Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows provided by operating activities
Net income	$ 25,173	$ 353,128
Adjustments to reconcile net income to net cash provided by operating activities
Amortization, accretion and depreciation	(4,405)	(3,606)
Equity in undistributed earnings of other ventures	7,398	5,965
Net realized and unrealized losses (gains) on investments	110,707	(170,013)
Change in:
Premiums receivable	(505,545)	(578,175)
Prepaid reinsurance premiums	(384,145)	(330,044)
Reinsurance recoverable	25,714	12,619
Deferred acquisition costs	(75,884)	(58,861)
Reserve for claims and claim expenses	22,358	(92,303)
Unearned premiums	714,939	709,046
Reinsurance balances payable	944,684	837,333
Other	(405,528)	(307,940)
Net cash provided by operating activities	475,466	377,149
Cash flows used in investing activities
Proceeds from sales and maturities of fixed maturity investments trading	3,661,294	4,600,808
Purchases of fixed maturity investments trading	(3,370,394)	(3,519,277)
Net purchases of equity investments trading	(44,514)	(4,601)
Net purchases of short term investments	(704,226)	(1,374,632)
Net purchases of other investments	(79,711)	(51,811)
Net purchases of investments in other ventures	(1,888)	(1,573)
Return of investment from investment in other ventures	9,157	11,250
Net purchase of TMR	0	(276,206)
Net cash used in investing activities	(530,282)	(616,042)
Cash flows (used in) provided by financing activities
Dividends paid – RenaissanceRe common shares	(15,359)	(14,469)
Dividends paid – preference shares	(9,056)	(9,189)
RenaissanceRe common share repurchases	(62,621)	0
Repayment of debt	(250,000)	0
Repayment of RenaissanceRe Revolving Credit Facility	0	200,000
Redemption of 6.08% Series C preference shares	(125,000)	0
Net third party redeemable noncontrolling interest share transactions	42,599	(16,847)
Taxes paid on withholding shares	(10,180)	(6,957)
Net cash (used in) provided by financing activities	(429,617)	152,538
Effect of exchange rate changes on foreign currency cash	1,581	(292)
Net decrease in cash and cash equivalents	(482,852)	(86,647)
Cash and cash equivalents, beginning of period	1,379,068	1,107,922
Cash and cash equivalents, end of period	$ 896,216	$ 1,021,275