| Component: (Network and Table) | |
|---|---|
| Network | 2411404 - Disclosure - Goodwill and Intangible Assets (Amortization Expense) (Details) (http://atlanticcapitalbank.com/role/GoodwillAndIntangibleAssetsAmortizationExpenseDetails) |
| Table | Schedule of Finite-Lived Intangible Assets [Table] |
| Reporting Entity [Axis] | 0001461755 (http://www.sec.gov/CIK) |
| Finite-Lived Intangible Assets by Major Class [Axis] | Core Deposits |
| Finite-Lived Intangible Assets [Line Items] | Period [Axis] | ||
|---|---|---|---|
2016-12-31 | 2015-12-31 | 2014-12-31 | |
2017 | |||
2018 | |||
2019 | |||
2020 | |||
2021 | |||
Thereafter | |||
Total | 4,624,000 | 9,018,000 | 0 |