Subsequent Events - Additional Information (Detail) (Subsequent Event, USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended	1 Months Ended
	Apr. 14, 2014	Apr. 17, 2014 Buildings acre sqft
Subsequent Event
Subsequent Event [Line Items]
Issuance of restricted stock, shares	71,990
Issuance of restricted stock, value	$ 1.0
Issuance of restricted stock, grant description	These shares will vest in four equal annual installments on each of the four anniversaries of the date of grant.
Total purchase price		$ 21.1
Number of buildings acquired		1
Square footage of buildings acquired		170,865
Acres of land		9.24