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Share-Based Compensation - Summary of Activity Under Share-Based Compensation Plans (Parenthetical) (Detail) - shares	Jun. 30, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding SARs	700,000	800,000
Performance condition SARs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding SARs	700,000
Performance condition SARs [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding SARs	100,000
Performance Based Stock Unit Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Vested	68,300
Performance Based Stock Unit Awards [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of share based payment awards other than options outstanding and nonvested that can vest maximum	520,138

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Share based compensation arrangement by share based payment award equity instruments other than options expected to vest.

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