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Investments (Fair Value and Gross Pre-Tax Net Unrealized Unrecognized Loss of Securities By Length of Time) (Details) (USD $) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2011 securities years | Dec. 31, 2010 securities years
AFS Fair Value, Less than 12 months | $ 427,065,000 |  | $ 524,328,000 |
AFS Unrealized Losses, Less than 12 months | (6,962,000) | [1] | (11,572,000) | [1]
AFS Fair Value, 12 months or longer | 18,633,000 |  | 32,905,000 |
AFS Unrealized Losses, 12 months or longer | (1,850,000) | [1] | (3,863,000) | [1]
HTM Fair Value, Less than 12 months | 13,127,000 |  | 27,149,000 |
HTM Unrealized (Losses) Gains, Less than 12 months | (549,000) | [1] | (1,346,000) | [1]
HTM Unrecognized Gains (Losses), Less than 12 months | 476,000 | [2] | 8,000 | [2]
HTM Fair Value, 12 months or longer | 33,293,000 |  | 36,626,000 |
HTM Unrealized Losses, 12 months or longer | (6,857,000) | [1] | (7,035,000) | [1]
HTM Unrecognized Gains, 12 months or longer | 2,807,000 | [2] | 2,251,000 | [2]
Total AFS and HTM Fair Value, Less than 12 months | 440,192,000 |  | 551,477,000 |
Total AFS and HTM Unrealized (Losses) Gains, Less than 12 months | (7,511,000) | [1] | (12,918,000) | [1]
Total AFS and HTM Fair Value, 12 months or longer | 51,926,000 |  | 69,531,000 |
Total AFS and HTM Unrealized Losses, 12 months or longer | (8,707,000) | [1] | (10,898,000) | [1]
Number of securities in an unrealized/unrecognized loss position | 225 |  | 199 |
Securities in an unrealized/unrecognized loss position fair value | 492,100,000 |  | 621,000,000 |
Decrease in unrealized/unrecognized losses | 8,600,000 |  |  |
Securities In Unrealized Unrecognized Loss Position For More Than Twelve Months Unrealized Unrecognized Loss | 5,900,000 |  |  |
AFS Fixed Maturity Securities [Member] |  |  |  |
AFS Fair Value, Less than 12 months | 375,415,000 |  | 524,328,000 |
AFS Unrealized Losses, Less than 12 months | (5,299,000) | [1] | (11,572,000) | [1]
AFS Fair Value, 12 months or longer | 18,633,000 |  | 32,905,000 |
AFS Unrealized Losses, 12 months or longer | (1,850,000) | [1] | (3,863,000) | [1]
AFS Fixed Maturity Securities [Member] | U.S. Government and Government Agencies [Member] |  |  |  |
AFS Fair Value, Less than 12 months | 4,051,000 | [3] | 3,956,000 | [3]
AFS Unrealized Losses, Less than 12 months | (52,000) | [1],[3] | (147,000) | [1],[3]
AFS Fair Value, 12 months or longer | 0 | [3] | 0 | [3]
AFS Unrealized Losses, 12 months or longer | 0 | [1],[3] | 0 | [1],[3]
AFS Fixed Maturity Securities [Member] | Foreign Government [Member] |  |  |  |
AFS Fair Value, Less than 12 months | 15,355,000 |  | 10,776,000 |
AFS Unrealized Losses, Less than 12 months | (145,000) | [1] | (349,000) | [1]
AFS Fair Value, 12 months or longer | 0 |  | 0 |
AFS Unrealized Losses, 12 months or longer | 0 | [1] | 0 | [1]
AFS Fixed Maturity Securities [Member] | Obligations of States and Political Subdivisions [Member] |  |  |  |
AFS Fair Value, Less than 12 months | 0 |  | 40,410,000 |
AFS Unrealized Losses, Less than 12 months | 0 | [1] | (650,000) | [1]
AFS Fair Value, 12 months or longer | 305,000 |  | 0 |
AFS Unrealized Losses, 12 months or longer | (6,000) | [1] | 0 | [1]
AFS Fixed Maturity Securities [Member] | Corporate Securities [Member] |  |  |  |
AFS Fair Value, Less than 12 months | 254,600,000 |  | 362,502,000 |
AFS Unrealized Losses, Less than 12 months | (4,125,000) | [1] | (8,784,000) | [1]
AFS Fair Value, 12 months or longer | 0 |  | 0 |
AFS Unrealized Losses, 12 months or longer | 0 | [1] | 0 | [1]
AFS Fixed Maturity Securities [Member] | Asset-backed Securities ("ABS") [Member] |  |  |  |
AFS Fair Value, Less than 12 months | 25,317,000 |  | 30,297,000 |
AFS Unrealized Losses, Less than 12 months | (56,000) | [1] | (273,000) | [1]
AFS Fair Value, 12 months or longer | 765,000 |  | 880,000 |
AFS Unrealized Losses, 12 months or longer | (72,000) | [1] | (66,000) | [1]
