CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Assets
Fixed maturities, available for sale, at fair value (Amortized cost 2017: $11,043,394; 2016: $11,523,316)	$ 11,086,386	$ 11,397,114
Equity securities, available for sale, at fair value (Cost 2017: $563,110; 2016: $597,366)	659,751	638,744
Mortgage loans, held for investment, at amortized cost and fair value	360,381	349,969
Other investments, at fair value	830,253	830,219
Equity method investments	108,597	116,000
Short-term investments, at amortized cost and fair value	15,282	127,461
Total investments	13,060,650	13,459,507
Cash and cash equivalents	1,350,613	1,039,494
Restricted cash and cash equivalents	280,514	202,013
Accrued interest receivable	68,023	74,971
Insurance and reinsurance premium balances receivable	2,968,096	2,313,512
Reinsurance recoverable on unpaid and paid losses	2,360,821	2,334,922
Deferred acquisition costs	562,774	438,636
Prepaid reinsurance premiums	734,129	556,344
Receivable for investments sold	9,357	14,123
Goodwill and intangible assets	87,206	85,049
Other assets	335,967	295,120
Total assets	21,818,150	20,813,691
Liabilities
Reserve for losses and loss expenses	10,787,575	9,697,827
Unearned premiums	3,521,063	2,969,498
Insurance and reinsurance balances payable	670,292	493,183
Senior notes	993,797	992,950
Payable for investments purchased	122,065	62,550
Other liabilities	268,659	325,313
Total liabilities	16,363,451	14,541,321
Shareholders’ equity
Preferred shares	775,000	1,126,074
Common shares (2017: 176,580; 2016: 176,580 shares issued and 2017: 83,157; 2016: 86,441 shares outstanding)	2,206	2,206
Additional paid-in capital	2,291,516	2,299,857
Accumulated other comprehensive income (loss)	141,613	(121,841)
Retained earnings	6,051,659	6,527,627
Treasury shares, at cost (2017: 93,423; 2016: 90,139 shares)	(3,807,295)	(3,561,553)
Total shareholders’ equity	5,454,699	6,272,370
Total liabilities and shareholders’ equity	$ 21,818,150	$ 20,813,691