Stockholders' Equity and Earnings Per Common Share - Additional Information (Detail) - $ / shares	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Stockholders Equity and Earnings Per Common Share Additional Information [Abstract]
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price	$ 24.25
Outstanding Restricted Stock Unit Grant Prices Lower Limit	12.45
Outstanding Restricted Stock Unit Grant Prices Upper Limit	$ 49.31
Antidilutive Securities Excluded from Computation of Earnings Per Share	1,600,000	1,100,000
Authorized Shares of Preferred Stock	25,000,000.0
Par Value Per Share of Preferred Stock	$ 0.10
Issued Shares of Preferred Stock	0