AFS Fixed Maturity Securities [Member] | Commercial Mortgage-backed Securities ("CMBS") [Member] |  |  |  |
AFS Fair Value, Less than 12 months | 8,064,000 |  | 5,453,000 |
AFS Unrealized Losses, Less than 12 months | (33,000) | [1] | (271,000) | [1]
AFS Fair Value, 12 months or longer | 10,362,000 |  | 11,115,000 |
AFS Unrealized Losses, 12 months or longer | (1,148,000) | [1] | (2,652,000) | [1]
AFS Fixed Maturity Securities [Member] | Residential Mortgage Backed Securities ("RMBS") [Member] |  |  |  |
AFS Fair Value, Less than 12 months | 68,028,000 |  | 70,934,000 |
AFS Unrealized Losses, Less than 12 months | (888,000) | [1] | (1,098,000) | [1]
AFS Fair Value, 12 months or longer | 7,201,000 |  | 20,910,000 |
AFS Unrealized Losses, 12 months or longer | (624,000) | [1] | (1,145,000) | [1]
Equity Securities [Member] |  |  |  |
AFS Fair Value, Less than 12 months | 51,650,000 |  | 0 |
AFS Unrealized Losses, Less than 12 months | (1,663,000) | [1] | 0 | [1]
AFS Fair Value, 12 months or longer | 0 |  | 0 |
AFS Unrealized Losses, 12 months or longer | 0 | [1] | 0 | [1]
Securities Which Have Experienced A Shortfall In Interest Payments [Member] | Commercial Mortgage-backed Securities ("CMBS") [Member] |  |  |  |
Unrealized unrecognized losses on securities previously impaired | 500,000 |  |  |
Unrealized unrecognized losses on securities previously impaired number of securities | 1 |  |  |
Obligations of States and Political Subdivisions [Member] |  |  |  |
HTM Fair Value, Less than 12 months | 13,127,000 |  | 21,036,000 |
HTM Unrealized (Losses) Gains, Less than 12 months | (549,000) | [1] | (381,000) | [1]
HTM Unrecognized Gains (Losses), Less than 12 months | 476,000 | [2] | 45,000 | [2]
HTM Fair Value, 12 months or longer | 23,379,000 |  | 27,855,000 |
HTM Unrealized Losses, 12 months or longer | (1,630,000) | [1] | (1,969,000) | [1]
HTM Unrecognized Gains, 12 months or longer | 1,312,000 | [2] | 670,000 | [2]
Corporate Securities [Member] |  |  |  |
HTM Fair Value, Less than 12 months |  |  | 1,985,000 |
HTM Unrealized (Losses) Gains, Less than 12 months |  |  | (434,000) | [1]
HTM Unrecognized Gains (Losses), Less than 12 months |  |  | 420,000 | [2]
HTM Fair Value, 12 months or longer |  |  | 0 |
HTM Unrealized Losses, 12 months or longer |  |  | 0 | [1]
HTM Unrecognized Gains, 12 months or longer |  |  | 0 | [2]
Asset-backed Securities ("ABS") [Member] |  |  |  |
HTM Fair Value, Less than 12 months | 0 |  | 507,000 |
HTM Unrealized (Losses) Gains, Less than 12 months | 0 | [1] | (546,000) | [1]
HTM Unrecognized Gains (Losses), Less than 12 months | 0 | [2] | (440,000) | [2]
HTM Fair Value, 12 months or longer | 3,364,000 |  | 2,931,000 |
HTM Unrealized Losses, 12 months or longer | (1,635,000) | [1] | (1,095,000) | [1]
HTM Unrecognized Gains, 12 months or longer | 340,000 | [2] | 747,000 | [2]
Commercial Mortgage-backed Securities ("CMBS") [Member] |  |  |  |
HTM Fair Value, Less than 12 months | 0 |  | 3,621,000 |
HTM Unrealized (Losses) Gains, Less than 12 months | 0 | [1] | 15,000 | [1]
HTM Unrecognized Gains (Losses), Less than 12 months | 0 | [2] | (17,000) | [2]
HTM Fair Value, 12 months or longer | 6,438,000 |  | 5,745,000 |
HTM Unrealized Losses, 12 months or longer | (3,554,000) | [1] | (3,933,000) | [1]
HTM Unrecognized Gains, 12 months or longer | 1,137,000 | [2] | 833,000 | [2]
Securities In Unrealized Unrecognized Loss Position For More Than Twelve Months Unrealized Unrecognized Loss | 3,600,000 |  |  |
Unrealized unrecognized losses on securities previously impaired | 3,100,000 |  |  |
Unrealized unrecognized losses on securities previously impaired number of securities | 3 |  |  |
Residential Mortgage Backed Securities ("RMBS") [Member] |  |  |  |
HTM Fair Value, Less than 12 months | 0 |  | 0 |
HTM Unrealized (Losses) Gains, Less than 12 months | 0 | [1] | 0 | [1]
HTM Unrecognized Gains (Losses), Less than 12 months | 0 | [2] | 0 | [2]
