Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

Finite-Lived Intangible Assets [Line Items]

Balances of major classes of depreciable assets and their respective estimated useful lives

Balances of major classes of depreciable assets (in thousands) and their respective estimated useful lives are:

		December 31,
Asset Category	Estimated Useful Life	2013		2012
Land	Non-depreciable	$	278,780	$	159,039
Buildings and garages	40 years	1,973,668		1,369,493
Building improvements	7 to 40 years	78,450		65,328
Tenant improvements	Lesser of useful life or term of lease	217,138		168,706
		$	2,548,036	$	1,762,566

Computation of diluted EPS

The computation of diluted EPS is as follows:

	Year Ended
	December 31,
	2013			2012			2011
	(in thousands, except per share data)
Numerator:
Basic and diluted net loss
attributable to common stockholders	$	(29,687	)	$	(51,249	)	$	(136,955	)
Denominator:
Basic and diluted weighted average shares	66,336			31,542			21,497
Diluted net loss per share attributable to
common stockholders	$	(0.45	)	$	(1.62	)	$	(6.37	)

Above and Below Market Leases

Finite-Lived Intangible Assets [Line Items]

Projected amortization expense for leases

As of December 31, 2013, the remaining amortization of net below market leases is projected as a net increase to rental income as follows (in thousands):

	Amount
2014	$	11,613
2015	7,385
2016	6,997
2017	6,121
2018	3,661
Thereafter	11,134
Total	46,911

Lease In Place Value

Finite-Lived Intangible Assets [Line Items]

Projected amortization expense for leases

As of December 31, 2013, the remaining amortization expense for the value of in-place leases is projected as follows (in thousands):

	Amount
2014	$	45,520
2015	26,386
2016	21,260
2017	15,175
2018	9,108
Thereafter	19,128
Total	136,577