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Balance Sheet Parentheticals Document (USD $) In Thousands, except Share data, unless otherwise specified | Mar. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Fixed maturity securities: |  |
Available-for-sale Securities, Amortized Cost Basis | $ 23,513,179 | $ 21,957,027
Held for investment, at amortized cost, fair value | 62,173 | 61,521
Equity securities, available for sale, at fair value, cost | $ 44,172 | $ 44,598
Stockholders' equity: |  |
Preferred stock par value (per Share) | $ 1 | $ 1
Preferred stock shares authorized | 2,000,000 | 2,000,000
Preferred stock shares issued | 0 | 0
Preferred stock shares outstanding | 0 | 0
Common stock par value (per Share) | $ 1 | $ 1
Common stock shares authorized | 200,000,000 | 200,000,000
Common stock shares issued | 62,783,971 | 61,750,601
Common stock shares outstanding | 62,783,971 | 61,750,601
Common stock share held in treasury | 4,779,535 | 5,127,379
Unallocated common stock shares held by ESOP | 239,799 | 239,799

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- Definition This item represents the cost of equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments for 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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