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Business Combinations - Narrative (Details) - USD ($) $ in Thousands |  | 2 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Feb. 01, 2020 | Mar. 31, 2020 | Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019
Business Acquisition [Line Items] |  |  |  |  |  |  |
Merger-related expenses |  |  | $ 3,507 | $ 3,892 | $ 12,108 | $ 9,695 |
Goodwill recorded for Community Financial |  |  | 350,298 |  | $ 350,298 |  | $ 349,398
Premium for deposits sold (percent) |  |  |  |  | 8.00% |  |
Community Financial |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Cash consideration | $ 2,300 |  |  |  |  |  |
Merger-related expenses |  |  | 342 |  | $ 2,100 |  |
Interest income |  | $ 4,100 |  |  |  |  |
Purchase price | 2,320 |  |  |  |  |  |
Assets | 221,400 |  |  |  |  |  |
PCD Loans | 23,400 |  |  |  |  |  |
Non-PCD Loans | 110,600 |  |  |  |  |  |
Allowance for credit losses | 1,200 |  |  |  |  |  |
Deposits | 209,340 |  |  |  |  |  |
Intangible assets | 536 |  |  |  |  |  |
Liabilities assumed | 219,766 |  |  |  |  |  |
Goodwill recorded for Community Financial | $ 686 |  |  |  |  |  |
Entegra Financial |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Loans and leases divested |  |  | 110,100 |  | 110,100 |  |
Premises and equipment divested |  |  | 2,100 |  | 2,100 |  |
Deposits divested |  |  | $ 184,800 |  | $ 184,800 |  |

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