XML 75 R63.htm IDEA: XBRL DOCUMENT v3.25.3

Note 6 - Loans and the Allowance for Credit Losses - Aging of Modified Loans (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2025
Modified	$ 18,811	$ 33,730
Financial Asset, Not Past Due [Member]
Modified		97,534
Financial Asset, 30 to 89 Days Past Due [Member]
Modified		0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Modified		323
Commercial Portfolio Segment [Member]
Modified	18,811	25,311
Commercial Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Modified		25,311
Commercial Portfolio Segment [Member] | Financial Asset, 30 to 89 Days Past Due [Member]
Modified		0
Commercial Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Modified		323
Commercial Real Estate Portfolio Segment [Member]
Modified	0	0
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Modified		63,804
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 89 Days Past Due [Member]
Modified		0
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Modified		0
Commercial Construction Portfolio Segment [Member]
Modified	0	8,419
Commercial Construction Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Modified		8,419
Commercial Construction Portfolio Segment [Member] | Financial Asset, 30 to 89 Days Past Due [Member]
Modified		0
Commercial Construction Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Modified		0
Residential Portfolio Segment [Member]
Modified	0	0
Residential Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Modified		0
Residential Portfolio Segment [Member] | Financial Asset, 30 to 89 Days Past Due [Member]
Modified		0
Residential Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Modified		0
Consumer Portfolio Segment [Member]
Modified	$ 0	0
Consumer Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Modified		0
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 89 Days Past Due [Member]
Modified		0
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Modified		$ 0

X

- Definition

Amortized cost excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-42

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestModifiedPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetNotPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=cnob_FinancialAsset30To89DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=cnob_CommercialConstructionPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: