Shareholder's Equity and Stock-Based Compensation - Summary of Stock-Based Compensation Expense Recognized in Statements of Operations Related to All Outstanding Stock Based Compensation Awards (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total stock-based compensation expense	$ 5,653	$ 3,570	$ 10,025	$ 6,441
Total Direct Costs
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total stock-based compensation expense	3,125	2,187	5,565	4,234
Selling, General and Administrative
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total stock-based compensation expense	$ 2,528	$ 1,383	$ 4,460	$ 2,207