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Capital Ratios (Details) - USD ($) $ in Thousands | 3 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2023 | Dec. 31, 2022 | Jan. 31, 2020 | Jan. 01, 2019
Regulatory Matters |  |  |  |  |  |
Capital conversion buffer common equity Tier 1 of risk-weighted assets (as a percent) |  |  |  |  |  | 0.025%
Additional allowance for credit losses for loans | $ 469,654 | $ 456,573 | $ 370,645 | $ 356,444 |  |
Deferred tax assets | 170,818 | 164,354 |  |  |  |
Additional reserve for unfunded commitments | 53,200 |  |  |  |  |
Retained earnings | $ 1,749,215 | 1,685,166 |  |  |  |
Phasing out percentage | 25.00% |  |  |  |  |
Common equity Tier 1 to risk-weighted assets |  |  |  |  |  |
Actual, Capital Amount | $ 4,203,524 | $ 4,159,187 |  |  |  |
Actual, Ratio (as a percent) | 0.1195% | 11.75% |  |  |  |
Required to be considered well capitalized, Capital Amount | $ 2,285,534 | $ 2,300,003 |  |  |  |
Required to be considered well capitalized, Ratio (as a percent) | 0.065% | 6.50% |  |  |  |
Tier I capital to risk-weighted assets |  |  |  |  |  |
Actual, Capital Amount | $ 4,203,524 | $ 4,159,187 |  |  |  |
Actual, Ratio (as a percent) | 0.1195 | 0.1175 |  |  |  |
Required to be considered well capitalized, Capital Amount | $ 2,812,965 | $ 2,830,773 |  |  |  |
Required to be considered well capitalized, Ratio (as a percent) | 0.0800 | 0.0800 |  |  |  |
Total capital to risk-weighted assets |  |  |  |  |  |
Actual, Capital Amount | $ 5,036,477 | $ 4,983,012 |  |  |  |
Actual, Ratio (as a percent) | 0.1432 | 0.1408 |  |  |  |
Required to be considered well capitalized, Capital Amount | $ 3,516,206 | $ 3,538,466 |  |  |  |
Required to be considered well capitalized, Ratio (as a percent) | 0.1000 | 0.1000 |  |  |  |
Tier I capital to average assets (leverage ratio) |  |  |  |  |  |
Actual, Capital Amount | $ 4,203,524 | $ 4,159,187 |  |  |  |
Actual, Ratio (as a percent) | 0.0958 | 0.0942 |  |  |  |
Required to be considered well capitalized, Capital Amount | $ 2,193,216 | $ 2,206,619 |  |  |  |
Required to be considered well capitalized, Ratio (as a percent) | 0.0500 | 0.0500 |  |  |  |
ASU 2016-13 |  |  |  |  |  |
Regulatory Matters |  |  |  |  |  |
Additional allowance for credit losses for loans |  |  |  |  | $ 54,400 |
Deferred tax assets |  |  |  |  | 12,600 |
Retained earnings |  |  |  |  | 44,800 |
ASU 2016-13 | Adjustments |  |  |  |  |  |
Regulatory Matters |  |  |  |  |  |
Additional reserve for unfunded commitments |  |  |  |  | $ 6,400 |
SouthState Bank (the Bank) |  |  |  |  |  |
Common equity Tier 1 to risk-weighted assets |  |  |  |  |  |
Actual, Capital Amount | $ 4,447,788 | $ 4,424,466 |  |  |  |
Actual, Ratio (as a percent) | 0.1267% | 12.52% |  |  |  |
Required to be considered well capitalized, Capital Amount | $ 2,282,481 | $ 2,297,250 |  |  |  |
Required to be considered well capitalized, Ratio (as a percent) | 0.065% | 6.50% |  |  |  |
Tier I capital to risk-weighted assets |  |  |  |  |  |
Actual, Capital Amount | $ 4,447,788 | $ 4,424,466 |  |  |  |
Actual, Ratio (as a percent) | 0.1267 | 0.1252 |  |  |  |
Required to be considered well capitalized, Capital Amount | $ 2,809,208 | $ 2,827,384 |  |  |  |
