XML 65 R55.htm IDEA: XBRL DOCUMENT v3.22.2.2

Leases - (Details)	Sep. 30, 2022 lease
Minimum [Member]
Term of contract	3 months
Branches And Office Space [Member]
Number of leases	28
Vehicles [Member]
Number of leases	10
Equipment [Member]
Number of leases	1
Equipment [Member] | Maximum [Member]
Term of contract	14 years

X

- Definition

Represents information pertaining to number of leases.

+ References

No definition available.

+ Details

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Namespace Prefix:	ffic_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_EquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: