Borrowings - Schedule of Junior Subordinated Debentures and Related Trust Preferred and Common Equity Securities (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2025 USD ($)
Debt Instrument [Line Items]
Junior Subordinated Debt	$ 75,261
Trust Preferred Securities	73,000
Common Equity Securities	2,261
Unamortized debt discount	5,600
SBCF Capital Trust I
Debt Instrument [Line Items]
Junior Subordinated Debt	20,619
Trust Preferred Securities	20,000
Common Equity Securities	$ 619
Contractual Interest Rate	2.01%
Interest rate on junior subordinated loans	5.68%
SBCF Statutory Trust II
Debt Instrument [Line Items]
Junior Subordinated Debt	$ 20,619
Trust Preferred Securities	20,000
Common Equity Securities	$ 619
Contractual Interest Rate	1.59%
Interest rate on junior subordinated loans	5.31%
SBCF Statutory Trust III
Debt Instrument [Line Items]
Junior Subordinated Debt	$ 12,372
Trust Preferred Securities	12,000
Common Equity Securities	$ 372
Contractual Interest Rate	1.61%
Interest rate on junior subordinated loans	5.33%
The BANKshares, Inc. Statutory Trust I
Debt Instrument [Line Items]
Junior Subordinated Debt	$ 5,155
Trust Preferred Securities	5,000
Common Equity Securities	$ 155
Contractual Interest Rate	3.51%
Interest rate on junior subordinated loans	7.20%
The BANKshares, Inc. Statutory Trust II
Debt Instrument [Line Items]
Junior Subordinated Debt	$ 4,124
Trust Preferred Securities	4,000
Common Equity Securities	$ 124
Contractual Interest Rate	3.05%
Interest rate on junior subordinated loans	6.76%
The BANKshares, Inc. Capital Trust I
Debt Instrument [Line Items]
Junior Subordinated Debt	$ 5,155
Trust Preferred Securities	5,000
Common Equity Securities	$ 155
Contractual Interest Rate	1.65%
Interest rate on junior subordinated loans	5.53%
Grand Bank Capital Trust I
Debt Instrument [Line Items]
Junior Subordinated Debt	$ 7,217
Trust Preferred Securities	7,000
Common Equity Securities	$ 217
Contractual Interest Rate	1.98%
Interest rate on junior subordinated loans	5.93%