Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
ASSETS
Fixed maturity securities (amortized cost $2,772,702; $2,503,494)	$ 2,888,943	$ 2,618,400
Equity securities (cost $362,124; $387,851)	380,816	412,880
Short-term investments (cost $174,040; $373,180)	173,604	372,542
Total investments	3,443,363	3,403,822
Cash	234,576	289,907
Receivables:
Premiums	417,323	390,009
Accrued investment income	40,828	38,737
Other	21,744	21,202
Total receivables	479,895	449,948
Deferred policy acquisition costs	199,101	197,202
Fixed assets, net	156,989	158,976
Current income taxes	2,817	503
Deferred income taxes	326	0
Goodwill	42,796	42,796
Other intangible assets, net	35,528	35,623
Other assets	22,666	21,512
Total assets	4,618,057	4,600,289
Liabilities
Losses and loss adjustment expenses	1,105,877	1,091,797
Unearned premiums	1,025,627	999,798
Notes payable	290,000	290,000
Accounts payable and accrued expenses	118,561	130,887
Deferred income taxes	0	5,333
Other liabilities	208,028	207,028
Total liabilities	2,748,093	2,724,843
Commitments and contingencies
Shareholders’ equity:
Common stock without par value or stated value: Authorized 70,000 shares; issued and outstanding 55,147; 55,121	90,105	88,705
Additional paid-in capital	4,812	3,804
Retained earnings	1,775,047	1,782,937
Total shareholders’ equity	1,869,964	1,875,446
Total liabilities and shareholders’ equity	$ 4,618,057	$ 4,600,289