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Related Party Transactions (Details) - South State Bank (the Bank) - Directors and executive officers, their immediate families and their business interests - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Related Party Transactions |  |
Loans outstanding | $ 37.5 | $ 23.5
Additional loans made | 32.5 |
Repayments received | 18.5 |
Related party deposits | $ 21.8 | $ 17.7

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