XML 61 R45.htm IDEA: XBRL DOCUMENT
v3.22.1

Significant Accounting Policies - Additional Information (Details) |  | 12 Months Ended
--- | --- | ---
Jun. 17, 2021 Unit | Dec. 31, 2021 USD ($) yr TradingDay Unit Customer $ / shares shares | Dec. 31, 2020 USD ($) Customer shares | Dec. 31, 2019 USD ($) Customer shares
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Revenue |  | $ 550,590,000 | $ 393,593,000 | $ 448,737,000
Interest or late fees charged on delinquent accounts |  | 0 |  |
Capitalization of internally developed software costs |  | $ 3,000,000.0 | 5,100,000 | 2,100,000
Number of reporting units | Unit |  | 4 |  |
Impairment of property and equipment |  | $ 0 | 0 | 5,898,000
Investment costs |  | 3,700,000 |  |
Amortization of deferred financing costs |  | 5,200,000 | 5,400,000 | 6,600,000
Deferred revenue |  | 27,141,000 |  |
Redflex Holdings Limited |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Number of reporting units | Unit | 2 |  |  |
Other Income |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Benefit on credit card rebates |  | 11,300,000 | 8,500,000 | 11,800,000
Foreign currency effect of re-measurement of assets and liabilities gains (losses) |  | (200,000) | 400,000 | (600,000)
Selling, General and Administrative Expenses |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Advertising costs |  | $ 700,000 | $ 800,000 | $ 2,300,000
PSU |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Share-based payment award, fair value assumptions, method used |  | Monte Carlo simulation model |  |
Alternative investment, measurement input |  |  | 0.340 |
PSUs granted | shares |  |  |  | 0
Risk free rate |  | 0.33% | 0.61% |
Stock Options |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Share-based payment award, fair value assumptions, method used |  | Black-Scholes option pricing model |  |
Stock options, granted | shares |  |  |  | 0
PSUs granted | shares |  | 731,000 | 720,000 |
Risk free rate |  | 0.94% | 0.73% |
Expected Term | Stock Options |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Alternative investment, measurement input | yr |  | 6.25 |  |
Expected Volatility | PSU |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Alternative investment, measurement input |  | 0.504 |  |
Expected Volatility | Stock Options |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Alternative investment, measurement input |  | 0.477 | 0.345 |
Private Placement Warrant Liabilities | 5% Increase in Measurement Input Price Volatility | Level 3 |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Per unit increase in estimated fair value measurement due to changes in volatility rate |  | 0.30 |  |
Private Placement Warrant Liabilities | 5% Decrease in Measurement Input Price Volatility | Level 3 |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Per unit decrease in estimated fair value measurement due to changes in volatility rate |  | 0.30 |  |
Warrants |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Warrants exercisable date |  | Nov. 16, 2018 |  |
Warrant exercisable term if business combination Is completed |  | 30 days |  |
Warrant expiration term |  | 5 years |  |
Outstanding warrants to be redeemed | $ / shares |  | $ 0.01 |  |
Class A |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Warrants outstanding to acquire shares | shares |  | 19,999,967 |  |
Class A | Private Placement |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Warrants outstanding to acquire shares | shares |  | 6,666,666 |  |
Class A | Warrants |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Warrants outstanding to acquire shares | shares |  | 13,333,301 |  |
Last sale price of common stock equals or exceeds per share | $ / shares |  | $ 18.00 |  |
Number of trading days | TradingDay |  | 20 |  |
Maximum trading days for sending notice of redemption to warrant holders | TradingDay |  | 30 |  |
Product Sales |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Revenue |  | $ 57,744,000 | $ 57,319,000 | $ 32,014,000
Service Revenue |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Revenue |  | $ 492,846,000 | 336,274,000 | 416,723,000
Accounting Standards Update 2014-09 | Minimum |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Average initial term of a contract |  | 3 years |  |
Accounting Standards Update 2014-09 | Maximum |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Average initial term of a contract |  | 5 years |  |
City Of New York Department Of Transportation |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Decrease in receivables outstanding |  | $ 35,700,000 |  |
Revenue |  | 182,000,000 |  |
Government Solutions |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Impairment of property and equipment |  |  |  | $ 5,900,000
Deferred revenue |  |  | $ 300,000 |
Parking Solutions |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Deferred revenue |  | $ 20,900 |  |
Customer Concentration Risk | Sales Revenue | Minimum |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Concentration risk percentage |  | 10.00% |  |
Customer Concentration Risk | Sales Revenue | Commercial Services | Hertz Corporation |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Concentration risk percentage |  | 12.60% | 12.00% | 18.70%
Customer Concentration Risk | Sales Revenue | Commercial Services | Avis Budget Group, Inc. |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Concentration risk percentage |  | 12.30% | 9.50% | 14.50%
Customer Concentration Risk | Sales Revenue | Commercial Services | Enterprise Holdings, Inc. |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Concentration risk percentage |  | 11.40% | 11.30% | 13.50%
Customer Concentration Risk | Sales Revenue | Government Solutions | City Of New York Department Of Transportation |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Concentration risk percentage |  | 26.60% | 31.30% | 14.60%
Customer Concentration Risk | Sales Revenue | Parking Solutions |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Number of customers exceeds 10% | Customer |  | 0 |  |
Customer Concentration Risk | Accounts Receivable | Minimum |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Concentration risk percentage |  | 10.00% |  |
Customer Concentration Risk | Accounts Receivable | City Of New York Department Of Transportation |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Concentration risk percentage |  | 39.00% | 59.00% |
Customer Concentration Risk | Accounts Receivable | Commercial Services |  |  |  |
Summary Of Significant Accounting Principles And Policies [Line Items] |  |  |  |
Number of customers exceeds 10% | Customer |  | 0 | 0 | 0

X
- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
Name: | us-gaap_AdvertisingExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Value of input used to measure alternative investment. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_AlternativeInvestmentMeasurementInput
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of amortization expense attributable to debt issuance costs. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(8)) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1F -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399 + Details
