Income Taxes - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Sep. 01, 2018	Dec. 31, 2015
Operating Loss Carryforwards [Line Items]
Income taxes	$ 7,612	$ 11,132	$ 13,022	$ 38,667
Effective income tax rate			20.28%	23.04%
Domestic tax authority | Brand
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	2,248		$ 2,248		$ 81,288
Domestic tax authority | Heritage financial group
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	3,269		3,269			$ 18,321
State and local jurisdiction | Brand
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	28,495		28,495		$ 55,067
State and local jurisdiction | Heritage financial group
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 2,446		$ 2,446			$ 16,849