XML 66 R54.htm IDEA: XBRL DOCUMENT v3.21.2

Loans and the Allowance for Credit Losses (Details) - Allowance for loan and lease losses - USD ($) $ in Thousands		Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Jun. 30, 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		$ 17,886		$ 14,314
ACL, Collectively evaluated for impairment		55,591		59,072
ACL, Acquired portfolio				5,840
ACL, Acquired with deteriorated credit quality individually analyzed		5,207
Total		78,684	$ 80,568	79,226	$ 68,724	$ 54,169	$ 38,293
Gross loans
Loans Receivable, Individually evaluated for impairment		84,467		80,550
Loans Receivable, Collectively evaluated for impairment		6,320,081		5,192,274
Loans Receivable, Acquired portfolio				961,340
Loans Receivables, Acquired with deteriorated credit quality individually analyzed		17,050		13,517
Total		6,421,598		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		15,618		12,985
ACL, Collectively evaluated for impairment		7,673		15,412
ACL, Acquired portfolio				46
ACL, Acquired with deteriorated credit quality individually analyzed		2,276
Total		25,567	26,435	28,443	9,345	9,058	8,349
Gross loans
Loans Receivable, Individually evaluated for impairment		33,473		35,061
Loans Receivable, Collectively evaluated for impairment		1,364,019		1,414,626
Loans Receivable, Acquired portfolio				68,402
Loans Receivables, Acquired with deteriorated credit quality individually analyzed		5,205		3,878
Total	[1]	1,402,697		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		1,485		1,329
ACL, Collectively evaluated for impairment		39,553		33,373
ACL, Acquired portfolio				4,628
ACL, Acquired with deteriorated credit quality individually analyzed		2,777
Total		43,815	43,897	39,330	22,655	22,036	20,853
Gross loans
Loans Receivable, Individually evaluated for impairment		28,197		15,827
Loans Receivable, Collectively evaluated for impairment		4,102,715		2,959,978
Loans Receivable, Acquired portfolio				802,190
Loans Receivables, Acquired with deteriorated credit quality individually analyzed		7,606		5,555
Total		4,138,518		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		4,493		7,787
ACL, Acquired portfolio				407
ACL, Acquired with deteriorated credit quality individually analyzed
Total		4,927	5,521	8,194	8,026	7,819	7,304
Gross loans
Loans Receivable, Individually evaluated for impairment		16,389		24,284
Loans Receivable, Collectively evaluated for impairment		570,732		574,118
Loans Receivable, Acquired portfolio				19,345
Loans Receivables, Acquired with deteriorated credit quality individually analyzed
Total		587,121		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		349
ACL, Collectively evaluated for impairment		3,863		1,928
ACL, Acquired portfolio				759
ACL, Acquired with deteriorated credit quality individually analyzed		154
Total		4,366	4,704	2,687	1,690	1,681	1,685
Gross loans
Loans Receivable, Individually evaluated for impairment		6,408		5,378
Loans Receivable, Collectively evaluated for impairment		276,260		241,925
Loans Receivable, Acquired portfolio				71,177
Loans Receivables, Acquired with deteriorated credit quality individually analyzed		4,239		4,084
Total		286,907		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		9		4
ACL, Acquired portfolio
ACL, Acquired with deteriorated credit quality individually analyzed
Total		9	11	4	5	3	3
Gross loans
Loans Receivable, Individually evaluated for impairment
Loans Receivable, Collectively evaluated for impairment		6,355		1,627
Loans Receivable, Acquired portfolio				226
Loans Receivables, Acquired with deteriorated credit quality individually analyzed
Total		6,355		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 individually analyzed
Total				$ 568	$ 27,003	$ 13,572	$ 99
[1] Included in commercial loans as of June 30, 2021 and December 31, 2020 were PPP loans of $326.8 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: