XML 68 R56.htm IDEA: XBRL DOCUMENT
v3.21.1

Loans and the Allowance for Credit Losses (Details) - Allowance for loan and lease losses - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020 | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | --- | --- | ---
Loans and the Allowance for Loan and Lease Losses (Details) - Allowance for loan and lease losses [Line Items] |  |  |  |  |
ACL, Individually evaluated for impairment |  | $ 18,014 | $ 14,314 |  |
ACL, Collectively evaluated for impairment |  | 57,347 | 59,072 |  |
ACL, Acquired portfolio |  |  | 5,840 |  |
ACL, Acquired with deteriorated credit quality |  | 5,207 |  |  |
Total |  | 80,568 | 79,226 | $ 54,169 | $ 38,293
Gross loans |  |  |  |  |
Loans Receivable, Individually evaluated for impairment |  | 81,280 | 80,550 |  |
Loans Receivable, Collectively evaluated for impairment |  | 6,197,084 | 5,192,274 |  |
Loans Receivable, Acquired portfolio |  |  | 961,340 |  |
Loans Receivables, Acquired with deteriorated credit quality |  | 17,144 | 13,517 |  |
Total |  | 6,295,508 | 6,247,681 |  |
Commercial Portfolio Segment [Member] |  |  |  |  |
Loans and the Allowance for Loan and Lease Losses (Details) - Allowance for loan and lease losses [Line Items] |  |  |  |  |
ACL, Individually evaluated for impairment |  | 15,663 | 12,985 |  |
ACL, Collectively evaluated for impairment |  | 8,496 | 15,412 |  |
ACL, Acquired portfolio |  |  | 46 |  |
ACL, Acquired with deteriorated credit quality |  | 2,276 |  |  |
Total |  | 26,435 | 28,443 | 9,058 | 8,349
Gross loans |  |  |  |  |
Loans Receivable, Individually evaluated for impairment |  | 33,330 | 35,061 |  |
Loans Receivable, Collectively evaluated for impairment |  | 1,584,095 | 1,414,626 |  |
Loans Receivable, Acquired portfolio |  |  | 68,402 |  |
Loans Receivables, Acquired with deteriorated credit quality |  | 5,227 | 3,878 |  |
Total | [1] | 1,622,652 | 1,521,967 |  |
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Loans and the Allowance for Loan and Lease Losses (Details) - Allowance for loan and lease losses [Line Items] |  |  |  |  |
ACL, Individually evaluated for impairment |  | 1,634 | 1,329 |  |
ACL, Collectively evaluated for impairment |  | 39,486 | 33,373 |  |
ACL, Acquired portfolio |  |  | 4,628 |  |
ACL, Acquired with deteriorated credit quality |  | 2,777 |  |  |
Total |  | 43,897 | 39,330 | 22,036 | 20,853
Gross loans |  |  |  |  |
Loans Receivable, Individually evaluated for impairment |  | 21,762 | 15,827 |  |
Loans Receivable, Collectively evaluated for impairment |  | 3,767,803 | 2,959,978 |  |
Loans Receivable, Acquired portfolio |  |  | 802,190 |  |
Loans Receivables, Acquired with deteriorated credit quality |  | 7,679 | 5,555 |  |
Total |  | 3,797,244 | 3,783,550 |  |
Commercial Construction Portfolio Segment [Member] |  |  |  |  |
Loans and the Allowance for Loan and Lease Losses (Details) - Allowance for loan and lease losses [Line Items] |  |  |  |  |
ACL, Individually evaluated for impairment |  | 434 |  |  |
ACL, Collectively evaluated for impairment |  | 5,087 | 7,787 |  |
ACL, Acquired portfolio |  |  | 407 |  |
ACL, Acquired with deteriorated credit quality |  |  |  |  |
Total |  | 5,521 | 8,194 | 7,819 | 7,304
Gross loans |  |  |  |  |
Loans Receivable, Individually evaluated for impairment |  | 19,402 | 24,284 |  |
Loans Receivable, Collectively evaluated for impairment |  | 546,470 | 574,118 |  |
Loans Receivable, Acquired portfolio |  |  | 19,345 |  |
Loans Receivables, Acquired with deteriorated credit quality |  |  |  |  |
Total |  | 565,872 | 617,747 |  |
Residential Real Estate Portfolio Segment [Member] |  |  |  |  |
