XML 90 R80.htm IDEA: XBRL DOCUMENT
v3.23.2

Regulatory Capital (Details) | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Savings Bank [Member] |  |
Capital Conservation Buffer | 6.33% | 6.37%
Holding Company |  |
Capital Conservation Buffer | 5.07% | 5.25%

X
- Definition Represents the capital conservation buffer, above the regulatory minimum capital ratios. + References No definition available. + Details
Name: | ffic_CapitalConservationBuffer
Namespace Prefix: | ffic_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | dei_LegalEntityAxis=ffic_SavingsBankMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=ffic_HoldingCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |