For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Significant Accounting Policies - Additional Information (Details) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2026 USD ($) Customer	Mar. 31, 2025 USD ($)	Dec. 31, 2025 USD ($) Customer
Summary Of Significant Accounting Principles And Policies [Line Items]
Revenue, Remaining Performance Obligation, Amount	$ 194.8
Revenue remaining performance obligation in the next twelve months	76.1
Parking Solutions
Summary Of Significant Accounting Principles And Policies [Line Items]
Deferred Revenue	17.5		$ 20.1
Contract with Customer, Revenue Recognized	9.1	$ 10.0
Government Solutions
Summary Of Significant Accounting Principles And Policies [Line Items]
Deferred Revenue	9.4		$ 8.9
Contract with Customer, Revenue Recognized	3.2	$ 4.3
Customer Concentration Risk \| Sales Revenue Net
Summary Of Significant Accounting Principles And Policies [Line Items]
Unbilled revenue	$ 20.2
Customer Concentration Risk \| Sales Revenue Net \| Government Solutions
Summary Of Significant Accounting Principles And Policies [Line Items]
Concentration risk percentage	10.00%
Customer Concentration Risk \| Sales Revenue Net \| Parking Solutions
Summary Of Significant Accounting Principles And Policies [Line Items]
Number of customers exceeds 10% \| Customer	0		0
Customer Concentration Risk \| Sales Revenue Net \| City of New York Department of Transportation
Summary Of Significant Accounting Principles And Policies [Line Items]
Concentration risk percentage	15.20%	15.40%
Customer Concentration Risk \| Sales Revenue Net \| Commercial Services \| Government Solutions
Summary Of Significant Accounting Principles And Policies [Line Items]
Concentration risk percentage	10.00%
Customer Concentration Risk \| Sales Revenue Net \| Commercial Services Customer A
Summary Of Significant Accounting Principles And Policies [Line Items]
Concentration risk percentage	13.30%	15.70%
Customer Concentration Risk \| Sales Revenue Net \| Commercial Services Customer B
Summary Of Significant Accounting Principles And Policies [Line Items]
Concentration risk percentage	11.90%	11.90%
Customer Concentration Risk \| Sales Revenue Net \| Commercial Services Customer C
Summary Of Significant Accounting Principles And Policies [Line Items]
Concentration risk percentage	10.00%	10.30%
Customer Concentration Risk \| Sales Revenue Net \| Minimum
Summary Of Significant Accounting Principles And Policies [Line Items]
Concentration risk percentage	10.00%
Customer Concentration Risk \| Accounts Receivable \| Parking Solutions
Summary Of Significant Accounting Principles And Policies [Line Items]
Number of customers exceeds 10% \| Customer	0		0
Customer Concentration Risk \| Accounts Receivable \| City of New York Department of Transportation
Summary Of Significant Accounting Principles And Policies [Line Items]
Concentration risk percentage	23.90%		31.10%
Customer Concentration Risk \| Accounts Receivable \| Commercial Services
Summary Of Significant Accounting Principles And Policies [Line Items]
Concentration risk percentage	10.00%		10.00%
Number of customers exceeds 10% \| Customer	0		0