Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Assets
Fixed maturities, trading securities, at fair value (amortized cost: 2013, $13,110,735; 2012, $13,653,615)	$ 13,379,611	$ 14,395,315
Short-term investments, trading securities, at fair value (amortized cost: 2013, $29,392; 2012, $150,634)	29,379	150,552
Equities, trading securities, at fair value (cost: 2013, $1,086,846; 2012, $1,000,326)	1,172,855	1,094,002
Other invested assets	386,807	333,361
Total investments	14,968,652	15,973,230
Funds held - directly managed (cost: 2013, $828,646; 2012, $895,261)	842,415	930,741
Cash and cash equivalents, at fair value, which approximates amortized cost	1,261,540	1,121,705
Accrued investment income	172,794	184,315
Reinsurance balances receivable	2,477,340	1,991,991
Reinsurance recoverable on paid and unpaid losses	356,011	348,086
Funds held by reinsured companies	782,992	805,489
Deferred acquisition costs	676,084	568,391
Deposit assets	253,602	257,208
Net tax assets	54,346	25,098
Goodwill	456,380	456,380
Intangible assets	200,179	214,270
Other assets	68,245	103,528
Total assets	22,570,580	22,980,432
Liabilities
Unpaid losses and loss expenses	10,336,368	10,709,371
Policy benefits for life and annuity contracts	1,799,332	1,813,244
Unearned premiums	2,162,112	1,534,625
Other reinsurance balances payable	244,583	238,578
Deposit liabilities	247,960	252,217
Net tax liabilities	265,331	387,647
Accounts payable, accrued expenses and other	278,629	290,265
Debt related to senior notes	750,000	750,000
Debt related to capital efficient notes	70,989	70,989
Total liabilities	16,155,304	16,046,936
Shareholders' Equity
Common shares (par value $1.00; issued: 2013, 86,364,643 shares; 2012, 85,459,905 shares)	86,365	85,460
Preferred shares (par value $1.00; issued and outstanding: 2013, 34,150,000 shares and 2012, 35,750,000 shares; aggregate liquidation value: 2013, $853,750 and 2012, $893,750)	34,150	35,750
Additional paid-in capital	3,872,122	3,861,844
Accumulated other comprehensive (loss) income	(20,344)	10,597
Retained earnings	4,898,372	4,952,002
Common shares held in treasury, at cost (2013, 32,042,911 shares; 2012, 26,550,530 shares)	(2,503,708)	(2,012,157)
Total stockholders equity attributable to PartnerRe Ltd.	6,366,957	6,933,496
Noncontrolling interests	48,319	0
Total shareholders' equity	6,415,276	6,933,496
Total liabilities and shareholders' equity	$ 22,570,580	$ 22,980,432