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Earnings Per Share Data ("EPS") and Stock Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Anti-dilutive weighted average stock options excluded from computation of earnings per share	5,900,000	7,000,000.0
Unrecognized compensation cost related to unvested options and restricted stock	$ 143,800
Stock options granted during period	2,527,966
Weighted-average grant date fair value, per share	$ 14.14
Compensation cost recognized	$ 18,047	$ 17,591
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost recognized, pre-tax charge	15,300	15,800
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost recognized, pre-tax charge	$ 2,400	$ 1,500
Unrecognized compensation cost vesting period	2 years 9 months 18 days
Restricted shares granted during period	124,167
Weighted-average grant date fair value, per share	$ 67.69
Unvested Stock option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost vesting period	2 years 9 months 18 days

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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