Income Taxes - Additional information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2023
Income Taxes
Accrued interest and penalties	$ 0	$ 1,700
Unrecognized tax benefits	0	13,045
Federal
Income Taxes
Operating loss carryforwards	78,500	61,000
Federal | Atlantic Capital Bank
Income Taxes
Operating loss carryforwards	48,400
Net operating loss carryforwards from previous acquisitions	40,600
Net operating loss carryforwards on final tax return	7,800
NOL fully utilized	7,800
Annual limitation on operating loss carryforwards	4,800
Valuation allowance relating to operating loss carryforwards		17,500
State
Income Taxes
Operating loss carryforwards	160,400	115,400
Valuation allowance relating to operating loss carryforwards	$ 96,800	$ 3,900