Other Significant Transactions - Additional Information (Details) $ in Thousands				1 Months Ended	3 Months Ended		9 Months Ended
	Jun. 14, 2023 USD ($) shares	Jan. 27, 2020	Apr. 26, 2019	Jul. 26, 2023 USD ($) shares	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($) shares	Jun. 30, 2021 yr
Related Party Transaction [Line Items]
Total revenue					$ 225,551	$ 209,933	$ 657,707	$ 606,297
Term of volatility and risk free rates utilizing a peer group | yr									5
Minimum | Earn out
Related Party Transaction [Line Items]
Common stock price threshold trading days			10 days
Minimum | Common Stock Price Greater than $15.50
Related Party Transaction [Line Items]
Common stock price threshold trading days		10 days
Maximum | Earn out
Related Party Transaction [Line Items]
Common stock price threshold trading days			20 days
Maximum | Common Stock Price Greater than $15.50
Related Party Transaction [Line Items]
Common stock price threshold trading days		20 days
Verra Mobility Business Combination
Related Party Transaction [Line Items]
Tax receivable agreement, portion of net cash savings paid out							50.00%
Tax receivable agreement, portion of net cash savings retained							50.00%
Estimated maximum benefit to be paid to tax receivable agreement					70,000		$ 70,000
Payable to related party pursuant to tax receivable agreement, current portion					5,100		5,100
Tax receivable agreement, amount payable					53,500		53,500
Tax receivable agreement, amount payable, non-current					$ 48,400		$ 48,400
Contingency period								5 years
Verra Mobility Business Combination | Earn out
Related Party Transaction [Line Items]
Earn-out shares issuable if condition met | shares	5,000,000			5,000,000				2,500,000
Earn-out shares issued value	$ 36,600			$ 36,600
Verra Mobility Business Combination | Minimum
Related Party Transaction [Line Items]
Common stock price threshold trading days								10 days
Verra Mobility Business Combination | Maximum
Related Party Transaction [Line Items]
Common stock price threshold trading days								20 days
Verra Mobility Business Combination | Maximum | Earn out
Related Party Transaction [Line Items]
Earn-out shares issuable if condition met | shares								10,000,000