Regulatory Capital (Tables)

12 Months Ended

Dec. 31, 2025

Banking And Thrift Disclosure [Abstract]

At December 31, 2025 and 2024, the Company and Seacoast Bank, its wholly-owned banking subsidiary, were both considered “well-capitalized” based on the applicable U.S. regulatory capital ratio requirements as reflected in the table below:


					Minimum to meet “Well Capitalized” Requirements					Minimum for Capital Adequacy Purpose1
(Dollars in thousands)	Amount		Ratio		Amount			Ratio		Amount			Ratio
Seacoast Banking Corporation of Florida
(Consolidated)

At December 31, 2025:
Total Risk-Based Capital Ratio	$	2,246,521	15.89	%	N/A			N/A		$	1,131,079	≥	8.00	%
Tier 1 Capital Ratio	2,047,334		14.48		N/A			N/A		848,309		≥	6.00
CET1 Capital Ratio	1,631,436		11.54		N/A			N/A		636,232		≥	4.50
Leverage Ratio	2,047,334		10.16		N/A			N/A		806,011		≥	4.00
At December 31, 2024:
Total Risk-Based Capital Ratio	$	1,785,247	16.18	%	N/A			N/A		$	882,582	≥	8.00	%
Tier 1 Capital Ratio	1,633,819		14.81		N/A			N/A		661,937		≥	6.00
CET1 Capital Ratio	1,561,325		14.15		N/A			N/A		496,453		≥	4.50
Leverage Ratio	1,633,819		11.19		N/A			N/A		584,274		≥	4.00

Seacoast National Bank
(A Wholly Owned Bank Subsidiary)
At December 31, 2025:
Total Risk-Based Capital Ratio	$	2,128,607	15.07	%	$	1,412,323	≥	10.00	%	$	1,129,858	≥	8.00	%
Tier 1 Capital Ratio	1,952,001		13.82		1,129,858		≥	8.00		847,394		≥	6.00
CET1 Capital Ratio	1,951,997		13.82		918,010		≥	6.50		635,545		≥	4.50
Leverage Ratio	1,952,001		9.69		1,006,774		≥	5.00		805,419		≥	4.00
At December 31, 2024:
Total Risk-Based Capital Ratio	$	1,685,451	15.30	%	$	1,101,383	≥	10.00	%	$	881,106	≥	8.00	%
Tier 1 Capital Ratio	1,555,986		14.13		881,106		≥	8.00		660,830		≥	6.00
CET1 Capital Ratio	1,555,980		14.13		715,899		≥	6.50		495,622		≥	4.50
Leverage Ratio	1,555,986		10.66		729,699		≥	5.00		583,760		≥	4.00
1Excludes the Basel III capital conservation buffer of 2.5%, which if not exceeded may constrain dividends, equity repurchases and compensation.
N/A - not applicable.