Litigation - Additional Information (Detail) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2021 |
Mar. 31, 2021 |
Jun. 30, 2020 |
Jun. 30, 2020 |
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| Litigation [Abstract] | ||||
| Litigation Settlement, Expense | $ 3.6 | $ 4.2 | $ 4.0 | $ 7.5 |
| X | ||||||||||
- Definition Litigation [abstract]. No definition available.
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| X | ||||||||||
- Definition Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees. No definition available.
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