Organization, Business and Summary of Significant Accounting Policies - Summary of Revenue from Contracts with Customers (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disaggregation Of Revenue [Line Items]
Revenues	$ 90,007	$ 75,191	$ 180,666	$ 157,089
Technology Solutions
Disaggregation Of Revenue [Line Items]
Revenues	79,149	67,441	161,635	143,221
Nebula
Disaggregation Of Revenue [Line Items]
Revenues	10,858	7,750	19,030	13,868
Legal Technology
Disaggregation Of Revenue [Line Items]
Revenues	81,565	66,650	163,571	139,007
Legal Technology | Technology Solutions
Disaggregation Of Revenue [Line Items]
Revenues	70,707	58,900	144,540	125,139
Legal Technology | Nebula
Disaggregation Of Revenue [Line Items]
Revenues	10,858	7,750	19,030	13,868
Data Recovery
Disaggregation Of Revenue [Line Items]
Revenues	8,442	8,541	17,095	18,082
Data Recovery | Technology Solutions
Disaggregation Of Revenue [Line Items]
Revenues	$ 8,442	$ 8,541	17,095	18,082
Data Recovery | Nebula
Disaggregation Of Revenue [Line Items]
Revenues