v3.26.1
Capital Ratios (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Capital Ratios    
Minimum capital required, capital amount $ 3,836,103 $ 3,625,944
Common equity Tier 1 to risk-weighted assets    
Actual, capital amount $ 6,096,084 $ 5,885,568
Actual, ratio (as a percent) 11.12% 11.36%
Minimum capital required, capital amount $ 4,658,125 $ 4,402,932
Minimum capital required, ratio (as a percent) 0.07% 7.00%
Required to be considered well capitalized, capital amount $ 3,562,095 $ 3,366,948
Required to be considered well capitalized, ratio (as a percent) 0.065% 0.065%
Tier I capital to risk-weighted assets    
Actual, capital amount $ 6,096,084 $ 5,885,568
Actual, ratio (as a percent) 0.1112 0.1136
Minimum capital required, capital amount $ 4,658,125 $ 4,402,932
Minimum capital required, ratio (as a percent) 0.085 0.085
Required to be considered well capitalized, capital amount $ 4,384,117 $ 4,143,936
Required to be considered well capitalized, ratio (as a percent) 0.08 0.08
Total capital to risk-weighted assets    
Actual, capital amount $ 7,394,701 $ 7,166,829
Actual, ratio (as a percent) 0.1349 0.1384
Minimum capital required, capital amount $ 5,754,154 $ 5,438,915
Minimum capital required, ratio (as a percent) 0.105 0.105
Required to be considered well capitalized, capital amount $ 5,480,147 $ 5,179,920
Required to be considered well capitalized, ratio (as a percent) 0.10 0.10
Tier I capital to average assets (leverage ratio)    
Actual, capital amount $ 6,096,084 $ 5,885,568
Actual, ratio (as a percent) 0.0939 0.0926
Minimum capital required, capital amount $ 2,596,800 $ 2,543,294
Minimum capital required, ratio (as a percent) 0.04 0.04
Required to be considered well capitalized, capital amount $ 3,246,000 $ 3,179,117
Required to be considered well capitalized, ratio (as a percent) 0.05 0.05
SouthState Bank (the Bank)    
Capital Ratios    
Minimum capital required, capital amount $ 3,834,053 $ 3,625,076
Common equity Tier 1 to risk-weighted assets    
Actual, capital amount $ 6,663,891 $ 6,496,379
Actual, ratio (as a percent) 12.17% 12.54%
Minimum capital required, capital amount $ 4,655,636 $ 4,401,878
Minimum capital required, ratio (as a percent) 0.07% 7.00%
Required to be considered well capitalized, capital amount $ 3,560,192 $ 3,366,142
Required to be considered well capitalized, ratio (as a percent) 0.065% 0.065%
Tier I capital to risk-weighted assets    
Actual, capital amount $ 6,663,891 $ 6,496,379
Actual, ratio (as a percent) 0.1217 0.1254
Minimum capital required, capital amount $ 4,655,636 $ 4,401,878
Minimum capital required, ratio (as a percent) 0.085 0.085
Required to be considered well capitalized, capital amount $ 4,381,775 $ 4,142,944
Required to be considered well capitalized, ratio (as a percent) 0.08 0.08
Total capital to risk-weighted assets    
Actual, capital amount $ 7,266,907 $ 7,082,039
Actual, ratio (as a percent) 0.1327 0.1368
Minimum capital required, capital amount $ 5,751,080 $ 5,437,614
Minimum capital required, ratio (as a percent) 0.105 0.105
Required to be considered well capitalized, capital amount $ 5,477,219 $ 5,178,680
Required to be considered well capitalized, ratio (as a percent) 0.10 0.10
Tier I capital to average assets (leverage ratio)    
Actual, capital amount $ 6,663,891 $ 6,496,379
Actual, ratio (as a percent) 0.1028 0.1022
Minimum capital required, capital amount $ 2,592,383 $ 2,542,489
Minimum capital required, ratio (as a percent) 0.04 0.04
Required to be considered well capitalized, capital amount $ 3,240,478 $ 3,178,111
Required to be considered well capitalized, ratio (as a percent) 0.05 0.05