CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Investment portfolio:
Equity securities, at fair value (cost 2024 - $16,053; 2023 - $16,025)	$ 14,697	$ 14,771
Other invested assets, at cost	850	850
Total investment portfolio	5,688,261	5,738,734
Cash and cash equivalents	431,347	363,666
Restricted cash and cash equivalents	8,221	6,978
Accrued investment income	58,093	58,774
Reinsurance recoverable on loss reserves	39,200	33,302
Reinsurance recoverable on paid losses	555	9,896
Premiums receivable	56,033	58,499
Home office and equipment, net	37,614	38,755
Deferred insurance policy acquisition costs	13,846	14,591
Deferred income taxes, net	76,271	79,782
Other assets	125,805	135,403
Total assets	6,535,246	6,538,380
Liabilities:
Loss reserves	504,447	505,379
Unearned premiums	148,935	157,779
Senior notes	643,563	643,196
Other liabilities	135,958	160,009
Total liabilities	1,432,903	1,466,363
Contingencies
Shareholders’ equity:
Common stock	371,353	371,353
Paid-in capital	1,788,050	1,808,113
Treasury stock at cost	(1,466,224)	(1,384,293)
Accumulated other comprehensive income (loss), net of tax	(326,134)	(316,281)
Retained earnings	4,735,298	4,593,125
Total shareholders’ equity	5,102,343	5,072,017
Total liabilities and shareholders’ equity	6,535,246	6,538,380
Fixed income
Investment portfolio:
Fixed income available-for-sale	5,576,997	5,601,540
Short-Term Investments
Investment portfolio:
Fixed income available-for-sale	$ 95,717	$ 121,573