Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Investments:
Fixed maturities, available for sale, at fair value (amortized cost: $1,192,357 and $1,175,413)	$ 1,228,040	$ 1,161,862
Equity securities, at fair value (cost: $151,121 and $142,948)	177,637	148,011
Other invested assets	37,278	23,481
Total investments	1,442,955	1,333,354
Cash and cash equivalents	44,407	37,582
Accounts receivable, net of allowance for doubtful accounts	193,369	190,062
Receivable for securities sold	1,784	1,039
Accrued investment income	8,404	8,420
Taxes recoverable	1,003
Receivable from reinsurers related to paid loss and loss adjustment expenses	11,319	13,691
Receivable from reinsurers related to unpaid loss and loss adjustment expenses	122,372	108,398
Ceded unearned premiums	35,182	33,974
Deferred policy acquisition costs	74,287	73,355
Deferred income taxes		8,749
Equity and deposits in pools	29,791	28,094
Operating lease right-of-use-assets	33,998
Other assets	23,798	19,522
Total assets	2,022,669	1,856,240
Liabilities
Loss and loss adjustment expense reserves	610,566	584,719
Unearned premium reserves	442,219	435,380
Accounts payable and accrued liabilities	75,016	71,896
Payable for securities purchased	6,377	5,156
Payable to reinsurers	12,911	12,220
Deferred income taxes	5,717
Taxes payable		6,090
Operating lease liabilities	33,998
Other liabilities	27,459	22,135
Total liabilities	1,214,263	1,137,596
Commitments and contingencies (Note 7)
Shareholders' equity
Common stock: $0.01 par value; 30,000,000 shares authorized; 17,662,779 and 17,566,180 shares issued	177	176
Additional paid-in capital	202,321	196,292
Accumulated other comprehensive income (loss), net of taxes	28,190	(10,706)
Retained earnings	661,553	616,717
Treasury stock, at cost: 2,279,570 shares	(83,835)	(83,835)
Total shareholders' equity	808,406	718,644
Total liabilities and shareholders' equity	$ 2,022,669	$ 1,856,240