Organization, Business and Summary of Significant Accounting Policies - Summary of Revenue from Contracts with Customers (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Disaggregation Of Revenue [Line Items]
Revenues	$ 317,432	$ 320,477
Technology Solutions
Disaggregation Of Revenue [Line Items]
Revenues	288,991	294,566
Nebula
Disaggregation Of Revenue [Line Items]
Revenues	28,441	25,911
Legal Technology
Disaggregation Of Revenue [Line Items]
Revenues	282,797	276,333
Legal Technology | Technology Solutions
Disaggregation Of Revenue [Line Items]
Revenues	254,356	250,422
Legal Technology | Nebula
Disaggregation Of Revenue [Line Items]
Revenues	28,441	25,911
Data Recovery
Disaggregation Of Revenue [Line Items]
Revenues	34,635	44,144
Data Recovery | Technology Solutions
Disaggregation Of Revenue [Line Items]
Revenues	$ 34,635	$ 44,144