Loans and Allowance for Credit Losses - PCD Financial Assets (Details) $ in Millions	Oct. 30, 2020 USD ($)
Note 4 - Loans and Allowance for Loan Losses - PCD Financial Assets (Details)
Allowance for Credit Losses at Acquisition Date	$ (4.1)
Total consideration paid	$ 286.1

Amount of allowance for credit loss at acquisition date of financing receivable purchased with credit deterioration.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 19
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919265-210447

Name:	us-gaap_FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration