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Contingencies (Details) $ in Millions |  |  | 6 Months Ended
--- | --- | --- | ---
Sep. 13, 2022 USD ($) | Aug. 31, 2021 USD ($) arbitration | Jun. 30, 2023 USD ($) arbitration complaintant
Loss Contingencies [Line Items] |  |  |
Estimated range of loss in excess of amounts accrued |  |  | $ 31.0
Number of arbitrations | arbitration |  | 45 |
Damages sought |  | $ 13.9 |
Number of complainants | complaintant |  |  | 108
Litigation settlement expense |  |  | $ 78.5
Amount disgorged to SEC | $ 1.9 |  |
Pending Litigation |  |  |
Loss Contingencies [Line Items] |  |  |
Number of arbitrations | arbitration |  | 14 |
Settled Litigation |  |  |
Loss Contingencies [Line Items] |  |  |
Number of claims settled | arbitration |  |  | 31

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