Unaudited Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
ASSETS:
Fixed maturity investments trading, at fair value (amortized cost: 2014: $6,074,752; 2013: $6,065,350)	$ 6,128,237	$ 6,100,798
Equity securities trading, at fair value (cost: 2014: $901,300; 2013: $647,301)	945,076	699,846
Other invested assets	929,201	911,392
Total investments	8,002,514	7,712,036
Cash and cash equivalents	831,270	531,936
Restricted cash	178,958	149,393
Insurance balances receivable	926,183	664,731
Funds held	405,703	632,430
Prepaid reinsurance	376,651	340,992
Reinsurance recoverable	1,349,009	1,234,504
Accrued investment income	30,554	32,236
Net deferred acquisition costs	171,827	126,661
Goodwill	278,085	268,376
Intangible assets	46,931	48,831
Balances receivable on sale of investments	60,122	76,544
Net deferred tax assets	41,312	37,469
Other assets	110,449	89,691
Total assets	12,809,568	11,945,830
LIABILITIES:
Reserve for losses and loss expenses	6,052,263	5,766,529
Unearned premiums	1,716,927	1,396,256
Reinsurance balances payable	203,428	173,023
Balances due on purchases of investments	166,026	104,740
Senior notes	798,725	798,499
Dividends payable	21,686	16,732
Accounts payable and accrued liabilities	176,914	170,225
Total liabilities	9,135,969	8,426,004
Commitments and contingencies
SHAREHOLDERS’ EQUITY:
Common shares: 2014: par value CHF 4.10 per share and 2013: par value CHF 4.10 per share (2014: 100,775,256; 2013: 103,477,452 shares issued and 2014: 96,382,238; 2013: 100,253,646 shares outstanding)	407,990	418,988
Treasury shares, at cost (2014: 4,393,018; 2013: 3,223,806)	(134,633)	(79,992)
Retained earnings	3,400,242	3,180,830
Total shareholders’ equity	3,673,599	3,519,826
Total liabilities and shareholders’ equity	$ 12,809,568	$ 11,945,830