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Income Taxes - Additional Information (Details) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Sep. 01, 2018 | Jul. 31, 2015
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Revaluation of net deferred tax assets as a result of the Tax Cuts and Jobs Act | $ 0 | $ 0 | $ 14,486,000 |  |
Effective tax rate | 22.30% | 22.12% |  |  |
Operating loss carryforwards allowance | $ 0 |  |  |  |
Accrued interest and penalties related to unrecognized tax benefits | 105,000 | $ 244,000 | 169,000 |  |
Federal |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Operating loss carryforwards |  | 36,006,000 | 76,919,000 |  |
State |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Operating loss carryforwards |  | $ 40,806,000 | $ 65,583,000 |  |
Brand Group Holdings, Inc. | Federal |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Operating loss carryforwards |  |  |  | $ 81,288,000 |
Operating loss carryforwards, not subject to expiration | 32,014,000 |  |  |  |
Brand Group Holdings, Inc. | State |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Operating loss carryforwards |  |  |  | $ 55,067,000 |
Operating loss carryforwards, not subject to expiration | 36,973,000 |  |  |  |
Heritage Financial Group | Federal |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Operating loss carryforwards | 3,992,000 |  |  |  | $ 18,321,000
Heritage Financial Group | State |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Operating loss carryforwards | $ 3,313,000 |  |  |  | $ 16,849,000

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- Definition Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Change In Tax Rate, Deferred Tax Asset, Provisional Income Tax Expense (Benefit) + References No definition available. + Details
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