Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Investments:
Fixed maturities, available-for-sale, at fair value (amortized cost: 2016: $2,591,050; 2015: $2,400,245)	$ 2,660,417	$ 2,414,210
Equity securities, available-for-sale, at fair value (cost: 2016: $305,906; 2015: $281,943)	342,677	305,271
Other invested assets	2,021
Short-term investments, at fair value (amortized cost: 2016: $134,273; 2015: $217,743)	134,273	217,745
Total investments	3,139,388	2,937,226
Cash	147,515	69,901
Premiums receivable	320,429	276,616
Prepaid reinsurance premiums	222,891	232,588
Reinsurance recoverable on paid losses	73,331	49,506
Reinsurance recoverable on unpaid losses and loss adjustment expenses	787,917	809,518
Deferred policy acquisition costs	116,295	91,983
Accrued investment income	16,840	16,001
Goodwill and other intangible assets	6,568	6,807
Current income tax receivable, net	15,879	22,323
Deferred income tax, net		3,900
Other assets	50,343	67,643
Total assets	4,897,396	4,584,012
Liabilities:
Reserves for losses and loss adjustment expenses	2,268,127	2,202,644
Unearned premiums	897,975	820,676
Reinsurance balances payable	123,702	107,411
Senior notes	263,690	263,580
Deferred income tax, net	8,703
Payable for investments purchased	42,783	1,495
Accounts payable and other liabilities	88,135	92,058
Total liabilities	3,693,115	3,487,864
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 18,070,815 shares for 2016 and 17,942,269 shares for 2015	1,806	1,793
Additional paid-in capital	368,860	357,829
Treasury stock, at cost (3,511,380 shares for 2016 and 2015)	(155,801)	(155,801)
Retained earnings	927,239	868,723
Accumulated other comprehensive income	62,177	23,604
Total stockholders' equity	1,204,281	1,096,148
Total liabilities and stockholders' equity	$ 4,897,396	$ 4,584,012