Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred Tax Assets
Start-up and organizational costs	$ 59	$ 84
Goodwill	17,501	12,281
Operating lease liabilities	10,015	16,362
Accrued expenses	11,530	9,326
Stock based compensation	3,283	1,263
Net operating loss carryforwards	123,147	131,317
Federal and state research tax credits	4,467	1,828
Fixed assets	666	393
Interest deduction limitation	20,460	7,089
Outside basis differences	70	650
Other	7,417	6,677
Subtotal	198,615	187,270
Valuation allowance	(32,004)	(70,790)
Total deferred tax assets	166,611	116,480
Deferred Tax Liabilities
Internally developed software costs	5,697	11,173
Intangible assets	165,742	89,784
Right-of-use assets - Operating	1,884	12,696
Contract fulfillment costs	3,030	4,501
Other	2,606	2,136
Total deferred tax liabilities	178,959	120,290
Net deferred tax liabilities	$ (12,348)	$ (3,810)