Annual report pursuant to Section 13 and 15(d)

Subsequent Events - Additional Information (Detail)

v2.4.0.8
Subsequent Events - Additional Information (Detail) (USD $)
 12 Months Ended 0 Months Ended 1 Months Ended
Dec. 31, 2013
Jan. 21, 2014
Subsequent Event [Member]
Oct. 31, 2013
Subsequent Event [Member]
Jan. 31, 2014
Subsequent Event [Member]
Jan. 30, 2014
Subsequent Event [Member]
Oregon [Member]
acre
Subsequent Event [Line Items]          
Cooling facility upgrade and expansion costs incurred $ 352,000 $ 450,000   $ 450,000  
Percentage increase in rental income     8.50%    
Area of land purchased         200