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Income Taxes - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018 | Sep. 01, 2018 | Jul. 31, 2015
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Income taxes | $ 11,132 | $ 8,532 | $ 38,667 | $ 28,629 |  |  |
Effective income tax rate |  |  | 23.04% | 21.83% |  |  |
Domestic Tax Authority | Brand |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Operating loss carryforwards |  |  |  |  | $ 71,963 | $ 83,960 |
Domestic Tax Authority | Heritage Financial Group |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Operating loss carryforwards |  |  |  |  | 4,956 |  | $ 18,321
State and Local Jurisdiction | Brand |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Operating loss carryforwards |  |  |  |  | 63,218 | $ 67,168 |
State and Local Jurisdiction | Heritage Financial Group |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Operating loss carryforwards |  |  |  |  | $ 2,365 |  | $ 16,877

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