Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Investments: Securities available for sale:
Fixed maturities, at fair value (amortized cost: $1,155,466 and $1,142,663)	$ 1,177,631	$ 1,154,269
Equity securities, at fair value (cost: $87,580 and $92,326)	105,987	105,095
Other invested assets	27,893	21,142
Total investments	1,311,511	1,280,506
Cash and cash equivalents	31,934	20,052
Accounts receivable, net of allowance for doubtful accounts	205,835	187,696
Receivable for securities sold	2,495	7,098
Accrued investment income	9,674	8,858
Taxes recoverable	3,849
Receivable from reinsurers related to paid loss and loss adjustment expenses	42,865	29,504
Receivable from reinsurers related to unpaid loss and loss adjustment expenses	92,942	83,724
Ceded unearned premiums	30,578	28,585
Deferred policy acquisition costs	76,458	70,996
Deferred income taxes		3,083
Equity and deposits in pools	30,934	24,675
Other assets	15,535	13,469
Total assets	1,854,610	1,758,246
Liabilities
Loss and loss adjustment expense reserves	577,637	560,321
Unearned premium reserves	451,119	418,033
Accounts payable and accrued liabilities	51,290	66,805
Payable for securities purchased	14,860	5,564
Payable to reinsurers	29,013	13,502
Deferred income taxes	6,412
Taxes payable		1,110
Other liabilities	21,440	22,185
Total liabilities	1,151,771	1,087,520
Commitments and contingencies (Note 7)
Shareholders' equity
Common stock: $0.01 par value; 30,000,000 shares authorized; 17,499,544 and 17,430,189 shares issued	175	174
Additional paid-in capital	188,576	184,549
Accumulated other comprehensive income, net of taxes	26,371	15,843
Retained earnings	571,552	553,995
Treasury stock, at cost: 2,279,570 shares	(83,835)	(83,835)
Total shareholders' equity	702,839	670,726
Total liabilities and shareholders' equity	$ 1,854,610	$ 1,758,246