v2.4.0.8

Investments - Schedule of Investments Reconciliation (Details) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2013 | Dec. 31, 2012
--- | --- | ---
Schedule of Investments [Line Items] |  |
Fixed Maturities, available-for-sale, Amortized cost | $ 2,665,870 | $ 2,475,202
Other Investments, Original or amortized cost | 4,087 | 2,599
Total investments, Original or amortized cost | 2,669,957 | 2,477,801
Available-for-sale securities, Gross unrealized gains | 94,070 | 151,460
Other investments, Gross unrealized gains | 364 | 353
Investments, Gross unrealized gains | 94,434 | 151,813
Available-for-sale securities, Gross unrealized losses | (45,073) | (7,965)
Other investments, Gross unrealized losses | (13) | (51)
Investments, Gross unrealized losses | (45,086) | (8,016)
Total Investments, Fair Value | 2,714,867 | 2,618,697
Other investments | 4,438 | 2,901
Total investments | 2,719,305 | 2,621,598
U.S. treasury bonds [Member] |  |
Schedule of Investments [Line Items] |  |
Fixed Maturities, available-for-sale, Amortized cost | 16,635 | 42,671
Available-for-sale securities, Gross unrealized gains | 811 | 1,260
Available-for-sale securities, Gross unrealized losses | 0 | 0
Total Investments, Fair Value | 17,446 | 43,931
U.S. agency bonds – mortgage-backed [Member] |  |
Schedule of Investments [Line Items] |  |
Fixed Maturities, available-for-sale, Amortized cost | 1,221,606 | 962,649
Available-for-sale securities, Gross unrealized gains | 16,336 | 30,998
Available-for-sale securities, Gross unrealized losses | (19,456) | (1,473)
Total Investments, Fair Value | 1,218,486 | 992,174
U.S. agency bonds – other [Member] |  |
Schedule of Investments [Line Items] |  |
Fixed Maturities, available-for-sale, Amortized cost | 11,683 | 11,682
Available-for-sale securities, Gross unrealized gains | 1,173 | 1,407
Available-for-sale securities, Gross unrealized losses | 0 | 0
Total Investments, Fair Value | 12,856 | 13,089
Non-U.S. government bonds [Member] |  |
Schedule of Investments [Line Items] |  |
Fixed Maturities, available-for-sale, Amortized cost | 58,668 | 55,169
Available-for-sale securities, Gross unrealized gains | 731 | 2,264
Available-for-sale securities, Gross unrealized losses | (918) | 0
Total Investments, Fair Value | 58,481 | 57,433
Other mortgage-backed securities [Member] |  |
Schedule of Investments [Line Items] |  |
Fixed Maturities, available-for-sale, Amortized cost | 27,629 | 23,167
Available-for-sale securities, Gross unrealized gains | 28 | 901
Available-for-sale securities, Gross unrealized losses | (194) | 0
Total Investments, Fair Value | 27,463 | 24,068
Corporate bonds [Member] |  |
Schedule of Investments [Line Items] |  |
Fixed Maturities, available-for-sale, Amortized cost | 1,317,054 | 1,247,260
Available-for-sale securities, Gross unrealized gains | 74,091 | 113,386
Available-for-sale securities, Gross unrealized losses | (24,505) | (6,492)
Total Investments, Fair Value | 1,366,640 | 1,354,154
Municipal bonds [Member] |  |
Schedule of Investments [Line Items] |  |
Fixed Maturities, available-for-sale, Amortized cost | 12,595 | 132,604
Available-for-sale securities, Gross unrealized gains | 900 | 1,244
Available-for-sale securities, Gross unrealized losses | 0 | 0
Total Investments, Fair Value | $ 13,495 | $ 133,848

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- Definition This item represents the cost of debt securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References No definition available. + Details
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- Definition Amount of debt securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -Subparagraph (b)-(g) -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 + Details
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