XML 38 R67.htm IDEA: XBRL DOCUMENT v2.4.0.8
Earnings per Share of Common Stock - Additional Information (Detail)
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2014
Sep. 30, 2013
Earnings Per Share [Abstract]      
Weighted average number of OP units held by the non-controlling interest 332,852 346,479  
Unvested shares of restricted common stock   973,520 734,763