Summary of Significant Accounting Policies (Policies)	9 Months Ended
Mar. 31, 2022
Accounting Policies [Abstract]
Principles of Consolidation	Principles of Consolidation The unaudited consolidated financial statements include the accounts of Kearny Financial Corp. (the “Company”), its wholly-owned subsidiary, Kearny Bank (the “Bank”) and the Bank’s wholly-owned subsidiary, CJB Investment Corp. The Company conducts its business principally through the Bank. Management prepared the unaudited consolidated financial statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”), including the elimination of all significant inter-company accounts and transactions during consolidation.
Basis of Presentation	Basis of Presentation The accompanying unaudited consolidated financial statements were prepared in accordance with instructions for Form 10-Q and Regulation S-X and do not include the information or footnotes necessary for a complete presentation of financial condition, income, comprehensive income, changes in stockholders’ equity and cash flows in conformity with GAAP. However, in the opinion of management, all adjustments (consisting of normal recurring adjustments) necessary for a fair presentation of the unaudited consolidated financial statements have been included. The results of operations for the three months and nine months ended March 31, 2022 are not necessarily indicative of the results that may be expected for the entire fiscal year or any other period. The data in the consolidated statement of financial condition for June 30, 2021 was derived from the Company’s 2021 Annual Report on Form 10-K. That data, along with the interim unaudited financial information presented in the consolidated statements of financial condition, income, comprehensive income, changes in stockholders’ equity and cash flows should be read in conjunction with the audited consolidated financial statements, including the notes thereto, included in the Company’s 2021 Annual Report on Form 10-K. The accounting and reporting policies of the Company conform to U.S. GAAP and to general practice within the financial services industry. A discussion of these policies can be found in Note 1, Summary of Significant Accounting Policies, included in the Company’s 2021 Annual Report on Form 10-K. There have been no material changes to the Company’s significant accounting policies since June 30, 2021. The Company has reclassified certain amounts in the prior period’s financial statements to conform to the current period’s presentation. Specifically, effective July 1, 2021, loan prepayment penalty income was reclassified to interest income on loans. Previously, loan prepayment penalty income was recorded within non-interest income. Interest income and non-interest income for all periods presented reflect this reclassification. Update to Significant Accounting Policies Allowance for Credit Losses (“ACL”) on Loans. In accordance with the ACL policy, the methodology is reviewed no less than annually. During the quarter ended September 30, 2021, the Company updated the econometric factors used in the determination of the probability of default for certain loan portfolio segments used in its ACL methodology for pooled loans. Econometric factors are selected based on the correlation of the factor to credit losses for each loan portfolio segment. Effective July 1, 2021, the primary econometric factor utilized in the determination of the probability of default for each loan portfolio segment is the national unemployment rate (“NUR”). Prior to July 1, 2021, NUR and gross domestic product (“GDP”) econometric factors were used in the determination of the probability of default for each loan portfolio segment.

Summary of Significant Accounting Policies (Policies)

9 Months Ended

Mar. 31, 2022

The unaudited consolidated financial statements include the accounts of Kearny Financial Corp. (the “Company”), its wholly-owned subsidiary, Kearny Bank (the “Bank”) and the Bank’s wholly-owned subsidiary, CJB Investment Corp. The Company conducts its business principally through the Bank. Management prepared the unaudited consolidated financial statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”), including the elimination of all significant inter-company accounts and transactions during consolidation.

Basis of Presentation

The accompanying unaudited consolidated financial statements were prepared in accordance with instructions for Form 10-Q and Regulation S-X and do not include the information or footnotes necessary for a complete presentation of financial condition, income, comprehensive income, changes in stockholders’ equity and cash flows in conformity with GAAP. However, in the opinion of management, all adjustments (consisting of normal recurring adjustments) necessary for a fair presentation of the unaudited consolidated financial statements have been included. The results of operations for the three months and nine months ended March 31, 2022 are not necessarily indicative of the results that may be expected for the entire fiscal year or any other period.

The data in the consolidated statement of financial condition for June 30, 2021 was derived from the Company’s 2021 Annual Report on Form 10-K. That data, along with the interim unaudited financial information presented in the consolidated statements of financial condition, income, comprehensive income, changes in stockholders’ equity and cash flows should be read in conjunction with the audited consolidated financial statements, including the notes thereto, included in the Company’s 2021 Annual Report on Form 10-K.

The accounting and reporting policies of the Company conform to U.S. GAAP and to general practice within the financial services industry. A discussion of these policies can be found in Note 1, Summary of Significant Accounting Policies, included in the Company’s 2021 Annual Report on Form 10-K. There have been no material changes to the Company’s significant accounting policies since June 30, 2021.

The Company has reclassified certain amounts in the prior period’s financial statements to conform to the current period’s presentation. Specifically, effective July 1, 2021, loan prepayment penalty income was reclassified to interest income on loans. Previously, loan prepayment penalty income was recorded within non-interest income. Interest income and non-interest income for all periods presented reflect this reclassification.

Update to Significant Accounting Policies

Allowance for Credit Losses (“ACL”) on Loans. In accordance with the ACL policy, the methodology is reviewed no less than annually. During the quarter ended September 30, 2021, the Company updated the econometric factors used in the determination of the probability of default for certain loan portfolio segments used in its ACL methodology for pooled loans. Econometric factors are selected based on the correlation of the factor to credit losses for each loan portfolio segment. Effective July 1, 2021, the primary econometric factor utilized in the determination of the probability of default for each loan portfolio segment is the national unemployment rate (“NUR”). Prior to July 1, 2021, NUR and gross domestic product (“GDP”) econometric factors were used in the determination of the probability of default for each loan portfolio segment.