XML 23 R26.htm IDEA: XBRL DOCUMENT
v3.20.1

ACCOUNTING POLICIES (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2020
Accounting Policies [Abstract] |
Illustration of the Impact of ASC 326 | The following table illustrates the impact of ASC 326. ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | January 1, | ​ | January 1,
​ | ​ | 2019 | ​ | 2020 | ​ | 2020
​ | ​ | As Previously Reported (Incurred Loss) | ​ | Impact of CECL Adoption | ​ | As Reported Under CECL
Assets: | ​ | ​ | ​ | ​ | ​ | ​
Loans | ​ | ​ | ​ | ​ | ​ | ​
Commercial | $ | 30,941 | $ | 6,184 | $ | 37,125
Consumer | ​ | 11,353 | ​ | 41,300 | ​ | 52,653
Allowance for loan and lease losses | ​ | 42,294 | ​ | 47,484 | ​ | 89,778
Liabilities: | ​ | ​ | ​ | ​ | ​ | ​
Allowance for credit losses on unfunded credit exposure | ​ | 900 | ​ | 4,160 | ​ | 5,060
Total Allowance for credit losses | $ | 43,194 | $ | 51,644 | $ | 94,838

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the comparison between amounts disclosed under previous guidance and new guidance. + References No definition available. + Details
Name: | us-gaap_ScheduleOfProspectiveAdoptionOfNewAccountingPronouncementsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration