Summary of Significant Accounting Policies - Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization on intangible asset	$ (48,100)
Intangible assets, net of accumulated amortization	688,029		210,026
Below-market leases, gross	77,884		0
Accumulated amortization on below market leases	(715)		0
Below-market leases, net of accumulated amortization	77,169	[1]	0	[1]
Total intangible lease liabilities, net	77,169		0
In-Place Leases [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	749,862		219,649
Accumulated amortization on intangible asset	(60,753)		(11,247)
Intangible assets, net of accumulated amortization	689,109		208,402
Above Market Leases [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	9,351		1,504
Accumulated amortization on intangible asset	(658)		(118)
Intangible assets, net of accumulated amortization	8,693		1,386
Leasing commissions [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	382		347
Accumulated amortization on intangible asset	(155)		(109)
Intangible assets, net of accumulated amortization	$ 227		$ 238

[1] For discussion on the restatement adjustments, see Note 2 - Restatement of Previously Issued Financial Statements.