XML 105 R103.htm IDEA: XBRL DOCUMENT v3.20.1
Subsequent Events - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
May 06, 2020
Mar. 31, 2020
Mar. 31, 2019
Jun. 04, 2020
Subsequent Event [Line Items]        
Dividend payments   $ 0.09 $ 0.09  
Subsequent Event [Member]        
Subsequent Event [Line Items]        
Dividend declaration date May 06, 2020      
Dividend payments $ 0.09      
Dividend record date May 21, 2020      
Dividend payment date Jun. 04, 2020      
Scenario Forecast [Member]        
Subsequent Event [Line Items]        
Quarterly dividend payable, aggregate amount subsequent to balance sheet date       $ 4.3