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Commitments, Contingencies and Other Items (Details) plaintiff in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2020 USD ($) plaintiff
Loss Contingencies [Line Items] |
Estimate of possible loss | $ 22,000,000
Unfavorable Regulatory Action |
Loss Contingencies [Line Items] |
Estimate of possible loss | 100,000
U.S. District Court for the District of Minnesota |
Loss Contingencies [Line Items] |
Amount awarded to other party | 15,500,000
Litigation settlement, expense | $ 3,500,000
Number of plaintiffs (approximately) | plaintiff | 12

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