Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Additional Information (Detail)

v2.4.0.8
Subsequent Events - Additional Information (Detail) (USD $)
3 Months Ended 0 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Apr. 24, 2014
Subsequent Event [Member]
Subsequent Event [Line Items]      
Dividends declared per share $ 0.10 $ 0.10 $ 0.10
Dividends declared, date Apr. 24, 2014    
Dividends declared, payable date May 28, 2014    
Dividends declared, record date May 13, 2014