Consolidated Balance Sheets Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Investments:
Debt Securities, Available-for-Sale and Held-to-Maturity, after Allowance for Credit Loss	$ 22,663,878	$ 20,178,308
Investment funds	1,607,381	1,621,655
Real estate	1,297,314	1,249,874
Equity securities	1,048,126	1,090,347
Arbitrage trading account	820,928	938,049
Loans receivable (net of allowance for expected credit losses of $1,425 and $3,004 at September 30, 2024 and December 31, 2023, respectively)	389,869	201,271
Total investments	27,827,496	25,279,504
Cash and cash equivalents	1,573,238	1,363,195
Premiums and fees receivable (net of allowance for expected credit losses of $38,071 and $35,110 at September 30, 2024 and December 31, 2023, respectively)	3,414,385	3,109,334
Due from reinsurers (net of allowance for expected credit losses of $8,332 and $8,404 at September 30, 2024 and December 31, 2023, respectively)	3,478,354	3,534,527
Deferred policy acquisition costs	957,997	861,609
Prepaid reinsurance premiums	830,797	758,927
Trading account receivables from brokers and clearing organizations	410,756	303,614
Property, furniture and equipment	478,361	426,803
Goodwill	184,089	174,597
Accrued investment income	234,084	213,408
Current and deferred federal and foreign income taxes	131,209	220,756
Other assets	838,532	865,556
Total assets	40,359,298	37,111,830
Liabilities:
Reserves for losses and loss expenses	20,155,310	18,739,652
Unearned premiums	6,489,597	5,922,326
Due to reinsurers	727,074	631,164
Trading account securities sold but not yet purchased	36,093	9,357
Other liabilities	1,674,405	1,503,053
Senior notes and other debt	1,827,788	1,827,951
Subordinated debentures	1,009,629	1,009,090
Total liabilities	31,919,896	29,642,593
Equity:
Perferred stock, par value $.10 per share: Authorized 5,000,000 shares; issued and outstanding - none	0	0
Common stock, par value $.20 per share: Authorized 500,000,000 shares, issued and outstanding, net of treasury shares, 177,930,502 and 183,411,907 shares, respectively	158,705	158,705
Additional paid-in capital	973,032	964,789
Retained earnings	11,909,408	11,040,908
Accumulated other comprehensive loss	(603,144)	(925,838)
Treasury stock, at cost, 412,331,903 and 408,704,807 shares, respectively	(4,011,737)	(3,783,133)
Total stockholders’ equity	8,426,264	7,455,431
Noncontrolling interests	13,138	13,806
Total equity	8,439,402	7,469,237
Total liabilities and equity	$ 40,359,298	$ 37,111,830