Consolidated Statements Of Earnings - USD ($)
shares in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Revenues:        
Earned premium $ 342,171 $ 338,586 $ 1,019,070 $ 1,011,197
Percent change, Earned premium 1.10%   0.80%  
Installment and other fee income $ 26,297 24,005 $ 77,200 73,122
Percent change, Installment and other fee income 9.60%   5.60%  
Net investment income $ 8,125 9,970 $ 25,115 27,908
Percent change, Net investment Income (18.50%)   (10.00%)  
Net realized gains (losses) on investments $ 1,282 (410) $ 1,257 974
Percent change, Net realized gains (losses) on investments (412.80%)   29.10%  
Other income $ 249 232 $ 727 913
Percent change, Other income 7.60%   (20.30%)  
Total revenues $ 378,124 372,383 $ 1,123,370 1,114,113
Percent change, Total revenues 1.50%   0.80%  
Costs and Expenses:        
Losses and loss adjustment expenses $ 280,866 256,063 $ 809,664 774,489
Percent change, Losses and loss adjustment expenses 9.70%   4.50%  
Commissions and other underwriting expenses $ 88,412 86,779 $ 266,183 261,880
Percent change, Commissions and other underwriting expenses 1.90%   1.60%  
Interest expense $ 3,507 3,506 $ 10,524 10,522
Percent change, Interest expense 0.00%   0.00%  
Corporate general and administrative expenses $ 1,768 1,677 $ 5,532 5,605
Percent change, Corporate general and administrative expenses 5.50%   (1.30%)  
Other expenses $ 375 1,545 $ 1,455 2,900
Percent change, Other expenses (75.70%)   (49.80%)  
Total costs and expenses $ 374,929 349,569 $ 1,093,358 1,055,396
Percent change, Total costs and expenses 7.30%   3.60%  
Earnings before income taxes $ 3,196 22,814 $ 30,012 58,717
Percent change, Earnings before income taxes (86.00%)   (48.90%)  
Provision for income taxes $ 442 7,077 $ 8,536 18,333
Percent change, Provision for income taxes (93.70%)   (53.40%)  
Net Earnings $ 2,753 $ 15,737 $ 21,476 $ 40,384
Percent change, Net Earnings (82.50%)   (46.80%)  
Net Earnings per Common Share:        
Basic (usd per share) $ 0.25 $ 1.39 $ 1.95 $ 3.55
Percent change, Basic (82.00%)   (45.10%)  
Diluted (usd per share) $ 0.25 $ 1.38 $ 1.93 $ 3.52
Percent change, Diluted (81.90%)   (45.20%)  
Average Number of Common Shares:        
Basic (shares) 11,018 11,321 11,022 11,385
Percent change, Basic (2.70%)   (3.20%)  
Diluted (shares) 11,084 11,383 11,105 11,474
Percent change, Diluted (2.60%)   (3.20%)  
Cash Dividends per Common Share (usd per share) $ 0.52 $ 0.43 $ 1.56 $ 1.29
Percent change, Cash Dividends per Common Share 20.90%   20.90%  
Net realized gains (losses) on sales $ 1,282 $ (287) $ 1,573 $ 1,686
Percent change, Net realized gains (losses) on sales (546.60%)   (6.70%)  
Total other-than-temporary impairment (OTTI) losses $ 0 (123) $ (316) (713)
Percent change, Total other-than-temporary impairment (OTTI) losses (100.00%)   (55.70%)  
Total net realized gains (losses) on investments $ 1,282 $ (410) $ 1,257 $ 974
Percent change, Total net realized gains (losses) on investments (412.80%)   29.10%