Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flows from operating activities:
Net income	$ 48,499	$ 8,942
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization, net	10,691	9,196
Provision for deferred income taxes	550	168
Net realized gains on investments	(1,226)	(2,702)
Changes in assets and liabilities:
Accounts receivable	(26,190)	(18,477)
Accrued investment income	77	851
Receivable from reinsurers	(5,577)	(3,285)
Ceded unearned premiums	(990)	(173)
Deferred policy acquisition costs	(7,189)	(6,683)
Other assets	1,835	1,746
Loss and loss adjustment expense reserves	9,769	(6,054)
Unearned premium reserves	41,875	39,112
Accounts payable and accrued liabilities	(3,312)	(15,267)
Payable to reinsurers	9,539	5,393
Other liabilities	(1,951)	7,704
Net cash provided by operating activities	76,400	20,471
Cash flows from investing activities:
Fixed maturities purchased	(234,335)	(260,405)
Equity securities purchased	(8,343)	(12,512)
Proceeds from sales and paydowns of fixed maturities	132,576	200,728
Proceeds from maturities, redemptions, and calls of fixed maturities	48,014	74,162
Proceed from sales of equity securities	7,939	6,235
Fixed assets purchased	(2,987)	(2,828)
Net cash (used for) provided by investing activities	(57,136)	5,380
Cash flows from financing activities:
Proceeds from stock options exercised	1,028	900
Excess tax expense from stock options exercised	(44)	(4)
Dividends paid to shareholders	(24,441)	(22,729)
Acquisition of treasury stock	0	(43)
Net cash used for financing activities	(23,457)	(21,876)
Net (decrease) increase in cash and cash equivalents	(4,193)	3,975
Cash and cash equivalents at beginning of year	37,890	40,291
Cash and cash equivalents at end of period	$ 33,697	$ 44,266