Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Investments, at fair value:
Fixed maturity securities (amortized cost $2,795,410; $2,804,275)	$ 2,814,553	$ 2,880,003
Equity securities (cost $331,770; $313,528)	357,327	315,362
Short-term investments (cost $375,700; $185,353)	375,680	185,277
Total investments	3,547,560	3,380,642
Cash	220,318	264,221
Receivables:
Premiums	459,152	436,621
Accrued investment income	41,205	42,747
Other	24,635	21,925
Total receivables	524,992	501,293
Deferred policy acquisition costs	200,826	201,762
Fixed assets, net	155,910	157,131
Current income taxes	0	9,041
Deferred income taxes	45,277	23,231
Goodwill	42,796	42,796
Other intangible assets, net	25,625	31,702
Other assets	25,414	16,826
Total assets	4,788,718	4,628,645
Liabilities
Loss and loss adjustment expense reserves	1,290,248	1,146,688
Unearned premiums	1,074,437	1,049,314
Notes payable	320,000	290,000
Accounts payable and accrued expenses	112,334	122,571
Current income taxes	9,962	0
Other liabilities	229,335	199,187
Total liabilities	3,036,316	2,807,760
Commitments and contingencies
Shareholders’ equity:
Common stock without par value or stated value: Authorized 70,000 shares; issued and outstanding 55,289; 55,164	95,529	90,985
Additional paid-in capital	0	8,870
Retained earnings	1,656,873	1,721,030
Total shareholders’ equity	1,752,402	1,820,885
Total liabilities and shareholders’ equity	$ 4,788,718	$ 4,628,645