XML 54 R42.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Securities - Available for Sale Securities With Gross Unrealized Losses and Their Fair Value (Details) $ in Thousands | Jun. 30, 2024 USD ($) | Dec. 31, 2023 USD ($)
--- | --- | ---
Held-to-maturity securities have been in a continuous unrealized loss position, number of positions | 4 | 4
Held-to-maturity securities have been in a continuous unrealized loss position, fair value | $ 61,070 | $ 65,755
Held-to-maturity securities have been in a continuous unrealized loss position, unrealized loss | (12,031) | (8,255)
Held-to-maturity securities have been in a continuous unrealized loss position, 12 months or more, fair value | 61,070 | 65,755
Held-to-maturity securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ (12,031) | $ (8,255)
Securities have been in a continuous unrealized loss position, number of positions | 183 | 166
Securities have been in a continuous unrealized loss position, fair value | $ 978,310 | $ 702,778
Securities have been in a continuous unrealized loss position, unrealized losses | (90,062) | (83,020)
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 474,191 | 33,856
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | (2,299) | (1,360)
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 504,119 | 668,922
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ (87,763) | $ (81,660)
Total Other Securities [Member] |  |
Held-to-maturity securities have been in a continuous unrealized loss position, number of positions | 3 | 3
Held-to-maturity securities have been in a continuous unrealized loss position, fair value | $ 54,153 | $ 58,697
Held-to-maturity securities have been in a continuous unrealized loss position, unrealized loss | (11,102) | (7,458)
Held-to-maturity securities have been in a continuous unrealized loss position, 12 months or more, fair value | 54,153 | 58,697
Held-to-maturity securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ (11,102) | $ (7,458)
Securities have been in a continuous unrealized loss position, number of positions | 49 | 51
Securities have been in a continuous unrealized loss position, fair value | $ 358,556 | $ 350,575
Securities have been in a continuous unrealized loss position, unrealized losses | (19,465) | (19,358)
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 180,974 | 27,945
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | (489) | (1,325)
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 177,582 | 322,630
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ (18,976) | $ (18,033)
US States and Political Subdivisions Debt Securities [Member] |  |
Held-to-maturity securities have been in a continuous unrealized loss position, number of positions | 3 | 3
Held-to-maturity securities have been in a continuous unrealized loss position, fair value | $ 54,153 | $ 58,697
Held-to-maturity securities have been in a continuous unrealized loss position, unrealized loss | (11,102) | (7,458)
Held-to-maturity securities have been in a continuous unrealized loss position, 12 months or more, fair value | 54,153 | 58,697
Held-to-maturity securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ (11,102) | $ (7,458)
US Government Agencies Debt Securities [Member] |  |
Securities have been in a continuous unrealized loss position, number of positions | 5 | 8
Securities have been in a continuous unrealized loss position, fair value | $ 24,221 | $ 74,517
Securities have been in a continuous unrealized loss position, unrealized losses | (517) | (937)
Securities have been in a continuous unrealized loss position, less than 12 months, fair value |  | 2,517
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses |  | (7)
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 24,221 | 72,000
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ (517) | $ (930)
Corporate Debt Securities [Member] |  |
Securities have been in a continuous unrealized loss position, number of positions | 26 | 26
Securities have been in a continuous unrealized loss position, fair value | $ 149,736 | $ 155,449
Securities have been in a continuous unrealized loss position, unrealized losses | (18,499) | (17,735)
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 6,372 | 25,428
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | (43) | (1,318)
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 143,364 | 130,021
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ (18,456) | $ (16,417)
Collateralized Debt Obligations [Member] |  |
Securities have been in a continuous unrealized loss position, number of positions | 18 | 17
Securities have been in a continuous unrealized loss position, fair value | $ 184,599 | $ 120,609
Securities have been in a continuous unrealized loss position, unrealized losses | (449) | (686)
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 174,602 |
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | (446) |
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 9,997 | 120,609
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ (3) | $ (686)
Collateralized Mortgage Backed Securities |  |
Held-to-maturity securities have been in a continuous unrealized loss position, number of positions | 1 | 1
Held-to-maturity securities have been in a continuous unrealized loss position, fair value | $ 6,917 | $ 7,058
Held-to-maturity securities have been in a continuous unrealized loss position, unrealized loss | (929) | (797)
Held-to-maturity securities have been in a continuous unrealized loss position, 12 months or more, fair value | 6,917 | 7,058
Held-to-maturity securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ (929) | $ (797)
Securities have been in a continuous unrealized loss position, number of positions | 134 | 115
Securities have been in a continuous unrealized loss position, fair value | $ 619,754 | $ 352,203
Securities have been in a continuous unrealized loss position, unrealized losses | (70,597) | (63,662)
