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Earnings Per Share - Additional Information (Detail) - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Mar. 04, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Mar. 31, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Jul. 31, 2019 | Jul. 19, 2019
Common stock excluded from calculation of diluted earnings per share |  | 301,404 | 112,179 |  | 328,179 | 149,187 |  |
Dilutive effect on shares of conversion premium |  | 735,150 | 1,130,530 |  | 776,339 | 1,500,717 |  |
Denominator for diluted earnings per share - adjusted weighted average shares used in computing net income per share - diluted |  | 56,940 | 57,304 |  | 56,933 | 57,598 |  |
Charges associated with convertible debt instruments, net of tax |  | $ 0 | $ 0 |  | $ 0 | $ 387 |  |
AccountingStandardsUpdate202006Member |  |  |  |  |  |  |  |
Denominator for diluted earnings per share - adjusted weighted average shares used in computing net income per share - diluted | 3,474,429 |  |  |  |  |  |  |
Charges associated with convertible debt instruments, net of tax |  |  |  | $ 400 |  |  |  |
0.375% Convertible Senior Notes due 2024 |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  | $ 287,500 | $ 287,500

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