Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
ASSETS:
Fixed maturities - available for sale (amortized cost: 2022, $22,693,029; 2021, $22,063,582, credit allowances: 2022, $(41,591); 2021, $(29,738))	$ 21,998,415	$ 22,308,272
Equity securities, at fair value	1,780,526	1,825,908
Short-term investments (cost: 2022, $823,889; 2021, $178,386)	823,875	1,178,337
Other invested assets	2,917,039	2,919,965
Cash	1,778,218	1,440,861
Total investments and cash	29,298,073	29,673,343
Accrued investment income	156,997	149,105
Premiums receivable	3,264,023	3,293,598
Reinsurance recoverables	2,101,641	2,053,354
Funds held by reinsureds	920,054	868,601
Deferred acquisition costs	842,739	872,289
Prepaid reinsurance premiums	496,632	515,445
Income taxes	117,609	2,381
Other assets	789,014	757,167
TOTAL ASSETS	37,986,782	38,185,283
LIABILITIES:
Reserve for losses and loss adjustment expenses	19,495,637	19,009,486
Future policy benefit reserve	34,523	35,669
Unearned premium reserve	4,571,705	4,609,634
Funds held under reinsurance treaties	4,732	18,391
Other net payable to reinsurers	464,000	449,723
Losses in course of payment	133,888	260,684
Senior notes	2,346,147	2,345,800
Long term notes	223,799	223,774
Borrowings from FHLB	519,000	519,000
Accrued interest on debt and borrowings	38,843	17,348
Unsettled securities payable	67,698	16,698
Other liabilities	559,181	539,896
Total liabilities	28,459,153	28,046,103
Commitments and contingencies (Note 7)
SHAREHOLDERS' EQUITY:
Preferred shares, par value: $0.01; 50,000 shares authorized; no shares issued and outstanding
Common shares, par value: $0.01; 200,000 shares authorized; (2022) 69,977 and (2021) 69,790 outstanding before treasury shares	700	698
Additional paid-in capital	2,271,890	2,274,431
Accumulated other comprehensive income (loss), net of deferred income tax expense (benefit) of $(89,926) at 2022 and $26,781 at 2021	(832,820)	11,523
Treasury shares, at cost; 30,529 shares (2022) and 30,524 shares (2021)	(3,848,630)	(3,847,308)
Retained earnings	11,936,489	11,699,836
Total shareholders' equity	9,527,629	10,139,180
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 37,986,782	$ 38,185,283