XML 61 R50.htm IDEA: XBRL DOCUMENT
v3.22.1

Loans and the Allowance for Credit Losses (Details) - Schedule of Debtor Troubled Debt Restructuring, Current Period $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Troubled debt restructurings: |  |
Number of Loans | 2 | 3
Pre-Modification Outstanding Recorded Investment | $ 8,849 | $ 3,654
Post-Modification Outstanding Recorded Investment | $ 8,349 | $ 3,654
Commercial Portfolio Segment [Member] |  |
Troubled debt restructurings: |  |
Number of Loans | 1 |
Pre-Modification Outstanding Recorded Investment | $ 98 |
Post-Modification Outstanding Recorded Investment | $ 98 |
Commercial Real Estate Portfolio Segment [Member] |  |
Troubled debt restructurings: |  |
Number of Loans | 1 | 1
Pre-Modification Outstanding Recorded Investment | $ 8,751 | $ 1,658
Post-Modification Outstanding Recorded Investment | $ 8,251 | $ 1,658
Residential Real Estate Portfolio Segment [Member] |  |
Troubled debt restructurings: |  |
Number of Loans |  | 2
Pre-Modification Outstanding Recorded Investment |  | $ 1,996
Post-Modification Outstanding Recorded Investment |  | $ 1,996

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

X
- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after troubled debt restructuring, of modified financing receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, before troubled debt restructuring, of financing receivable to be modified. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |