XML 86 R67.htm IDEA: XBRL DOCUMENT v3.20.2
Subsequent Events - Additional Information (Detail) - $ / shares
3 Months Ended 6 Months Ended
Jul. 22, 2020
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Subsequent Event [Line Items]          
Cash dividends declared (in USD per share)   $ 0.04 $ 0.17 $ 0.21 $ 0.34
Subsequent Event [Member]          
Subsequent Event [Line Items]          
Cash dividends declared (in USD per share) $ 0.04        
Dividend declaration date Jul. 22, 2020        
Dividend payable date Oct. 02, 2020        
Dividend record date Sep. 18, 2020