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Stockholders' Equity and Earnings Per Common Share - Additional Information (Detail) - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Stockholders Equity and Earnings Per Common Share Additional Information [Abstract]      
Antidilutive Securities Excluded from Computation of Earnings Per Share 1,100,000 600,000 300,000
Authorized Shares of Preferred Stock 25,000,000.0    
Par Value Per Share of Preferred Stock $ 0.10    
Issued Shares of Preferred Stock 0