Annual report pursuant to Section 13 and 15(d)

Subsequent Events - Dividend Declaration - Additional Information (Detail)

v3.19.3.a.u2
Subsequent Events - Dividend Declaration - Additional Information (Detail) - $ / shares
12 Months Ended
Feb. 21, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Subsequent Event [Line Items]        
Cash Dividends approved per common share   $ 1.36 $ 1.28 $ 1.16
Subsequent Event        
Subsequent Event [Line Items]        
Cash Dividends approved per common share $ 0.36      
Declaration Date Feb. 21, 2020      
Record Date Mar. 06, 2020      
Payable Date Mar. 20, 2020