CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Investment portfolio:
Fixed income, available-for-sale, at fair value (amortized cost 2022 - $6,087,857; 2021 - $6,397,658)	$ 5,712,820	$ 6,587,581
Equity securities, at fair value (cost 2022 - $15,986; 2021 - $15,838)	14,481	16,068
Other invested assets, at cost	850	3,100
Total investment portfolio	5,728,151	6,606,749
Cash and cash equivalents	410,188	284,690
Restricted cash and cash equivalents	9,073	20,268
Accrued investment income	51,635	51,902
Reinsurance recoverable on loss reserves	53,958	66,905
Reinsurance recoverable on paid losses	310	36,275
Premiums receivable	57,547	56,540
Home office and equipment, net	45,072	45,614
Deferred insurance policy acquisition costs	21,003	21,671
Deferred income taxes, net	75,617	0
Other assets	147,053	134,394
Total assets	6,599,607	7,325,008
Liabilities:
Loss reserves	727,178	883,522
Unearned premiums	217,739	241,690
Federal Home Loan Bank advance	0	155,000
Senior notes	882,572	881,508
Convertible junior subordinated debentures	35,339	110,204
Other liabilities	163,760	191,702
Total liabilities	2,026,588	2,463,626
Contingencies
Shareholders’ equity:
Common stock (one dollar par value, shares authorized 1,000,000; shares issued 2022 - 371,353; 2021 - 371,353; shares outstanding 2022 - 305,436; 2021 - 320,336)	371,353	371,353
Paid-in capital	1,791,380	1,794,906
Treasury stock at cost (shares 2022 - 65,917; 2021 - 51,017)	(887,959)	(675,265)
Accumulated other comprehensive income (loss), net of tax	(325,738)	119,697
Retained earnings	3,623,983	3,250,691
Total shareholders’ equity	4,573,019	4,861,382
Total liabilities and shareholders’ equity	$ 6,599,607	$ 7,325,008