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New Accounting Pronouncements (Narrative) (Details) - ASU 2016-13 [Member] $ in Millions | 9 Months Ended
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Sep. 30, 2020 USD ($)
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |
Increase in allowance for credit losses | $ 10.4
Cumulative Effect, Period of Adoption, Adjustment [Member] |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |
Cumulative effect decrease to retained earnings (net of tax) | $ 7.8

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