Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Summary of Concentration of Credit Risk

Revenue from one of the Government Solutions customers as a percent of total revenue is presented below for the years ended December 31, 2020, 2019 and 2018, respectively:

	For the Year Ended December 31,
	2020			2019			2018
City of New York Department of Transportation		31.3	%		14.6	%		9.3	%

Significant customer revenue generated through the Company’s Commercial Services partners as a percent of total revenue is presented below for the years ended December 31, 2020, 2019 and 2018, respectively:

	For the Year Ended December 31,
	2020			2019			2018
Hertz Corporation		12.0	%		18.7	%		19.3	%
Avis Budget Group, Inc.		9.5	%		14.5	%	(a)
Enterprise Holdings, Inc.		11.3	%		13.5	%	(a)

(a) These two customers were part of the Company’s 2018 acquisition of Highway Toll Administration, LLC and Canada Highway Toll Administration.

Summary of Accounts Receivable, Net and Activity in Allowance for Credit Loss by Portfolio Segment

The Company identified portfolio segments based on the type of business, industry in which the customer operates and historical credit loss patterns. The following presents by portfolio segment accounts receivable, net and the activity in the allowance for credit loss for the year ended December 31, 2020:

($ in thousands)	Commercial Services (Driver-billed) (1)			Commercial Services (All other)			Government Solutions			Total
Accounts receivable, net at January 1, 2020 (2)	$	9,793		$	51,158		$	31,744		$	92,695
Allowance for credit loss at January 1, 2020 (2)	$	5,272		$	1,406		$	1,778		$	8,456
Credit loss expense		6,554			4,941			2,892			14,387
Write-offs, net of recoveries		(8,616	)		(2,074	)		(686	)		(11,376	)
Allowance for credit loss at December 31, 2020	$	3,210		$	4,273		$	3,984		$	11,467
Accounts receivable, net at December 31, 2020	$	11,060		$	48,169		$	109,554		$	168,783

(1) Driver-billed consists of receivables from drivers of rental cars and fleet management companies for which the Company bills on behalf of its customers. Receivables not collected from drivers within a defined number of days are transferred to customers subject to applicable bad debt sharing agreements.

(2) This includes a $0.8 million increase to allowance for credit loss as a result of adopting the credit loss standard.

Carrying Value and Fair Value of Long-term Debt

The carrying value and fair value of long-term debt is as follows:

	Level in	December 31, 2020				December 31, 2019
	Fair Value	Carrying		Estimated		Carrying		Estimated
($ in thousands)	Hierarchy	Amount		Fair Value		Amount		Fair Value
Total long-term debt	2	$	842,045	$	861,314	$	866,465	$	905,601

Estimated Useful Lives of Property and Equipment

Property and equipment are stated at cost less accumulated depreciation. All repairs and maintenance costs are expensed as incurred. Depreciation is recorded on a straight-line basis over the estimated useful lives of the related assets as follows:

Building	39 years
Equipment installed at customer sites	3-7 years
Computer equipment	3-5 years
Furniture	5-10 years
Automobiles	5-6 years
Software	3-5 years
Leasehold improvements	Shorter of lease term or estimated useful life