Unaudited Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Investments:
Fixed maturities	$ 425,660	$ 409,460
Equity securities	105,290	88,085
Limited partnerships	58,247	54,705
Short-term	3,293	3,675
Total Investments	592,490	555,925
Cash and cash equivalents	74,358	89,726
Accounts receivable	82,311	74,094
Reinsurance recoverable	128,447	138,404
Notes receivable from employees	0	1,302
Other assets	42,523	35,370
Current federal income taxes	0	3,354
Deferred federal income taxes	0	7,119
Total Assets	920,129	905,294
Liabilities and shareholders' equity
Reserves for losses and loss expenses	406,296	421,556
Reserves for unearned premiums	43,674	39,919
Short-term borrowings	10,000	10,000
Accounts payable and accrued expenses	123,305	114,758
Current federal income taxes	1,327	0
Deferred federal income taxes	819	0
Total Liabilities	585,421	586,233
Shareholders' equity:
Additional paid-in capital	48,772	48,751
Unrealized net gains on investments	34,257	26,592
Retained earnings	251,045	243,084
Shareholders' equity	334,708	319,061
Total liabilities and shareholders' equity	920,129	905,294
Class A Voting [Member]
Shareholders' equity:
Common stock	112	112
Class B Non-voting [Member]
Shareholders' equity:
Common stock	$ 522	$ 522