Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenues
Gross premiums written	$ 2,025,721	$ 1,564,295
Net premiums written	1,269,808	929,031
Increase in unearned premiums	(356,710)	(379,003)
Net premiums earned	913,098	550,028
Net investment income	99,473	82,094
Net foreign exchange losses	(5,728)	(2,846)
Equity in earnings of other ventures	4,564	4,661
Other (loss) income	(4,436)	3,171
Net realized and unrealized (losses) gains on investments	(110,707)	170,013
Total revenues	896,264	807,121
Expenses
Net claims and claim expenses incurred	570,954	227,035
Acquisition expenses	210,604	123,951
Operational expenses	67,461	44,933
Corporate expenses	15,991	38,789
Interest expense	14,927	11,754
Total expenses	879,937	446,462
Income before taxes	16,327	360,659
Income tax benefit (expense)	8,846	(7,531)
Net income	25,173	353,128
Net income attributable to redeemable noncontrolling interests	(98,091)	(70,222)
Net (loss) income attributable to RenaissanceRe	(72,918)	282,906
Dividends on preference shares	(9,056)	(9,189)
Net (loss) income (attributable) available to RenaissanceRe common shareholders	$ (81,974)	$ 273,717
Net (loss) income (attributable) available to RenaissanceRe common shareholders per common share – basic	$ (1.89)	$ 6.43
Net (loss) income (attributable) available to RenaissanceRe common shareholders per common share – diluted	(1.89)	6.43
Dividends per common share (in dollars per share)	$ 0.35	$ 0.34