Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Investments, at fair value:
Fixed maturity securities (amortized cost $2,823,230; $2,795,410)	$ 2,892,777	$ 2,814,553
Equity securities (cost $474,197; $331,770)	537,240	357,327
Short-term investments (cost $302,693; $375,700)	302,711	375,680
Total investments	3,732,728	3,547,560
Cash	291,413	220,318
Receivables:
Premiums	474,060	459,152
Accrued investment income	39,368	41,205
Other	6,658	11,329
Total receivables	520,086	511,686
Reinsurance recoverables	56,349	13,306
Deferred policy acquisition costs	198,151	200,826
Fixed assets, net	145,223	155,910
Current income taxes	61,257	0
Deferred income taxes	0	45,277
Goodwill	42,796	42,796
Other intangible assets, net	20,728	25,625
Other assets	32,592	25,414
Total assets	5,101,323	4,788,718
Liabilities
Loss and loss adjustment expense reserves	1,510,613	1,290,248
Unearned premiums	1,101,927	1,074,437
Notes payable	371,335	320,000
Accounts payable and accrued expenses	108,252	112,334
Current income taxes	0	9,962
Deferred income taxes	22,932	0
Other liabilities	224,877	229,335
Total liabilities	3,339,936	3,036,316
Commitments and contingencies
Shareholders’ equity:
Authorized 70,000 shares; issued and outstanding 55,332; 55,289	97,523	95,529
Retained earnings	1,663,864	1,656,873
Total shareholders’ equity	1,761,387	1,752,402
Total liabilities and shareholders’ equity	$ 5,101,323	$ 4,788,718