HTM Fair Value, 12 months or longer | 112,000 |  | 95,000 |
HTM Unrealized Losses, 12 months or longer | (38,000) | [1] | (38,000) | [1]
HTM Unrecognized Gains, 12 months or longer | $ 18,000 | [2] | $ 1,000 | [2]
[1] | Gross unrealized losses include non-OTTI unrealized amounts and OTTI losses recognized in AOCI. In addition, this column includes remaining unrealized gain or loss amounts on securities that were transferred to an HTM designation in the first quarter of 2009 for those securities that are in a net unrealized/unrecognized loss position.
[2] | Unrecognized holding gains/(losses) represent fair value fluctuations from the later of: (i) the date a security is designated as HTM; or (ii) the date that an OTTI charge is recognized on an HTM security.
[3] | U.S. government includes corporate securities fully guaranteed by the FDIC.

X
- Definition This item represents the unrealized holding gains/losses of an available-for sale ("AFS") and held-to-maturity("HTM") security that has been in a continuous unrealized/unrecognized loss position for less than twelve months. The AFS unrealized holding losses represent the excess of amortized cost over fair value of securities. The HTM unrealized holding gains/losses represent the remaining unrealized gain/loss amounts on securities that were transferred to a HTM designation from an AFS designation as well as other-than-temporary impairment losses that are recognized in accumulated other comprehensive income. + Details
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- Definition This item represents the unrealized holding gains/losses of an available-for sale ("AFS") and held-to-maturity("HTM") security that has been in a continuous unrealized/unrecognized loss position for twelve months or longer. The AFS unrealized holding losses represent the excess of amortized cost over fair value of securities. The HTM unrealized holding gains/losses represent the remaining unrealized gain/loss amounts on securities that were transferred to a HTM designation from an AFS designation as well as other-than-temporary impairment losses that are recognized in accumulated other comprehensive income. + Details
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- Definition This item represents the excess of amortized cost basis over fair value of securities that have been in a loss position for twelve months or longer for those securities which are categorized neither as held-to-maturity nor trading securities. + Details
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- Definition This item represents the excess of amortized cost basis over fair value of securities that have been in a loss position for less than twelve months for those securities which are categorized neither as held-to-maturity nor trading securities. + Details
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- Definition This item represents the unrealized holding gains/losses of a held-to-maturity security that has been in a continuous unrealized/unrecognized loss position for less than twelve months. The unrealized holding gains/losses represent the remaining unrealized gain/loss amounts on securities that were transferred to a held-to-maturity designation from an available-for-sale designation as well as other-than-temporary impairment losses that are recognized in accumulated other comprehensive income. + Details
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- Definition This item represents the unrecognized holding gains/losses of a held-to-maturity security that has been in a continuous unrealized/unrecognized loss position for less than twelve months. The unrecognized holding gains/losses represent the market value fluctuations from the later of: (i) the date a security is designated as held-to-maturity; or (ii) the date that an other-than-temporary- impairment charge is recognized on a held-to-maturity security. + Details
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