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Commitments (Tables)

12 Months Ended

Dec. 31, 2011

Office buildings and industrial properties

Commitments

Schedule of future minimum lease payments

(in thousands)		Year ending December 31,
2012		$	107,788
2013		105,032
2014		101,659
2015		86,968
2016		78,264
Thereafter (2017-2023)		193,637
		$	673,348

Corporate office space

Commitments

Schedule of future minimum lease payments

(in thousands)		Year ending December 31,
2012		$	355
2013		405
2014		417
2015		424
2016		428
Thereafter		324
		$	2,353

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- Definition

Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Topic 840

-SubTopic 20

-Publisher FASB

-Number

-Article

-Subparagraph

-Name Accounting Standards Codification

-Paragraph 2

-Section 50

-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717

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