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Equity Capital	6 Months Ended
Equity Capital	Jun. 30, 2019
Equity [Abstract]
Equity Capital	Equity Capital The Company is well capitalized and at June 30, 2019, 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.