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Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
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Assets: |  |
Fixed maturity securities, held-to-maturity - at carrying value (fair value: $594,661 - 2012; $758,043 - 2011) | $ 554,069 | $ 712,348
Fixed maturity securities, available-for-sale - at fair value (amortized cost: $3,130,683 - 2012; $2,766,856 - 2011) | 3,296,013 | 2,897,373
Equity securities, available-for-sale - at fair value (cost of: $132,441 - 2012; $143,826 - 2011) | 151,382 | 157,355
Short-term investments (at cost which approximates fair value) | 214,479 | 217,044
Other investments | 114,076 | 128,301
Total investments | 4,330,019 | 4,112,421
Cash | 210 | 762
Interest and dividends due or accrued | 35,984 | 35,842
Premiums receivable, net of allowance for uncollectible accounts of: $3,906 - 2012; $3,768 - 2011 | 484,388 | 466,294
Reinsurance recoverable, net | 1,421,109 | 561,855
Prepaid reinsurance premiums | 132,637 | 147,686
Current federal income tax | 2,569 | 731
Deferred federal income tax | 119,136 | 119,486
Property and equipment - at cost, net of accumulated depreciation and amortization of: $169,428 - 2012; $160,294 - 2011 | 47,131 | 43,947
Deferred policy acquisition costs | 155,523 | 135,761
Goodwill | 7,849 | 7,849
Other assets | 57,661 | 52,835
Total assets | 6,794,216 | 5,685,469
Liabilities And Stockholders' Equity: |  |
Reserve for losses and loss expenses | 4,068,941 | 3,144,924
Unearned premiums | 974,706 | 906,991
Notes payable | 307,387 | 307,360
Accrued salaries and benefits | 152,396 | 119,297
Other liabilities | 200,194 | 148,569
Total liabilities | 5,703,624 | 4,627,141
Stockholders' Equity: |  |
Preferred stock of $0 par value per share: Authorized shares: 5,000,000; no shares issued or outstanding | 0 | 0
Common stock of $2 par value per share Authorized shares: 360,000,000 Issued: 98,194,224 - 2012; 97,246,711 - 2011 | 196,388 | 194,494
Additional paid-in capital | 270,654 | 257,370
Retained earnings | 1,125,154 | 1,116,319
Accumulated other comprehensive income | 54,040 | 42,294
Treasury stock - at cost (shares: 43,030,776 - 2012; 42,836,201 - 2011) | (555,644) | (552,149)
Total stockholders' equity | 1,090,592 | 1,058,328
Commitments and contingencies |  |
Total liabilities and stockholders' equity | $ 6,794,216 | $ 5,685,469

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