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Allowance for Credit Losses (Narrative) (Details) - Accounting Standards Update 2019-04 [Member] $ in Millions | 3 Months Ended
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Mar. 31, 2021 USD ($)
Financing Receivable, Allowance for Credit Losses [Line Items] |
Financing Receivable Allowance For Credit Losses Period Increase Decrease | $ 89.7
PCD [Member] |
Financing Receivable, Allowance for Credit Losses [Line Items] |
Financing Receivable Allowance For Credit Losses Period Increase Decrease | $ 50.5
Percent of total loan portfolio | 30.00%
Non-PCD [Member] |
Financing Receivable, Allowance for Credit Losses [Line Items] |
Financing Receivable Allowance For Credit Losses Period Increase Decrease | $ 39.2
Percent of total loan portfolio | 70.00%

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of increase (decrease) in allowance for credit loss on financing receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 + Details
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