Income Taxes - Deferred tax assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Investment in DMS Holdings LLC	$ 58,622	$ 34,137
Reserve accruals	65	156
Charitable contributions	23	18
Interest carryforward	10,681	5,131
Tax credit carryforwards	823	1,013
Property and equipment	0	(7)
Intangibles	1,709	0
Operating lease liabilities	190	343
Net operating loss	1,851	2,863
Total gross deferred tax assets	73,964	43,654
Less: Valuation allowance	(71,942)	(41,829)
Total deferred tax assets, net	2,022	1,825
Deferred tax liabilities:
Intangibles	0	(1,295)
Property and equipment	(1)	0
Operating lease right-of-use assets	(62)	(119)
Undistributed earnings	(2,273)	(1,523)
Total deferred tax liabilities	(2,336)	(2,937)
Net deferred tax liabilities	$ (314)	$ (1,112)