Equity Capital	9 Months Ended
	Sep. 30, 2023
Equity [Abstract]
Equity Capital	Equity CapitalThe Company is well-capitalized and at September 30, 2023, the Company and the Company’s principal banking subsidiary, Seacoast Bank, exceeded the common equity Tier 1 (CET1) capital ratio regulatory threshold of 6.5% for well-capitalized institutions under the Basel III standardized transition approach, as well as risk-based and leverage ratio requirements for well-capitalized banks under the regulatory framework for prompt corrective action.