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Subsequent Events (Details) $ / shares in Units, $ in Thousands | Apr. 30, 2020 USD ($) loan $ / shares | Apr. 29, 2020 shares | Jan. 25, 2020 USD ($) | Mar. 31, 2020 USD ($)
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Subsequent events |  |  |  |
Total loans - ASU 2016-13 |  |  |  | $ 11,506,890
CenterState Shareholders [Member] |  |  |  |
Subsequent events |  |  |  |
Ownership percentage |  |  | 53.00% |
South State Shareholders [Member] |  |  |  |
Subsequent events |  |  |  |
Ownership percentage |  |  | 47.00% |
Center State Bank Corporation |  |  |  |
Subsequent events |  |  |  |
Fixed exchange ratio for shares issued |  |  | 0.3001 |
Aggregate consideration |  |  | $ 2,200,000 |
Center State Bank Corporation | CenterState Shareholders [Member] |  |  |  |
Subsequent events |  |  |  |
Total assets |  |  |  | 18,600,000
Loans |  |  |  | 12,000,000
Deposits |  |  |  | 14,100,000
Commercial loans |  |  |  |
Subsequent events |  |  |  |
Total loans - ASU 2016-13 |  |  |  | 7,042,466
Consumer |  |  |  |
Subsequent events |  |  |  |
Total loans - ASU 2016-13 |  |  |  | $ 4,464,424
Subsequent event |  |  |  |
Subsequent events |  |  |  |
Deferred loan payments | $ 2,400,000 |  |  |
Subsequent event | Center State Bank Corporation | CenterState Shareholders [Member] |  |  |  |
Subsequent events |  |  |  |
Common stock shares outstanding | shares |  | 124,132,401 |  |
Subsequent event | Center State Bank Corporation | South State Shareholders [Member] |  |  |  |
Subsequent events |  |  |  |
Share Price | $ / shares | $ 57.84 |  |  |
Subsequent event | Payroll Protection Program ("PPP") |  |  |  |
Subsequent events |  |  |  |
Number of loans | loan | 9,300 |  |  |
Total loans - ASU 2016-13 | $ 1,100,000 |  |  |
Subsequent event | Commercial loans |  |  |  |
Subsequent events |  |  |  |
Deferral period for principal and interest | 90 days |  |  |
Deferral period for principal only | 120 days |  |  |
Subsequent event | Consumer |  |  |  |
Subsequent events |  |  |  |
Deferral period for principal and interest | 120 days |  |  |

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