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Loans And Allowance For Loan Losses (Acquired Loans Portfolio) (Details) - USD ($) $ in Thousands | 12 Months Ended |
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Dec. 31, 2020 | Dec. 31, 2019
Business Acquisition [Line Items] |  |
Financing Receivable, Transfer to Held-for-Sale, Allowance for Credit Loss, Expense Reversal | $ 1,430,000 |
FCB Financial Holdings, Inc. |  |
Business Acquisition [Line Items] |  |
Accretable yield |  | $ (5,557,334)

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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 The aggregate excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan. This relates to loans with deteriorating of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References No definition available. + Details
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- Definition Amount of expense reversal of allowance for credit loss on financing receivable transferred to held-for-sale classification. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120238483&loc=SL120268815-111004 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522 + Details
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