Loans and the Allowance for Loan and Lease Losses (Details) - Allowance for loan and lease losses [Line Items] |  |  |  |  |
ACL, Individually evaluated for impairment |  | 283 |  |  |
ACL, Collectively evaluated for impairment |  | 4,267 | 1,928 |  |
ACL, Acquired portfolio |  |  | 759 |  |
ACL, Acquired with deteriorated credit quality |  | 154 |  |  |
Total |  | 4,704 | 2,687 | 1,681 | 1,685
Gross loans |  |  |  |  |
Loans Receivable, Individually evaluated for impairment |  | 6,786 | 5,378 |  |
Loans Receivable, Collectively evaluated for impairment |  | 295,352 | 241,925 |  |
Loans Receivable, Acquired portfolio |  |  | 71,177 |  |
Loans Receivables, Acquired with deteriorated credit quality |  | 4,238 | 4,084 |  |
Total |  | 306,376 | 322,564 |  |
Consumer Portfolio Segment [Member] |  |  |  |  |
Loans and the Allowance for Loan and Lease Losses (Details) - Allowance for loan and lease losses [Line Items] |  |  |  |  |
ACL, Individually evaluated for impairment |  |  |  |  |
ACL, Collectively evaluated for impairment |  | 11 | 4 |  |
ACL, Acquired portfolio |  |  |  |  |
ACL, Acquired with deteriorated credit quality |  |  |  |  |
Total |  | 11 | 4 | 3 | 3
Gross loans |  |  |  |  |
Loans Receivable, Individually evaluated for impairment |  |  |  |  |
Loans Receivable, Collectively evaluated for impairment |  | 3,364 | 1,627 |  |
Loans Receivable, Acquired portfolio |  |  | 226 |  |
Loans Receivables, Acquired with deteriorated credit quality |  |  |  |  |
Total |  | 3,364 | 1,853 |  |
Unallocated [Member] |  |  |  |  |
Loans and the Allowance for Loan and Lease Losses (Details) - Allowance for loan and lease losses [Line Items] |  |  |  |  |
ACL, Individually evaluated for impairment |  |  |  |  |
ACL, Collectively evaluated for impairment |  |  | 568 |  |
ACL, Acquired portfolio |  |  |  |  |
ACL, Acquired with deteriorated credit quality |  |  |  |  |
Total |  |  | $ 568 | $ 13,572 | $ 99
[1] | Included in commercial loans as of March 31, 2021 and December 31, 2020 are PPP loans of $522.3 million and $397.5 million, respectively.

X
- Definition Allowance for loan and lease losses, acquired portfolio. + References No definition available. + Details
Name: | cnob_AllowanceForLoanAndLeaseLossesAcquiredPortfolio
Namespace Prefix: | cnob_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Allowance for loan and lease losses, acquired with deteriorated credit quality. + References No definition available. + Details
Name: | cnob_AllowanceForLoanAndLeaseLossesAcquiredWithDeterioratedCreditQuality
Namespace Prefix: | cnob_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Loans Receivable, acquired portfolio. + References No definition available. + Details
Name: | cnob_LoansReceivableAcquiredPortfolio
Namespace Prefix: | cnob_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Loans Receivables, acquired with deteriorated credit quality. + References No definition available. + Details
Name: | cnob_LoansReceivablesAcquiredWithDeterioratedCreditQuality
Namespace Prefix: | cnob_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The balance of financing receivables that were individually evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=122038336&loc=d3e74567-122707 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=121614798&loc=d3e15032-111544 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
Name: | us-gaap_LoansAndLeasesReceivableAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522 + Details
Name: | us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

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