Condensed Consolidated Balance Sheets (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Fixed income
Available-for-sale, at fair value	$ 1,211,759	$ 1,132,064
Held-to-maturity, at amortized cost	318,428	309,258
Trading, at fair value	8	15
Equity securities, at fair value	331,301	321,897
Short-term investments, at cost	155,970	39,787
Total investments	2,017,466	1,803,021
Accrued investment income	12,144	14,615
Premiums and reinsurance balances receivable	119,771	107,391
Ceded unearned premium	59,298	62,631
Reinsurance balances recoverable on unpaid losses	341,986	354,163
Deferred policy acquisition costs	95,365	74,435
Property and equipment	19,502	18,370
Investment in unconsolidated investees	51,258	43,358
Goodwill and intangibles	60,733	26,214
Other assets	16,840	10,394
TOTAL ASSETS	2,794,363	2,514,592
Liabilities:
Unpaid losses and settlement expenses	1,179,993	1,173,943
Unearned premiums	361,591	301,537
Reinsurance balances payable	22,687	23,851
Funds held	109,592	32,072
Income taxes-deferred	31,917	33,930
Bonds payable, long-term debt	100,000	100,000
Accrued expenses	55,165	42,436
Other liabilities	65,933	15,447
TOTAL LIABILITIES	1,926,878	1,723,216
Shareholders' Equity
Common stock ($1 par value) (32,542,327 shares issued at 9/30/11) (32,317,691 shares issued at 12/31/10)	32,542	32,318
Paid-in capital	222,756	215,066
Accumulated other comprehensive earnings	89,669	95,992
Retained earnings	915,517	834,375
Deferred compensation	8,745	6,474
Less: Treasury shares at cost (11,465,107 shares at 9/30/11) (11,353,151 shares at 12/31/10)	(401,744)	(392,849)
TOTAL SHAREHOLDERS' EQUITY	867,485	791,376
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 2,794,363	$ 2,514,592