Related Party Transactions and Arrangements (Due To Affiliates) (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013		Jun. 30, 2013
Related Party Transaction [Line Items]
Due to affiliates	$ 3,184	[1]	$ 103,434	[1]	$ 1,349
Offering Related Costs [Member] | Affiliated Entity [Member]
Related Party Transaction [Line Items]
Due to affiliates	2,000		220
Merger And Other Non-Routine Transactions [Member] | Affiliated Entity [Member]
Related Party Transaction [Line Items]
Due to affiliates	42		38,645
General and Administrative Expense [Member] | Affiliated Entity [Member]
Related Party Transaction [Line Items]
Due to affiliates	868		59,600
Indirect Affiliate Expenses [Member] | Affiliated Entity [Member]
Related Party Transaction [Line Items]
Due to affiliates	68		0
Management Fees To Affiliates [Member] | Affiliated Entity [Member]
Related Party Transaction [Line Items]
Due to affiliates	0		4,969
Managed REITS and Other [Member] | Affiliated Entity [Member]
Related Party Transaction [Line Items]
Due to affiliates	$ 206		$ 0

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