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Investments in Unconsolidated Joint Ventures - Balance Sheet footnotes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Investments in unconsolidated joint ventures:
Total assets	$ 8,345,655	$ 9,184,005
Liabilities	5,169,506	6,738,745
Joint venture
Investments in unconsolidated joint ventures:
Amortization of difference between cost of investments and book value of underlying equity	10,276	13,168	$ 18,834
Joint venture | Pacific Premier Retail LLC—Various Properties | PPR Portfolio
Investments in unconsolidated joint ventures:
Total assets	2,789,568	2,857,757
Liabilities	$ 1,661,110	$ 1,687,042

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