XML 34 R29.htm IDEA: XBRL DOCUMENT v2.4.0.8
Description of Business - Additional Information (Detail) (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Mar. 31, 2014
Property
Dec. 31, 2013
Dec. 31, 2013
Common Class A [Member]
Organization And Description Of Business [Line Items]      
Number of properties 10    
Common stock, par value $ 0.01 $ 0.01 $ 0.01
Common stock, shares issued 29,016,774 28,972,774 14,087,500
Net proceeds from issuance of shares     $ 279
Ownership Interest 78.80%