XML 84 R70.htm IDEA: XBRL DOCUMENT
v3.23.2

Loans Receivable - Schedule Of Carrying Value Of Collateral Dependent Individually Analyzed Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Jun. 30, 2022
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, individually evaluated for impairment | $ 42,600 |
Collateral Pledged |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, individually evaluated for impairment | 38,196 | $ 63,287
Loans individually analyzed | 3,327 | 3,622
Commercial loans | Collateral Pledged |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, individually evaluated for impairment | 35,321 | 58,947
Loans individually analyzed | 3,327 | 3,545
Commercial loans | Multi-family mortgage | Collateral Pledged |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, individually evaluated for impairment | 19,114 | 26,653
Loans individually analyzed | 326 | 849
Commercial loans | Nonresidential mortgage | Collateral Pledged |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, individually evaluated for impairment | 16,207 | 30,733
Loans individually analyzed | 3,001 | 2,696
Commercial loans | Construction | Collateral Pledged |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, individually evaluated for impairment | 0 | 1,561
Loans individually analyzed | 0 | 0
Residential mortgage | Collateral Pledged |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, individually evaluated for impairment | 2,875 | 4,305
Loans individually analyzed | 0 | 77
Consumer loans | Home equity loans | Collateral Pledged |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, individually evaluated for impairment | 0 | 35
Loans individually analyzed | $ 0 | $ 0

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
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 -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (g) -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B + 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 individually evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11C -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11C Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L(5)(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480418/310-10-S99-4 + Details
Name: | us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_CollateralAxis=us-gaap_CollateralPledgedMember
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_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=krny_MultiFamilyMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=krny_NonresidentialMortgageMember
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_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: |

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