Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
ASSETS
Fixed maturities (amortized cost of $9,669,656 in 2017 and $9,591,734 in 2016)	$ 10,053,492	$ 9,891,510
Equity securities (cost of $2,653,010 in 2017 and $2,481,448 in 2016)	5,340,827	4,745,841
Short-term investments (estimated fair value approximates cost)	1,704,416	2,336,151
Total Investments	17,098,735	16,973,502
Cash and cash equivalents	2,315,212	1,738,747
Restricted cash and cash equivalents	271,031	346,417
Receivables	1,589,444	1,241,649
Reinsurance recoverable on unpaid losses	2,007,652	2,006,945
Reinsurance recoverable on paid losses	53,128	64,892
Deferred policy acquisition costs	489,836	392,410
Prepaid reinsurance premiums	344,639	299,923
Goodwill	1,216,403	1,142,248
Intangible assets	806,585	722,542
Other assets	1,010,676	946,024
Total Assets	27,203,341	25,875,299
LIABILITIES AND EQUITY
Unpaid losses and loss adjustment expenses	10,312,695	10,115,662
Life and annuity benefits	1,061,298	1,049,654
Unearned premiums	2,712,597	2,263,838
Payables to insurance and reinsurance companies	259,801	231,327
Senior long-term debt and other debt (estimated fair value of $2,712,000 in 2017 and $2,721,000 in 2016)	2,485,671	2,574,529
Other liabilities	1,332,072	1,099,200
Total Liabilities	18,164,134	17,334,210
Redeemable noncontrolling interests	86,691	73,678
Commitments and contingencies
Shareholders' equity:
Common stock	3,376,230	3,368,666
Retained earnings	3,666,246	3,526,395
Accumulated other comprehensive income	1,911,933	1,565,866
Total Shareholders' Equity	8,954,409	8,460,927
Noncontrolling interests	(1,893)	6,484
Total Equity	8,952,516	8,467,411
Total Liabilities and Equity	$ 27,203,341	$ 25,875,299