Borrowings - Additional Information (Details) - USD ($)		12 Months Ended
Oct. 07, 2022	Dec. 31, 2022
Debt Instrument [Line Items]
Secured lines of credit		$ 2,400,000,000
Average interest rate on Federal Home Loan Bank borrowings		3.22%
Weighted average interest rate on balances outstanding		3.42%
Subordinated Debt
Debt Instrument [Line Items]
Debt	$ 12,300,000
Interest rate	5.50%
Fair value adjustment	$ 400,000
Subordinated Debt \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate	5.33%
Secured Lines of Credit
Debt Instrument [Line Items]
Advances from Federal Home Loan Banks		$ 150,000,000
Trust I & II
Debt Instrument [Line Items]
Junior subordinated deferrable interest notes issued		41,200,000
SBCF Statutory Trust III
Debt Instrument [Line Items]
Junior subordinated deferrable interest notes issued		$ 12,400,000

Proceeds from junior subordinated deferrable interest notes.

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- Definition

Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Weighted average interest rate of debt outstanding.

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- Definition

Weighted average interest rate on advances made and reported by Federal Home Loan Bank (FHLBank).

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- Definition

Amount of addition (reduction) to the amount at which a liability could be incurred (settled) in a current transaction between willing parties.

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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