Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2017

Segment Reporting, Measurement Disclosures [Abstract]

Schedule Of Significant Components Of The Company's Revenues And Expenses

A summary of the significant components of the Company’s revenues and expenses is as follows:

Three months ended March 31, 2017	Property			Casualty and Specialty			Other			Total
Gross premiums written	$	520,529		$	401,561		$	—		$	922,090
Net premiums written	$	289,871		$	254,265		$	—		$	544,136
Net premiums earned	$	186,988		$	179,059		$	(2	)	$	366,045
Net claims and claim expenses incurred	38,838			154,571			(328		)	193,081
Acquisition expenses	29,103			54,179			—			83,282
Operational expenses	27,665			19,607			11			47,283
Underwriting income (loss)	$	91,382		$	(49,298	)	$	315		42,399
Net investment income							54,325			54,325
Net foreign exchange gains							8,165			8,165
Equity in losses of other ventures							(1,507		)	(1,507		)
Other income							1,665			1,665
Net realized and unrealized gains on investments							43,373			43,373
Corporate expenses							(5,286		)	(5,286		)
Interest expense							(10,526		)	(10,526		)
Income before taxes and redeemable noncontrolling interests										132,608
Income tax expense							(334		)	(334		)
Net income attributable to redeemable noncontrolling interests							(34,327		)	(34,327		)
Dividends on preference shares							(5,595		)	(5,595		)
Net income available to RenaissanceRe common shareholders										$	92,352
Net claims and claim expenses incurred – current accident year	$	39,766		$	124,309		$	—		$	164,075
Net claims and claim expenses incurred – prior accident years	(928		)	30,262			(328		)	29,006
Net claims and claim expenses incurred – total	$	38,838		$	154,571		$	(328	)	$	193,081
Net claims and claim expense ratio – current accident year	21.3		%	69.4		%				44.8		%
Net claims and claim expense ratio – prior accident years	(0.5		)%	16.9		%				7.9		%
Net claims and claim expense ratio – calendar year	20.8		%	86.3		%				52.7		%
Underwriting expense ratio	30.3		%	41.2		%				35.7		%
Combined ratio	51.1		%	127.5		%				88.4		%

Three months ended March 31, 2016	Property			Casualty and Specialty			Other			Total
Gross premiums written	$	444,959		$	417,174		$	—		$	862,133
Net premiums written	$	232,859		$	278,816		$	—		$	511,675
Net premiums earned	$	175,232		$	178,374		$	—		$	353,606
Net claims and claim expenses incurred	21,804			104,883			(82		)	126,605
Acquisition expenses	20,124			45,468			—			65,592
Operational expenses	28,657			27,518			60			56,235
Underwriting income	$	104,647		$	505		$	22		105,174
Net investment income							28,863			28,863
Net foreign exchange losses							(1,692		)	(1,692		)
Equity in earnings of other ventures							1,611			1,611
Other income							4,079			4,079
Net realized and unrealized gains on investments							61,653			61,653
Corporate expenses							(8,225		)	(8,225		)
Interest expense							(10,538		)	(10,538		)
Income before taxes and redeemable noncontrolling interests										180,925
Income tax expense							(2,744		)	(2,744		)
Net income attributable to noncontrolling interests							(44,591		)	(44,591		)
Dividends on preference shares							(5,595		)	(5,595		)
Net income available to RenaissanceRe common shareholders										$	127,995
Net claims and claim expenses incurred – current accident year	$	27,732		$	100,477		$	—		$	128,209
Net claims and claim expenses incurred – prior accident years	(5,928		)	4,406			(82		)	(1,604		)
Net claims and claim expenses incurred – total	$	21,804		$	104,883		$	(82	)	$	126,605
Net claims and claim expense ratio – current accident year	15.8		%	56.3		%				36.3		%
Net claims and claim expense ratio – prior accident years	(3.4		)%	2.5		%				(0.5		)%
Net claims and claim expense ratio – calendar year	12.4		%	58.8		%				35.8		%
Underwriting expense ratio	27.9		%	40.9		%				34.5		%
Combined ratio	40.3		%	99.7		%				70.3		%