UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows provided by (used in) operating activities:
Net income (loss)	$ 83,028	$ 73,671
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Total net realized (gains) losses on investments and net unrealized (gains) losses on investments, Trading - Life Funds Withheld Assets	(92,750)	(52,891)
Net realized and unrealized (gains) losses on derivative instruments	3,622	(16,521)
Amortization of premiums (discounts) on fixed maturities	47,505	35,998
(Income) loss from investment and operating affiliates	19,797	(45,467)
Share-based compensation	20,707	18,295
Depreciation and amortization	22,592	10,907
Accretion of deposit liabilities	12,055	10,044
Changes in:
Unpaid losses and loss expenses	330,160	77,832
Future policy benefit reserves	(59,858)	(49,279)
Funds withheld on GreyCastle life retrocession arrangements, net	(121,272)	(169,569)
Unearned premiums	1,148,149	655,733
Premiums receivable	(1,322,085)	(517,881)
Unpaid losses and loss expenses recoverable	(82,729)	(148,962)
Ceded unearned premiums	(436,332)	(146,049)
Reinsurance balances receivable	(49,781)	10,057
Deferred acquisition costs and value of business acquired	(156,373)	(72,340)
Reinsurance balances payable	460,982	84,261
Deferred tax asset - net	(7,945)	14,119
Derivatives	17,863	141,754
Other assets	(47,084)	(31,407)
Other liabilities	(155,826)	(94,545)
Other	(41,618)	17,851
Total adjustments	(254,141)	(38,693)
Net cash provided by (used in) operating activities	(171,113)	34,978
Cash flows provided by (used in) investing activities:
Proceeds from sale of fixed maturities and short-term investments	3,772,077	1,473,941
Proceeds from redemption of fixed maturities and short-term investments	949,221	1,053,739
Proceeds from sale of equity securities	62,895	189,473
Purchases of fixed maturities and short term investments	(4,325,679)	(2,835,304)
Purchases of equity securities	(55,411)	(94,141)
Proceeds from sale of affiliates	41,538	77,916
Purchases of affiliates	(247,049)	(29,037)
Purchase of Allied International Holdings, Inc., net of cash acquired	(69,745)	0
Change in restricted cash	(6,027)	0
Other, net	82,141	(32,141)
Net cash provided by (used in) investing activities	203,961	(195,554)
Cash flows provided by (used in) financing activities:
Proceeds from issuance of ordinary shares and exercise of stock options	491	1,772
Buybacks of ordinary shares	(355,901)	(1,966)
Dividends paid on ordinary shares	(57,861)	(40,922)
Distributions to non-controlling interests	(27,857)	(7,172)
Contributions from non-controlling interests	883	2,569
Proceeds from the issuance of debt	0	980,600
Deposit liabilities	(8,546)	(38,788)
Net cash provided by (used in) financing activities	(448,791)	896,093
Effects of exchange rate changes on foreign currency cash	(19,396)	(47,397)
Increase (decrease) in cash and cash equivalents	(435,339)	688,120
Cash and cash equivalents beginning of year	3,256,236	2,521,814
Cash and cash equivalents end of year	2,820,897	3,209,934
Life Funds Withheld Assets
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Net realized and unrealized (gains) losses on derivative instruments	$ 236,080	$ 229,367