Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Investments
Fixed maturity securities - available for sale, at fair value (amortized cost: 2015 - $6,132,246 and 2014 - $6,352,737)	$ 6,296,256	$ 6,610,368
Equity securities - available for sale, at fair value (cost: 2015 - $382,550 and 2014 - $291,070)	390,077	296,352
Short-term investments, at cost (approximates fair value)	283,420	258,186
Other investments (at fair value)	24,957	0
Total investments	6,994,710	7,164,906
Cash	81,864	102,093
Restricted cash and securities	114,229	119,010
Premium, claims and other receivables	925,827	553,027
Reinsurance recoverables	1,165,211	1,168,900
Ceded unearned premium	371,138	316,715
Ceded life and annuity benefits	48,114	48,499
Deferred policy acquisition costs	260,273	220,321
Goodwill	952,130	905,636
Other assets	227,434	115,239
Total assets	11,140,930	10,714,346
LIABILITIES
Loss and loss adjustment expense payable	3,660,488	3,728,085
Life and annuity policy benefits	48,114	48,499
Reinsurance, premium and claims payable	456,747	301,476
Unearned premium	1,471,835	1,198,930
Deferred ceding commissions	117,530	94,202
Notes payable	909,328	824,251
Accounts payable and accrued liabilities	560,766	615,552
Total liabilities	7,224,808	6,810,995
SHAREHOLDERS' EQUITY
Common stock, $1.00 par value; 250,000 shares authorized (shares issued: 2015 - 126,837 and 2014 - 126,472; outstanding: 2015 - 95,645 and 2014 - 96,521)	126,837	126,472
Additional paid-in capital	1,122,937	1,113,551
Retained earnings	3,578,315	3,441,424
Accumulated other comprehensive income	110,712	175,014
Treasury stock, at cost (shares: 2015 - 31,192 and 2014 - 29,951)	(1,022,679)	(953,110)
Total shareholders' equity	3,916,122	3,903,351
Total liabilities and shareholders' equity	$ 11,140,930	$ 10,714,346