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Consolidated Balance Sheets - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
ASSETS    
Fixed income securities, held-to-maturity – at carrying value (fair value: $46,240 – 2018; $44,100 – 2017) $ 44,582 $ 42,129
Fixed income securities, available-for-sale – at fair value (amortized cost: $5,216,964 – 2018; $5,076,716 – 2017) 5,190,156 5,162,522
Equity securities – at fair value (cost: $134,530 – 2018) 157,867  
Equity securities, available-for-sale – at fair value (cost: $143,811 – 2017)   182,705
Short-term investments (at cost which approximates fair value) 304,572 165,555
Other investments 163,930 132,268
Total investments (Note 4 and 6) 5,861,107 5,685,179
Cash 446 534
Restricted cash 12,386 44,176
Interest and dividends due or accrued 41,016 40,897
Premiums receivable, net of allowance for uncollectible accounts of: $10,100 – 2018; $10,000 – 2017 826,923 747,029
Reinsurance recoverable, net of allowance for uncollectible accounts of: $4,500 – 2018; $4,600 – 2017 603,827 594,832
Prepaid reinsurance premiums 167,108 153,493
Current federal income tax 0 3,243
Deferred federal income tax 52,347 31,990
Property and equipment – at cost, net of accumulated depreciation and amortization of: $227,639 – 2018; $213,227 – 2017 64,225 63,959
Deferred policy acquisition costs 258,033 235,055
Goodwill 7,849 7,849
Other assets 91,485 78,195
Total assets 7,986,752 7,686,431
Liabilities And Stockholders' Equity    
Reserve for loss and loss expense (Note 8) 3,925,155 3,771,240
Unearned premiums 1,483,794 1,349,644
Long-term debt 439,436 439,116
Current federal income tax 12,133 0
Accrued salaries and benefits 95,352 131,850
Other liabilities 292,362 281,624
Total liabilities 6,248,232 5,973,474
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: 102,786,738 – 2018; 102,284,564 – 2017 205,573 204,569
Additional paid-in capital 385,451 367,717
Retained earnings 1,824,607 1,698,613
Accumulated other comprehensive (loss) income (Note 11) (92,576) 20,170
Treasury stock – at cost (shares: 43,897,753 – 2018; 43,789,442 – 2017) (584,535) (578,112)
Total stockholders' equity 1,738,520 1,712,957
Commitments and contingencies
Total liabilities and stockholders' equity $ 7,986,752 $ 7,686,431