Stockholders' Equity - Schedule of Shares Repurchased Under the Share Repurchase Program (Detail) - $ / shares	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share Repurchase Program [Abstract]
Number of Shares Purchased	9,124,295	2,912,035	13,674,439
Average Price Per Share	$ 44.51	$ 32.70	$ 36.18

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Balance Type:	na
Period Type:	duration