Required to be considered well capitalized, Ratio (as a percent) | 0.0800 | 0.0800 |  |  |  |
Total capital to risk-weighted assets |  |  |  |  |  |
Actual, Capital Amount | $ 4,890,571 | $ 4,858,292 |  |  |  |
Actual, Ratio (as a percent) | 0.1393 | 0.1375 |  |  |  |
Required to be considered well capitalized, Capital Amount | $ 3,511,510 | $ 3,534,230 |  |  |  |
Required to be considered well capitalized, Ratio (as a percent) | 0.1000 | 0.1000 |  |  |  |
Tier I capital to average assets (leverage ratio) |  |  |  |  |  |
Actual, Capital Amount | $ 4,447,788 | $ 4,424,466 |  |  |  |
Actual, Ratio (as a percent) | 0.1014 | 0.1003 |  |  |  |
Required to be considered well capitalized, Capital Amount | $ 2,192,423 | $ 2,205,921 |  |  |  |
Required to be considered well capitalized, Ratio (as a percent) | 0.0500 | 0.0500 |  |  |  |
Fully Phased-In |  |  |  |  |  |
Common equity Tier 1 to risk-weighted assets |  |  |  |  |  |
Actual, Capital Amount | $ 2,461,344 | $ 2,476,926 |  |  |  |
Minimum capital required, Capital Amount | $ 2,988,775 | $ 3,007,696 |  |  |  |
Minimum capital required, Ratio (as a percent) | 0.07% | 7.00% |  |  |  |
Tier I capital to risk-weighted assets |  |  |  |  |  |
Minimum capital required, Capital Amount | $ 2,988,775 | $ 3,007,696 |  |  |  |
Minimum capital required, Ratio (as a percent) | 0.0850 | 0.0850 |  |  |  |
Total capital to risk-weighted assets |  |  |  |  |  |
Minimum capital required, Capital Amount | $ 3,692,016 | $ 3,715,389 |  |  |  |
Minimum capital required, Ratio (as a percent) | 0.1050 | 0.1050 |  |  |  |
Tier I capital to average assets (leverage ratio) |  |  |  |  |  |
Minimum capital required, Capital Amount | $ 1,754,572 | $ 1,765,295 |  |  |  |
Minimum capital required, Ratio (as a percent) | 0.0400 | 0.0400 |  |  |  |
Fully Phased-In | SouthState Bank (the Bank) |  |  |  |  |  |
Common equity Tier 1 to risk-weighted assets |  |  |  |  |  |
Actual, Capital Amount | $ 2,458,057 | $ 2,473,961 |  |  |  |
Minimum capital required, Capital Amount | $ 2,984,783 | $ 3,004,096 |  |  |  |
Minimum capital required, Ratio (as a percent) | 0.07% | 7.00% |  |  |  |
Tier I capital to risk-weighted assets |  |  |  |  |  |
Minimum capital required, Capital Amount | $ 2,984,783 | $ 3,004,096 |  |  |  |
Minimum capital required, Ratio (as a percent) | 0.0850 | 0.0850 |  |  |  |
Total capital to risk-weighted assets |  |  |  |  |  |
Minimum capital required, Capital Amount | $ 3,687,085 | $ 3,710,942 |  |  |  |
Minimum capital required, Ratio (as a percent) | 0.1050 | 0.1050 |  |  |  |
Tier I capital to average assets (leverage ratio) |  |  |  |  |  |
Minimum capital required, Capital Amount | $ 1,753,939 | $ 1,764,736 |  |  |  |
Minimum capital required, Ratio (as a percent) | 0.0400 | 0.0400 |  |  |  |
Minimum |  |  |  |  |  |
Common equity Tier 1 to risk-weighted assets |  |  |  |  |  |
Actual, Ratio (as a percent) | 0.045% |  |  |  |  |
Tier I capital to risk-weighted assets |  |  |  |  |  |
Minimum capital required, Ratio (as a percent) | 0.06 |  |  |  |  |
Total capital to risk-weighted assets |  |  |  |  |  |
Actual, Ratio (as a percent) | 0.04 |  |  |  |  |
Tier I capital to average assets (leverage ratio) |  |  |  |  |  |
Actual, Ratio (as a percent) | 0.08 |  |  |  |  |

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