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Significant Accounting Policies (Narrative) (Details) - Accounting Standards Update 2016-13 [Member] - USD ($) $ in Millions | Jan. 01, 2020 | Mar. 31, 2020 | Dec. 31, 2019
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New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |  |
Cumulative effect on retained earnings net of tax | $ 25.5 |  |
Accrued interest receivable on available-for-sale debt securities |  | $ 2.7 | $ 4.1
Accrued interest receivable on loans |  | $ 37.4 | $ 32.7

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- Definition Amount of the cumulative effect on retained earnings net of related income tax effect. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22663-107794 + Details
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