Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Investments:
Fixed maturities, available-for-sale, at fair value (amortized cost: 2015: $2,400,245; 2014: $2,323,959)	$ 2,414,210	$ 2,365,934
Equity securities, available-for-sale, at fair value (cost: 2015: $281,943; 2014: $154,843)	305,271	184,295
Short-term investments, at fair value (amortized cost: 2015: $217,743; 2014: $179,527)	217,745	179,506
Total investments	2,937,226	2,729,735
Cash	69,901	90,751
Premiums receivable	276,616	342,479
Prepaid reinsurance premiums	232,588	237,851
Reinsurance recoverable on paid losses	49,506	51,347
Reinsurance recoverable on unpaid losses and loss adjustment expenses	809,518	851,498
Deferred policy acquisition costs	91,983	79,452
Accrued investment income	16,001	14,791
Goodwill and other intangible assets	6,807	7,013
Current income tax receivable, net	22,323	14,549
Deferred income tax, net	3,900
Other assets	67,643	56,719
Total assets	4,584,012	4,476,185
Liabilities:
Reserves for losses and loss adjustment expenses	2,202,644	2,159,634
Unearned premiums	820,676	766,167
Reinsurance balances payable	107,411	152,774
Senior notes	263,580	263,440
Deferred income tax, net		1,467
Payable for investments purchased	1,495	134
Accounts payable and other liabilities	92,058	105,345
Total liabilities	$ 3,487,864	$ 3,448,961
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 17,942,269 shares for 2015 and 17,792,846 shares for 2014	$ 1,793	$ 1,778
Additional paid-in capital	357,829	347,022
Treasury stock, at cost (3,511,380 shares for 2015 and 2014)	(155,801)	(155,801)
Retained earnings	868,723	787,666
Accumulated other comprehensive income	23,604	46,559
Total stockholders' equity	1,096,148	1,027,224
Total liabilities and stockholders' equity	$ 4,584,012	$ 4,476,185