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 293,217 | 5,911
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | (1,810) | (35)
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 326,537 | 346,292
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ (68,787) | $ (63,627)
REMIC and CMO [Member] |  |
Securities have been in a continuous unrealized loss position, number of positions | 65 | 46
Securities have been in a continuous unrealized loss position, fair value | $ 400,702 | $ 133,312
Securities have been in a continuous unrealized loss position, unrealized losses | (29,443) | (26,591)
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 275,314 |
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | (1,663) |
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 125,388 | 133,312
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ (27,780) | $ (26,591)
GNMA [Member] |  |
Securities have been in a continuous unrealized loss position, number of positions | 8 | 7
Securities have been in a continuous unrealized loss position, fair value | $ 24,069 | $ 10,466
Securities have been in a continuous unrealized loss position, unrealized losses | (2,003) | (1,740)
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 17,903 | 3,867
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | (147) | (34)
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 6,166 | 6,599
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ (1,856) | $ (1,706)
FNMA [Member] |  |
Held-to-maturity securities have been in a continuous unrealized loss position, number of positions | 1 | 1
Held-to-maturity securities have been in a continuous unrealized loss position, fair value | $ 6,917 | $ 7,058
Held-to-maturity securities have been in a continuous unrealized loss position, unrealized loss | (929) | (797)
Held-to-maturity securities have been in a continuous unrealized loss position, 12 months or more, fair value | 6,917 | 7,058
Held-to-maturity securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ (929) | $ (797)
Securities have been in a continuous unrealized loss position, number of positions | 43 | 44
Securities have been in a continuous unrealized loss position, fair value | $ 124,739 | $ 133,394
Securities have been in a continuous unrealized loss position, unrealized losses | (23,192) | (20,935)
Securities have been in a continuous unrealized loss position, less than 12 months, fair value |  | 2,044
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses |  | (1)
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 124,739 | 131,350
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ (23,192) | $ (20,934)
FHLMC [Member] |  |
Securities have been in a continuous unrealized loss position, number of positions | 18 | 18
Securities have been in a continuous unrealized loss position, fair value | $ 70,244 | $ 75,031
Securities have been in a continuous unrealized loss position, unrealized losses | (15,959) | (14,396)
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 70,244 | 75,031
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ (15,959) | $ (14,396)

X
- Definition Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for 12 months or longer. + References No definition available. + Details
Name: | ffic_DebtSecuritiesHeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
Namespace Prefix: | ffic_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position. + References No definition available. + Details
Name: | ffic_DebtSecuritiesHeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
Namespace Prefix: | ffic_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position. + References No definition available. + Details
Name: | ffic_DebtSecuritiesHeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue
Namespace Prefix: | ffic_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity), in continuous unrealized loss position for 12 months or longer. + References No definition available. + Details
Name: | ffic_DebtSecuritiesHeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
Namespace Prefix: | ffic_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479081/326-30-55-8 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-7 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479106/326-30-50-5 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479106/326-30-50-5 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479081/326-30-55-8 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-7 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479106/326-30-50-5 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479106/326-30-50-5 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479081/326-30-55-8 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479106/326-30-50-4 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479106/326-30-50-4 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479106/326-30-50-4 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Disclosure regarding factors used to determine that the impairment of securities categorized as held-to-maturity where cost exceeds fair value is not an other than temporary impairment (OTTI). This item contains disclosure of the number of investment positions in the held-to-maturity investments determined to be temporarily impaired. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-6 + Details
Name: | us-gaap_HeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=ffic_TotalOtherSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USStatesAndPoliticalSubdivisionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CollateralizedDebtObligationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_MortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=ffic_REMICAndCMOMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=ffic_GNMAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=ffic_FNMAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=ffic_FHLMCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |