XML 67 R53.htm IDEA: XBRL DOCUMENT
v3.21.2

Loans and Allowance for Credit Losses - Troubled Debt Restructuring is 90 Days or More Past Due (Detail) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 USD ($) Contract | Sep. 30, 2020 USD ($) Contract | Sep. 30, 2021 USD ($) Contract | Sep. 30, 2020 USD ($) Contract
Financing Receivable, Past Due [Line Items] |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | Contract | 0 | 3 | 0 | 4
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ | $ 0 | $ 190 | $ 0 | $ 240
Residential real estate [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | Contract |  |  | 0 | 1
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ |  |  | $ 0 | $ 50
Commercial Real Estate [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | Contract | 0 | 1 | 0 | 1
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ | $ 0 | $ 112 | $ 0 | $ 112
Loans to individuals [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | Contract | 0 | 2 | 0 | 2
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ | $ 0 | $ 78 | $ 0 | $ 78

X
- Definition Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953682-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of financing receivable modified as troubled debt restructuring within previous 12 months, with subsequent payment default. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953682-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_ResidentialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |