XML 64 R53.htm IDEA: XBRL DOCUMENT v3.22.1

Fair Value Measurements and Fair Value of Financial Instruments (Details) - Impaired Loans [Member] - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Fair Value Measurements and Fair Value of Financial Instruments (Details) [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	$ 62.4	$ 54.1
Impaired Financing Receivable, Related Allowance	$ 16.9	$ 17.8

X

- References

No definition available.

+ Details

Name:	cnob_FairValueMeasurementsandFairValueofFinancialInstrumentsDetailsLineItems
Namespace Prefix:	cnob_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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 https://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

Amount of investment in impaired financing receivables for which there is a related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953550-111524

+ Details

Name:	us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_FairValueByAssetClassAxis=cnob_ImpairedLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: