Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2022

Accounting Policies [Abstract]

Summary of Concentration of Credit Risk

Revenue from the single Government Solutions customer exceeding 10% of total revenue is presented below:

	Three Months Ended June 30,						Six Months Ended June 30,
	2022			2021			2022			2021
City of New York Department of Transportation		18.6	%		26.7	%		18.9	%		25.7	%

Significant customer revenue concentrations generated through the Company’s Commercial Services partners as a percent of total revenue are presented below:

	Three Months Ended June 30,						Six Months Ended June 30,
	2022			2021			2022			2021
Hertz Corporation		11.7	%		13.3	%		11.4	%		13.5	%
Avis Budget Group, Inc.		13.2	%		13.0	%		12.4	%		12.2	%
Enterprise Holdings, Inc.		9.7	%		12.8	%		9.3	%		13.5	%

Summary of Activity in Allowance for Credit Loss

The following presents the activity in the allowance for credit losses for the six months ended June 30, 2022 and 2021, respectively:

($ in thousands)	Commercial Services (Driver-billed) (1)			Commercial Services (All other)			Government Solutions			Parking Solutions			Total
Balance at January 1, 2022	$	5,397		$	3,092		$	3,649		$	—		$	12,138
Credit loss expense		5,879			428			397			332			7,036
Write-offs, net of recoveries		(1,902	)		(100	)		(12	)		(68	)		(2,082	)
Balance at June 30, 2022	$	9,374		$	3,420		$	4,034		$	264		$	17,092

($ in thousands)	Commercial Services (Driver-billed) (1)			Commercial Services (All other)			Government Solutions			Total
Balance at January 1, 2021	$	3,210		$	4,277		$	3,984		$	11,471
Credit loss expense		4,877			(989	)		(25	)		3,863
Write-offs, net of recoveries		(2,613	)		(24	)		(21	)		(2,658	)
Balance at June 30, 2021	$	5,474		$	3,264		$	3,938		$	12,676