Unconsolidated Investees (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Earnings (loss) from unconsolidated property funds:
Total unconsolidated property funds	$ 133,143	$ 124,164	$ 118,969
Unconsolidated property funds [Member]
Earnings (loss) from unconsolidated property funds:
Earnings from unconsolidated investees, net	49,326	10,548	24,908
Fees paid to Prologis	127,200	116,751	118,969
Unconsolidated property funds [Member] | Development management and other income - Europe [Member]
Earnings (loss) from unconsolidated property funds:
Fees paid to Prologis	5,943	7,413
Europe [Member] | Unconsolidated property funds [Member]
Earnings (loss) from unconsolidated property funds:
Earnings from unconsolidated investees, net	25,709	28,024	33,141
Fees paid to Prologis	45,758	54,834	50,814
Asia [Member] | Unconsolidated property funds [Member]
Earnings (loss) from unconsolidated property funds:
Earnings from unconsolidated investees, net	908	(4,233)	3,852
Fees paid to Prologis	14,149	758	2,542
Americas [Member] | Unconsolidated property funds [Member]
Earnings (loss) from unconsolidated property funds:
Earnings from unconsolidated investees, net	22,709	(13,243)	(12,085)
Fees paid to Prologis	$ 67,293	$ 61,159	$ 65,613