Investments in Unconsolidated Joint Ventures - Combined Condensed Statements of Operations of Unconsolidated Joint Ventures (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Revenues:
Minimum rents	$ 67,522	$ 98,257
Percentage rents	1,623	2,051
Tenant recoveries	32,363	48,745
Other	7,590	9,619
Total revenues	109,098	158,672
Expenses:
Shopping center and operating expenses	42,178	55,170
Interest expense	20,383	37,499
Depreciation and amortization	29,670	34,923
Total operating expenses	92,231	127,592
Loss on remeasurement, sale or write down of assets, net		(104)
Net income	16,867	30,976
Company's equity in net income	8,274	13,769
Pacific Premier Retail LP
Revenues:
Minimum rents	0	26,080
Percentage rents	0	659
Tenant recoveries	0	11,740
Other	0	1,077
Total revenues	0	39,556
Expenses:
Shopping center and operating expenses	0	11,131
Interest expense	0	10,098
Depreciation and amortization	0	8,798
Total operating expenses	0	30,027
Loss on remeasurement, sale or write down of assets, net		(86)
Net income	0	9,443
Company's equity in net income	0	4,268
Tysons Corner LLC
Revenues:
Minimum rents	17,028	16,278
Percentage rents	329	424
Tenant recoveries	12,262	11,894
Other	593	687
Total revenues	30,212	29,283
Expenses:
Shopping center and operating expenses	9,948	10,159
Interest expense	8,129	7,830
Depreciation and amortization	5,450	4,602
Total operating expenses	23,527	22,591
Loss on remeasurement, sale or write down of assets, net		0
Net income	6,685	6,692
Company's equity in net income	3,006	1,758
Other Joint Ventures
Revenues:
Minimum rents	50,494	55,899
Percentage rents	1,294	968
Tenant recoveries	20,101	25,111
Other	6,997	7,855
Total revenues	78,886	89,833
Expenses:
Shopping center and operating expenses	32,230	33,880
Interest expense	12,254	19,571
Depreciation and amortization	24,220	21,523
Total operating expenses	68,704	74,974
Loss on remeasurement, sale or write down of assets, net		(18)
Net income	10,182	14,841
Company's equity in net income	$ 5,268	$ 7,743