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BUSINESS COMBINATIONS - Schedule of Assets and Liabilities Acquired (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Aug. 01, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Jul. 30, 2021
Purchase price consideration: |  |  |  |
Cash consideration paid |  | $ 0 | $ 4,210 |
Liabilities assumed at fair value: |  |  |  |
Amount of goodwill resulting from acquisition |  | $ 48,923 | $ 52,906 |
LBC Bancshares, Inc |  |  |  |
Purchase price consideration: |  |  |  |
Shares of CBAN common stock issued to Southcrest shareholders (in shares) | 3,987,815 |  |  |
Market price of CBAN common stock on July 30, 2021 (in dollars per share) |  |  |  | $ 17.90
Estimated fair value of CBAN common stock issued | $ 71,382 |  |  |
Cash consideration paid | 21,620 |  |  |
Total consideration | 93,002 |  |  |
Assets acquired at fair value: |  |  |  |
Cash and cash equivalents | 59,131 |  |  |
Investments securities available for sale | 317,857 |  |  |
Restricted investments | 3,196 |  |  |
Loans | 307,456 |  |  |
Premises and equipment | 8,543 |  |  |
Core deposit intangible | 4,025 |  |  |
Other real estate | 538 |  |  |
Prepaid and other assets | 25,393 |  |  |
Total fair value of assets acquired | 726,139 |  |  |
Liabilities assumed at fair value: |  |  |  |
Deposits | (631,375) |  |  |
FHLB advances | (29,064) |  |  |
Payables and other liabilities | (7,735) |  |  |
Total fair value of liabilities assumed | (668,174) |  |  |
Net assets acquired at fair value: | $ 57,965 |  |  |

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