Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
ASSETS
Fixed maturity securities (amortized cost $4,216,242; $4,226,790)	$ 4,094,703	$ 4,088,311
Equity securities (cost $649,151; $668,843)	670,491	699,552
Short-term investments (cost $190,991; $123,928)	189,991	122,937
Total investments	4,955,185	4,910,800
Cash	357,723	289,776
Receivables:
Premiums	590,617	571,910
Allowance for credit losses on premiums receivable	(5,400)	(5,800)
Premiums receivable, net of allowance for credit losses	585,217	566,110
Accrued investment income	55,597	52,474
Other	15,092	11,358
Total receivables	655,906	629,942
Reinsurance recoverables	27,538	25,895
Deferred policy acquisition costs	278,261	266,475
Fixed assets (net of accumulated depreciation $307,036; $332,938)	160,067	171,442
Operating lease right-of-use assets	18,775	20,183
Current income taxes	90,126	55,136
Deferred income taxes	44,660	42,903
Goodwill	42,796	42,796
Other intangible assets, net	8,772	9,212
Other assets	50,831	49,628
Total assets	6,690,640	6,514,188
Liabilities
Loss and loss adjustment expense reserves	2,720,007	2,584,910
Unearned premiums	1,632,390	1,545,639
Notes payable	448,529	398,330
Accounts payable and accrued expenses	165,331	151,686
Operating lease liabilities	20,114	21,924
Other liabilities	304,129	289,568
Total liabilities	5,290,500	4,992,057
Commitments and contingencies
Shareholders’ equity:
Common stock without par value or stated value: Authorized 70,000 shares; issued and outstanding 55,371; 55,371	98,947	98,947
Retained earnings	1,301,193	1,423,184
Total shareholders’ equity	1,400,140	1,522,131
Total liabilities and shareholders’ equity	$ 6,690,640	$ 6,514,188