Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Assets
Fixed maturity investments trading, at fair value - amortized cost $15,038,551 at December 31, 2022 (2021 - $13,552,579) (Notes 4 and 5)	$ 14,351,402	$ 13,507,131
Short term investments, at fair value - amortized cost $4,671,581 at December 31, 2022 (2021 - $5,298,385) (Notes 4 and 5)	4,669,272	5,298,385
Equity investments, at fair value (Notes 4 and 5)	625,058	546,016
Other investments, at fair value (Notes 4 and 5)	2,494,954	1,993,059
Investments in other ventures, under equity method (Note 4)	79,750	98,068
Total investments	22,220,436	21,442,659
Cash and cash equivalents	1,194,339	1,859,019
Premiums receivable (Note 6)	5,139,471	3,781,542
Prepaid reinsurance premiums (Note 6)	1,021,412	854,722
Reinsurance recoverable (Notes 6 and 7)	4,710,925	4,268,669
Accrued investment income	121,501	55,740
Deferred acquisition costs	1,171,738	849,160
Receivable for investments sold	350,526	380,442
Other assets	384,702	224,053
Goodwill and other intangible assets (Note 3)	237,828	243,496
Total assets	36,552,878	33,959,502
Liabilities
Reserve for claims and claim expenses (Note 7)	15,892,573	13,294,630
Unearned premiums	4,559,107	3,531,213
Debt (Note 8)	1,170,442	1,168,353
Reinsurance balances payable	3,928,281	3,860,963
Payable for investments purchased	493,776	1,170,568
Other liabilities	648,036	755,441
Total liabilities	26,692,215	23,781,168
Commitments and Contingencies (Note 19)
Redeemable noncontrolling interests (Note 9)	4,535,389	3,554,053
Shareholders’ Equity (Note 11)
Preference shares: $1.00 par value – 30,000 shares issued and outstanding at December 31, 2022 (2021 – 30,000)	750,000	750,000
Common shares: $1.00 par value – 43,717,836 shares issued and outstanding at December 31, 2022 (2021 – 44,444,831)	43,718	44,445
Additional paid-in capital	475,647	608,121
Accumulated other comprehensive income (loss)	(15,462)	(10,909)
Retained earnings	4,071,371	5,232,624
Total shareholders’ equity attributable to RenaissanceRe	5,325,274	6,624,281
Total liabilities, noncontrolling interests and shareholders’ equity	$ 36,552,878	$ 33,959,502