Reportable Segment Information - Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 226,504	$ 383,322
Cyber and Engineering
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	39,091	74,808
Analytics
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	178,503	154,085
Corporate
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 8,910	$ 154,429