Real Estate Assets Held for Sale and Dispositions (Tables)

3 Months Ended

Mar. 31, 2015

Discontinued Operations and Disposal Groups [Abstract]

Disclosure of Long Lived Assets Held-for-sale [Table Text Block]

The major classes of assets and liabilities of the properties held for sale as of March 31, 2015 were as follows:

Real estate assets and other assets held for sale	(in thousands)
Land and improvements	$	38,706
Buildings and improvements	198,125
Total real estate held for sale	236,831
Accumulated depreciation and amortization	(66,421		)
Total real estate held for sale, net	170,410
Current receivables, net	185
Deferred rent receivables, net	7,285
Deferred leasing costs and acquisition-related intangible assets, net	12,364
Prepaid expenses and other assets, net	507
Real estate and other assets held for sale, net	$	190,751
Liabilities and deferred revenue of real estate assets held for sale
Accounts payable, accrued expenses and other liabilities	$	7,376
Deferred revenue and acquisition-related intangible liabilities, net	1,367
Rents received in advance and tenant security deposits	1,025
Liabilities and deferred revenue of real estate assets held for sale	$	9,768

As ofMarch 31, 2015, the following operating properties were classified as held for sale:

Location	City/Submarket	Property Type	Number of Buildings	Rentable Square Feet
15050 NE 36th Street	Redmond, WA	Office	1	122,103
San Diego Properties (1)	Sorrento Mesa, CA	Office	9	922,741
Total properties held for sale			10	1,044,844