Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Assets
Fixed maturity investments trading, at fair value – amortized cost $7,470,003 at March 31, 2018 (December 31, 2017 – $7,434,870)	$ 7,404,761	$ 7,426,555
Short term investments, at fair value	1,616,597	991,863
Equity investments trading, at fair value	387,462	388,254
Other investments, at fair value	692,652	594,793
Investments in other ventures, under equity method	120,232	101,974
Total investments	10,221,704	9,503,439
Cash and cash equivalents	647,973	1,361,592
Premiums receivable	1,684,630	1,304,622
Prepaid reinsurance premiums	794,921	533,546
Reinsurance recoverable	1,572,321	1,586,630
Accrued investment income	43,069	42,235
Deferred acquisition costs	477,010	426,551
Receivable for investments sold	111,431	103,145
Other assets	127,571	121,226
Goodwill and other intangible assets	241,572	243,145
Total assets	15,922,202	15,226,131
Liabilities
Reserve for claims and claim expenses	4,912,727	5,080,408
Unearned premiums	1,961,746	1,477,609
Debt	989,995	989,623
Reinsurance balances payable	1,758,948	989,090
Payable for investments purchased	306,664	208,749
Other liabilities	130,505	792,771
Total liabilities	10,060,585	9,538,250
Commitments and Contingencies
Redeemable noncontrolling interests	1,425,364	1,296,506
Shareholders’ Equity
Preference shares: $1.00 par value – 16,000,000 shares issued and outstanding at March 31, 2018 (December 31, 2017 – 16,000,000)	400,000	400,000
Common shares: $1.00 par value – 40,245,556 shares issued and outstanding at March 31, 2018 (December 31, 2017 – 40,023,789)	40,246	40,024
Additional paid-in capital	38,552	37,355
Accumulated other comprehensive income	194	224
Retained earnings	3,957,261	3,913,772
Total shareholders’ equity attributable to RenaissanceRe	4,436,253	4,391,375
Total liabilities, noncontrolling interests and shareholders’ equity	$ 15,922,202	$ 15,226,131