Annual report pursuant to Section 13 and 15(d)

Subsequent Events - Additional Information (Detail)

v2.4.0.6
Subsequent Events - Additional Information (Detail) (Dividend Declared, USD $)
1 Months Ended
Mar. 06, 2013
Dividend Declared
 
Subsequent Event [Line Items]  
Dividends declared per share $ 0.10
Dividends declared, date Mar. 06, 2013
Dividends declared, payable date Apr. 01, 2013
Dividends declared, record date Mar. 18, 2013