CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Investments:
Fixed maturities, available for sale, at fair value (Amortized cost 2022: $12,176,473; 2021: $12,241,782 Allowance for expected credit losses 2022: $11,733; 2021: $313)	$ 11,326,894	$ 12,313,200
Fixed maturities, held to maturity, at amortized cost (Fair value 2022: $674,743; 2021: 445,033 Allowance for expected credit losses 2022: $nil; 2021: $nil)	698,351	446,016
Equity securities, at fair value (Cost 2022: $494,356; 2021: $528,864)	485,253	655,675
Mortgage loans, held for investment, at fair value (Allowance for expected credit losses 2022: $nil; 2021: $nil)	627,437	594,088
Other investments, at fair value	996,751	947,982
Equity method investments	148,288	146,293
Short-term investments, at fair value	70,310	31,063
Total investments	14,353,284	15,134,317
Cash and cash equivalents	751,415	844,592
Restricted cash and cash equivalents	423,238	473,098
Accrued interest receivable	94,418	64,350
Insurance and reinsurance premium balances receivable (Allowance for expected credit losses 2022: $9,521; 2021: $7,567)	2,733,464	2,622,676
Reinsurance recoverable on unpaid losses and loss expenses (Allowance for expected credit losses 2022: $30,715; 2021: $29,554)	5,831,172	5,017,611
Reinsurance recoverable on paid losses and loss expenses	539,676	642,215
Deferred acquisition costs	473,569	465,593
Prepaid reinsurance premiums	1,550,370	1,377,358
Receivable for investments sold	16,052	4,555
Goodwill	100,801	100,801
Intangible assets	197,800	208,717
Operating lease right-of-use assets	92,214	103,295
Other assets	438,338	309,792
Total assets	27,595,811	27,368,970
Liabilities
Reserve for losses and loss expenses	15,168,863	14,653,094
Unearned premiums	4,361,447	4,090,676
Insurance and reinsurance balances payable	1,522,764	1,324,620
Debt	1,312,314	1,310,975
Federal Home Loan Bank advances	81,388	0
Payable for investments purchased	19,693	31,543
Operating lease liabilities	102,577	119,512
Other liabilities	386,855	427,894
Total liabilities	22,955,901	21,958,314
Commitments and Contingencies
Shareholders' equity
Preferred shares	550,000	550,000
Common shares (shares issued 2022: 176,580; 2021: 176,580 shares outstanding 2022: 84,668; 2021: 84,774)	2,206	2,206
Additional paid-in capital	2,366,253	2,346,179
Accumulated other comprehensive income (loss)	(760,300)	56,536
Retained earnings	6,247,022	6,204,745
Treasury shares, at cost (2022: 91,912; 2021: 91,806)	(3,765,271)	(3,749,010)
Total shareholders’ equity	4,639,910	5,410,656
Total liabilities and shareholders’ equity	$ 27,595,811	$ 27,368,970