Name: | us-gaap_AmortizationOfFinancingCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Date the warrants or rights are exercisable, in YYYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644 + Details
Name: | us-gaap_ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644 + Details
Name: | us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13531-108611 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13537-108611 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130532-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045 + Details
Name: | us-gaap_ContractWithCustomerLiabilityCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045 + Details
Name: | us-gaap_ContractWithCustomerLiabilityRevenueRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of difference between the reported amount and the reporting currency-denominated amount. The default debit balance is based on the reported amount that is greater that the reporting currency-denominated amount. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521 + Details
Name: | us-gaap_DifferenceBetweenReportedAmountAndReportingCurrencyDenominatedAmountValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=123351718&loc=d3e2611-110228 + Details
Name: | us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The increase (decrease) during the reporting period in the total amount due within one year (or one operating cycle) from all parties, associated with underlying transactions that are classified as operating activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
Name: | us-gaap_IncreaseDecreaseInReceivables
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Cost of the investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section 50 -Paragraph 6 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=99383244&loc=d3e12121-115841 + Details
Name: | us-gaap_InvestmentOwnedAtCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment. + References No definition available. + Details
Name: | us-gaap_NumberOfReportingUnits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9031-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130543-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
Name: | us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of method used to estimate fair value of award under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iv) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Benefit on credit card rebates. + References No definition available. + Details
Name: | vrrm_BenefitOnCreditCardRebates
Namespace Prefix: | vrrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Capitalization of internal software development costs. + References No definition available. + Details
Name: | vrrm_CapitalizationOfInternalSoftwareDevelopmentCosts
Namespace Prefix: | vrrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Decrease in estimated fair value per unit measurement with unobservable inputs. + References No definition available. + Details
Name: | vrrm_DecreaseInEstimatedFairValuePerUnitMeasurementWithUnobservableInputs
Namespace Prefix: | vrrm_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Increase in estimated fair value per unit measurement with unobservable inputs. + References No definition available. + Details
Name: | vrrm_IncreaseInEstimatedFairValuePerUnitMeasurementWithUnobservableInputs
Namespace Prefix: | vrrm_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Interest or late fees charged on delinquent accounts. + References No definition available. + Details
Name: | vrrm_InterestOrLateFeesChargedOnDelinquentAccounts
Namespace Prefix: | vrrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Last sale price of common stock equals or exceeds per share. + References No definition available. + Details
Name: | vrrm_LastSalePriceOfCommonStockEqualsOrExceedsPerShare
Namespace Prefix: | vrrm_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum trading days ending on third business day before sending notice of redemption to warrant holders. + References No definition available. + Details
Name: | vrrm_MaximumTradingDaysForSendingNoticeOfRedemptionToWarrantHolders
Namespace Prefix: | vrrm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of customers. + References No definition available. + Details
Name: | vrrm_NumberOfCustomers
Namespace Prefix: | vrrm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of trading days. + References No definition available. + Details
Name: | vrrm_NumberOfTradingDays
Namespace Prefix: | vrrm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Outstanding warrants to be redeemed. + References No definition available. + Details
Name: | vrrm_OutstandingWarrantsToBeRedeemed
Namespace Prefix: | vrrm_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Revenue remaining performance obligation contract period. + References No definition available. + Details
Name: | vrrm_RevenueRemainingPerformanceObligationContractPeriod
Namespace Prefix: | vrrm_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Summary of significant accounting principles and policies. + References No definition available. + Details
Name: | vrrm_SummaryOfSignificantAccountingPrinciplesAndPoliciesLineItems
Namespace Prefix: | vrrm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The warrant exercisable term if business combination is completed. + References No definition available. + Details
Name: | vrrm_WarrantExercisableTermIfBusinessCombinationIsCompleted
Namespace Prefix: | vrrm_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Expiration term of warrants after the completion of business combination or earlier upon redemption or liquidation. + References No definition available. + Details
Name: | vrrm_WarrantExpirationTerm
Namespace Prefix: | vrrm_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=vrrm_RedflexHoldingsLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_OtherNonoperatingIncomeExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_SellingGeneralAndAdministrativeExpensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputExpectedTermMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputPriceVolatilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=vrrm_PrivatePlacementWarrantLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=vrrm_FivePercentageIncreaseInMeasurementInputPriceVolatilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=vrrm_FivePercentageDecreaseInMeasurementInputPriceVolatilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_WarrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=us-gaap_PrivatePlacementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_ProductMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_ServiceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201409Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=vrrm_CityOfNewYorkDepartmentOfTransportationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=vrrm_GovernmentSolutionsSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=vrrm_ParkingSolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=vrrm_CommercialServicesSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=vrrm_HertzCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=vrrm_AvisBudgetGroupIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=vrrm_EnterpriseHoldingsIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_AccountsReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |