political subdivisions, tax-exempt | 806 | 2,070.9 | (90.1 | ) | 42 | 82.4 | (9.6 | ) | |||||||||||||
Corporate securities | 1,448 | 2,586.6 | (95.2 | ) | 107 | 81.3 | (15.5 | ) | |||||||||||||
Residential mortgage-backed securities | 605 | 1,243.0 | (41.4 | ) | 80 | 116.2 | (7.1 | ) | |||||||||||||
Commercial mortgage-backed securities | 52 | 177.7 | (2.6 | ) | 4 | 5.6 | (0.3 | ) | |||||||||||||
Other debt securities | 65 | 185.3 | (2.5 | ) | 17 | 16.2 | (0.8 | ) | |||||||||||||
Total fixed maturity securities | 3,025 | 6,516.1 | (236.5 | ) | 250 | 301.7 | (33.3 | ) | |||||||||||||
Equity securities | 426 | 120.8 | (8.0 | ) | — | — | — | ||||||||||||||
Total fixed maturity and equity securities | 3,451 | $ | 6,636.9 | $ | (244.5 | ) | 250 | $ | 301.7 | $ | (33.3 | ) | |||||||||
December 31, 2012 | |||||||||||||||||||||
Fixed maturity securities: | |||||||||||||||||||||
United States Government securities | 17 | $ | 48.5 | $ | (0.2 | ) | — | $ | — | $ | — | ||||||||||
States, municipalities and political subdivisions, tax-exempt | 184 | 420.1 | (5.7 | ) | 1 | 46.9 | (1.6 | ) | |||||||||||||
Corporate securities | 457 | 1,066.5 | (17.0 | ) | 74 | 52.6 | (8.0 | ) | |||||||||||||
Residential mortgage-backed securities | 79 | 211.0 | (1.1 | ) | 44 | 25.5 | (1.9 | ) | |||||||||||||
Commercial mortgage-backed securities | 4 | 10.1 | — | 3 | 4.1 | — | |||||||||||||||
Other debt securities | 7 | 5.4 | (0.2 | ) | 21 | 28.9 | (3.1 | ) | |||||||||||||
Total fixed maturity securities | 748 | 1,761.6 | (24.2 | ) | 143 | 158.0 | (14.6 | ) | |||||||||||||
Equity securities | 961 | 149.6 | (12.5 | ) | — | — | — | ||||||||||||||
Total fixed maturity and equity securities | 1,709 | $ | 1,911.2 | $ | (36.7 | ) | 143 | $ | 158.0 | $ | (14.6 | ) |