CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Investments and cash:
Fixed maturities, available-for-sale, at fair value (amortized cost: 2012, $1,935,631; 2011, $1,816,710)	$ 2,024,429	$ 1,888,069
Equity securities, available-for-sale, at fair value (cost: 2012, $74,457; 2011, $73,567)	103,649	95,849
Short-term investments, at cost which approximates fair value	161,983	122,220
Cash	45,842	127,360
Total investments and cash	2,335,903	2,233,498
Premiums receivable	372,379	255,725
Prepaid reinsurance premiums	211,089	164,162
Reinsurance recoverable on paid losses	37,431	43,791
Reinsurance recoverable on unpaid losses and loss adjustment expenses	849,146	845,445
Deferred policy acquisition costs	64,509	63,984
Accrued investment income	14,079	14,492
Goodwill and other intangible assets	6,925	6,869
Current income tax receivable, net	13,032	15,391
Other assets	34,573	26,650
Total assets	3,939,066	3,670,007
Liabilities:
Reserves for losses and loss adjustment expenses	2,088,524	2,082,679
Unearned premiums	633,920	532,628
Reinsurance balances payable	144,078	108,699
Senior Notes	114,348	114,276
Deferred income tax, net	3,120	6,291
Accounts payable and other liabilities	113,268	21,999
Total liabilities	3,097,258	2,866,572
Stockholders' equity:
Preferred stock, $.10 par value, authorized 1,000,000 shares, none issued
Common stock, $.10 par value, authorized 50,000,000 shares, issued 17,522,949 shares for 2012 and 17,467,615 shares for 2011	1,752	1,746
Additional paid-in capital	324,956	322,133
Treasury stock, at cost (3,511,380 shares for 2012 and 2011)	(155,801)	(155,801)
Retained earnings	587,912	565,109
Accumulated other comprehensive income	82,989	70,248
Total stockholders' equity	841,808	803,435
Total liabilities and stockholders' equity	$ 3,939,066	$ 3,670,007