XML 54 R44.htm IDEA: XBRL DOCUMENT
v3.22.1

INVESTMENTS - Summary of Investment Securities by Estimated Maturity (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Held-to-Maturity Amortized Cost |  |
Amortized Cost | $ 92,597 | $ 98,420
Held-to-Maturity Market Value |  |
Debt Securities, Held-to-maturity, Fair Value | 90,001 | 99,898
Available-for-Sale Amortized Cost |  |
Debt Securities, Available-for-sale, Amortized Cost | 4,113,169 | 4,180,589
Available-for-Sale Market Value |  |
Investment securities available-for-sale | 3,957,882 | 4,207,846
One Year or Less [Member] |  |
Held-to-Maturity Amortized Cost |  |
Amortized Cost | 0 |
Held-to-Maturity Market Value |  |
Debt Securities, Held-to-maturity, Fair Value | 0 |
Available-for-Sale Amortized Cost |  |
Debt Securities, Available-for-sale, Amortized Cost | 11,539 |
Available-for-Sale Market Value |  |
Investment securities available-for-sale | 11,556 |
After One Year Through Five Years [Member] |  |
Held-to-Maturity Amortized Cost |  |
Amortized Cost | 1,072 |
Held-to-Maturity Market Value |  |
Debt Securities, Held-to-maturity, Fair Value | 1,092 |
Available-for-Sale Amortized Cost |  |
Debt Securities, Available-for-sale, Amortized Cost | 89,910 |
Available-for-Sale Market Value |  |
Investment securities available-for-sale | 89,562 |
After Five Years Through Ten Years [Member] |  |
Held-to-Maturity Amortized Cost |  |
Amortized Cost | 36,271 |
Held-to-Maturity Market Value |  |
Debt Securities, Held-to-maturity, Fair Value | 35,340 |
Available-for-Sale Amortized Cost |  |
Debt Securities, Available-for-sale, Amortized Cost | 357,140 |
Available-for-Sale Market Value |  |
Investment securities available-for-sale | 348,300 |
After Ten Years [Member] |  |
Held-to-Maturity Amortized Cost |  |
Amortized Cost | 2,263 |
Held-to-Maturity Market Value |  |
Debt Securities, Held-to-maturity, Fair Value | 2,268 |
Available-for-Sale Amortized Cost |  |
Debt Securities, Available-for-sale, Amortized Cost | 854,887 |
Available-for-Sale Market Value |  |
Investment securities available-for-sale | 816,480 |
Residential Mortgage Backed Securities [Member] |  |
Held-to-Maturity Amortized Cost |  |
Amortized Cost | 0 | 0
Held-to-Maturity Market Value |  |
Debt Securities, Held-to-maturity, Fair Value | 0 | 0
Available-for-Sale Amortized Cost |  |
Debt Securities, Available-for-sale, Amortized Cost | 709,888 | 728,050
Available-for-Sale Market Value |  |
Investment securities available-for-sale | 667,072 | 724,137
Commercial Mortgage Backed Securities [Member] |  |
Held-to-Maturity Amortized Cost |  |
Amortized Cost | 42,211 | 46,362
Held-to-Maturity Market Value |  |
Debt Securities, Held-to-maturity, Fair Value | 40,808 | 47,013
Available-for-Sale Amortized Cost |  |
Debt Securities, Available-for-sale, Amortized Cost | 754,978 | 729,948
Available-for-Sale Market Value |  |
Investment securities available-for-sale | 737,430 | 731,890
Collateralized Mortgage Backed Securities [Member] |  |
Held-to-Maturity Amortized Cost |  |
Amortized Cost | 10,780 | 11,882
Held-to-Maturity Market Value |  |
Debt Securities, Held-to-maturity, Fair Value | 10,493 | 12,103
Available-for-Sale Amortized Cost |  |
Debt Securities, Available-for-sale, Amortized Cost | 621,240 | 696,258
Available-for-Sale Market Value |  |
Investment securities available-for-sale | 594,855 | 697,740
Asset-backed Securities [Member] |  |
Held-to-Maturity Amortized Cost |  |
Amortized Cost | 0 | 0
Held-to-Maturity Market Value |  |
Debt Securities, Held-to-maturity, Fair Value | 0 | 0
Available-for-Sale Amortized Cost |  |
Debt Securities, Available-for-sale, Amortized Cost | 713,587 | 720,638
Available-for-Sale Market Value |  |
Investment securities available-for-sale | $ 692,627 | $ 719,581

X
- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 + Details
Name: | us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

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). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919253-210447 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953401-111524 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27232-111563 + Details
Name: | us-gaap_HeldToMaturitySecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

X
- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27232-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123581744&loc=SL120269820-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_InvestmentTypeAxis=ffbc_OneYearOrLessMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=ffbc_AfterOneYearThroughFiveYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=ffbc_AfterFiveYearsThroughTenYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=ffbc_AfterTenYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_ResidentialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_CommercialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_AssetBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |