Investments and Cash
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Jun. 30, 2014
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Investments, Debt and Equity Securities [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Investments and Cash | Investments and Cash Net Investment Income and Realized Gains (Losses) Net investment income is a function of the yield that the Company earns on invested assets and the size of the portfolio. The investment yield is a function of market interest rates at the time of investment as well as the type, credit quality and maturity of the invested assets. Accrued investment income was $95 million and $93 million as of June 30, 2014 and December 31, 2013, respectively. Net Investment Income
Net Realized Investment Gains (Losses)
The following table presents the roll-forward of the credit losses of fixed-maturity securities for which the Company has recognized an other-than-temporary-impairment and where the portion of the fair value adjustment related to other factors was recognized in other comprehensive income ("OCI"). Roll Forward of Credit Losses in the Investment Portfolio
Investment Portfolio Fixed-Maturity Securities and Short-Term Investments by Security Type As of June 30, 2014
Fixed-Maturity Securities and Short-Term Investments by Security Type As of December 31, 2013
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The Company’s investment portfolio in tax-exempt and taxable municipal securities includes issuances by a wide number of municipal authorities across the U.S. and its territories. Securities rated lower than A-/A3 by S&P or Moody’s are not eligible to be purchased for the Company’s portfolio unless acquired for loss mitigation or risk management strategies. The majority of the investment portfolio is managed by four outside managers. The Company has established detailed guidelines regarding credit quality, exposure to a particular sector and exposure to a particular obligor within a sector. The following tables summarize, for all securities in an unrealized loss position, the aggregate fair value and gross unrealized loss by length of time the amounts have continuously been in an unrealized loss position. Fixed-Maturity Securities Gross Unrealized Loss by Length of Time As of June 30, 2014
Fixed-Maturity Securities Gross Unrealized Loss by Length of Time As of December 31, 2013
Of the securities in an unrealized loss position for 12 months or more as of June 30, 2014, nine securities had unrealized losses greater than 10% of book value. The total unrealized loss for these securities as of June 30, 2014 was $34 million. The Company has determined that the unrealized losses recorded as of June 30, 2014 are yield related and not the result of other-than-temporary-impairment. The amortized cost and estimated fair value of available-for-sale fixed maturity securities by contractual maturity as of June 30, 2014 are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. Distribution of Fixed-Maturity Securities by Contractual Maturity As of June 30, 2014
Under agreements with its cedants and in accordance with statutory requirements, the Company maintains fixed maturity securities and cash in trust accounts for the benefit of reinsured companies, which amounted to $421 million and $377 million as of June 30, 2014 and December 31, 2013, respectively, based on fair value. In addition, to fulfill state licensing requirements the Company has placed on deposit eligible securities of $19 million as of both June 30, 2014 and December 31, 2013, based on fair value. The fair value of the Company’s pledged securities under credit derivative contracts totaled $472 million and $677 million as of June 30, 2014 and December 31, 2013, respectively. No material investments of the Company were non-income producing for Six Months 2014 and 2013, respectively. Internally Managed Portfolio The investment portfolio tables shown above include both assets managed externally and internally. In the table below, more detailed information is provided for the component of the total investment portfolio that is internally managed (excluding short-term investments). The internally managed portfolio, as defined below, represents approximately 8% and 9% of the investment portfolio, on a fair value basis as of June 30, 2014 and December 31, 2013, respectively. The internally managed portfolio consists primarily of the Company's investments in securities for (i) loss mitigation purposes, (ii) other risk management purposes and (iii) where the Company believes a particular security presents an attractive investment opportunity (the "trading portfolio"). One of the Company's strategies for mitigating losses has been to purchase securities it has insured that have expected losses, at discounted prices (assets purchased for loss mitigation purposes). In addition, the Company holds other invested assets that were obtained or purchased as part of negotiated settlements with insured counterparties or under the terms of our financial guaranties (other risk management assets). Additional detail about the types and amounts of securities acquired by the Company for loss mitigation, other risk management and in the trading portfolio is set forth in the table below. Internally Managed Portfolio Carrying Value
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