XML 132 R119.htm IDEA: XBRL DOCUMENT
v3.20.4

Related Party Transactions (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 USD ($) loan | Dec. 31, 2019 USD ($) loan
Note to Financial Statements |  |
Number of Related Party Loans | loan | 0 | 0
Related Party Deposit Liabilities | $ | $ 13.4 | $ 7.7

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

X
- Definition Represents number of related party loans. + References No definition available. + Details
Name: | ffic_NumberOfRelatedPartyLoans
Namespace Prefix: | ffic_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of deposits held by the entity for a related party (entity, shareholder, employee). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_RelatedPartyDepositLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant