XML 127 R112.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Concentration of Credit Risk (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Note to Financial Statements |  |
Lending Limit to Single Borrower | $ 123.8 | $ 137.3
Largest Aggregate Amount of Outstanding Loans to Single Borrower | $ 103.2 | $ 109.4

X
- Definition Largest aggregate amount of loans to a single borrower. + References No definition available. + Details
Name: | ffic_LargestAggregateAmountOfLoansToSingleBorrower
Namespace Prefix: | ffic_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents lending limit to a single borrower. + References No definition available. + Details
Name: | ffic_LendingLimitToSingleBorrower
Namespace Prefix: | ffic_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | ffic_NoteToFinancialStatementDetailsTextual
Namespace Prefix: | ffic_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration