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Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified | Mar. 31, 2013 | Dec. 31, 2012
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ASSETS |  |
Fixed maturity securities, held-to-maturity – at carrying value (fair value: $543,553 – 2013; $594,661 – 2012) | $ 507,771 | $ 554,069
Fixed maturity securities, available-for-sale – at fair value (amortized cost: $3,314,989 – 2013 ; $3,130,683 – 2012) | 3,465,981 | 3,296,013
Equity securities, available-for-sale – at fair value (cost: $143,564 – 2013; $132,441 – 2012) | 174,745 | 151,382
Short-term investments (at cost which approximates fair value) | 163,440 | 214,479
Other investments | 109,855 | 114,076
Total investments | 4,421,792 | 4,330,019
Cash | 296 | 210
Interest and dividends due or accrued | 35,254 | 35,984
Premiums receivable, net of allowance for uncollectible accounts of: $4,152 – 2013; $3,906 – 2012 | 520,590 | 484,388
Reinsurance recoverables, net | 788,000 | 1,421,109
Prepaid reinsurance premiums | 134,222 | 132,637
Current federal income tax | 0 | 2,569
Deferred federal income tax | 105,014 | 119,136
Property and equipment – at cost, net of accumulated depreciation and amortization of: $171,715– 2013; $169,428 – 2012 | 48,327 | 47,131
Deferred policy acquisition costs | 158,486 | 155,523
Goodwill | 7,849 | 7,849
Other assets | 124,197 | 57,661
Total assets | 6,344,027 | 6,794,216
Liabilities And Stockholders' Equity |  |
Reserve for loss and loss expenses | 3,474,392 | 4,068,941
Unearned premiums | 1,005,475 | 974,706
Notes payable | 392,393 | 307,387
Current federal income tax | 3,075 | 0
Accrued salaries and benefits | 103,868 | 152,396
Other liabilities | 228,479 | 200,194
Total liabilities | 5,207,682 | 5,703,624
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: 98,708,185 – 2013; 98,194,224 – 2012 | 197,416 | 196,388
Additional paid-in capital | 276,717 | 270,654
Retained earnings | 1,139,111 | 1,125,154
Accumulated other comprehensive income | 81,921 | 54,040
Treasury stock - at cost (shares: 43,177,212 – 2013; 43,030,776 – 2012) | (558,820) | (555,644)
Total stockholders' equity | 1,136,345 | 1,090,592
Commitments and contingencies |  |
Total liabilities and stockholders' equity | $ 6,344,027 | $ 6,794,216

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- Definition Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 12 -Paragraph 5 -Subparagraph b, c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph a -Article 5 + Details
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- Definition The known and estimated amount recoverable as of the balance sheet date from reinsurers for claims paid or incurred by the ceding insurer and associated claims settlement expenses, including estimated amounts for claims incurred but not reported, and policy benefits, net of any related valuation allowance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 113 -Paragraph 14, 16, 27, 113 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 6 -Article 7 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6480758&loc=d3e6824-158387 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.(a),6) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Technical Bulletin (FTB) -Number 85-6 -Paragraph 3 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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