Future Minimum Lease Payments - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Leases [Abstract]
Total contribution of base rental	12.10%	19.70%	21.80%
Percentage of tenant of the total rentable square footage	16.70%	17.50%	14.50%