Investment in Office Properties (Tables)

12 Months Ended

Dec. 31, 2012

Investment in Office and Parking Properties [Abstract]

Purchase price of office properties or additional office property interest acquired

	Cost
Market Location	(in thousands)
Charlotte, NC	$	397,349
Houston, TX		123,750
Phoenix, AZ		170,300
Tampa, FL		69,591
	$	760,990

Allocation of purchase price related to intangible assets and liabilities and weighted average amortization period

	Amount			Weighted Average Life
Land	$	43,600			N/	A
Buildings		580,616			40
Tenant improvements		59,698			6
Lease commissions		21,207			6
Lease in place value		54,575			6
Above market leases		14,728			15
Below market leases		(18,979	)		6
Other		3,001			3
Mortgage assumed		(58,694	)		3

Pro forma results of operations

	Year Ended
	December 31
	2012			2011
Revenues	$	274,698		$	229,930
Net loss attributable to common stockholders	$	(60,544	)	$	(162,291	)
Basic net loss attributable to common stockholders	$	(1.91	)	$	(7.55	)
Diluted net loss attributable to common stockholders	$	(1.91	)	$	(7.55	)

Obligations for tenant improvement allowances and lease inducement costs for lease in place and commitments for buildings

2013	$	4,754
2014		452
2015		-
2016		32
2017		-
Thereafter		272
Total	$	5,510

Minimum future operating lease payments

2013	$	315
2014		155
2015		59
2016		25
2017		13
Thereafter		2
Total	$	569

Future approximate minimum rental receipts under noncancelable leases

2013	$	220,198
2014		205,401
2015		187,702
2016		159,381
2017		124,827
Thereafter		353,797
Total	$	1,251,306

Future approximate minimum ground lease payments

2013	$	266
2014		267
2015		347
2016		268
2017		268
Thereafter		14,923
Total	$	16,339