XML 60 R49.htm IDEA: XBRL DOCUMENT
v3.25.2

Securities Sold Under Agreements to Repurchase (Details) - Asset Pledged as Collateral - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Fair value of pledged securities - overnight and continuous: |  |
Fair value of debt securities pledged as collateral | $ 1,400,000 |
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities | Fair Value | Repurchase Agreement |  |
Fair value of pledged securities - overnight and continuous: |  |
Fair value of debt securities pledged as collateral | $ 229,936 | $ 237,074

X
- Definition Fair Value Of Pledged Securities Overnight And Continuous [Abstract] + References No definition available. + Details
Name: | sbcf_FairValueOfPledgedSecuritiesOvernightAndContinuousAbstract
Namespace Prefix: | sbcf_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The aggregate fair value as of the balance sheet date of financial instruments and other positions owned by the entity including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. Includes both pledged and unpledged holdings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 940 -SubTopic 320 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479035/940-320-45-2 + Details
Name: | us-gaap_FinancialInstrumentsOwnedAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_PledgedStatusAxis=us-gaap_AssetPledgedAsCollateralMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CustomerSecuritiesForWhichEntityHasRightToSellOrRepledgeAxis=us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementBasisAxis=us-gaap_EstimateOfFairValueFairValueDisclosureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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