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Goodwill and Other Intangible Assets - Narrative (Details) - USD ($)	1 Months Ended		3 Months Ended	12 Months Ended
	Feb. 28, 2021	Jan. 31, 2020	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Oct. 01, 2021
Finite-Lived Intangible Assets [Line Items]
Goodwill, impaired, accumulated impairment loss			$ 0	$ 0	$ 0
Dealer generated customer accounts and bulk account purchases				$ 675,118,000	380,716,000	$ 669,683,000
Intangible assets, charge backs		$ 39,000,000
Charge-back period			13 months	13 months
Accelerated method, average declining balance rate				250.00%
Indefinite-lived trade names			$ 1,300,000,000	$ 1,300,000,000	1,300,000,000
Reporting unit, percentage of fair value in excess of carrying amount							20.00%
Goodwill, Impairment Loss				$ 0	0	(45,482,000)
Impairment of intangible assets, finite-lived			$ 18,000,000
First Five Years
Finite-Lived Intangible Assets [Line Items]
Accelerated method, average amortization rate				55.00%
Second Five Years
Finite-Lived Intangible Assets [Line Items]
Accelerated method, average amortization rate				25.00%
Final Five Years
Finite-Lived Intangible Assets [Line Items]
Accelerated method, average amortization rate				20.00%
Canada Reporting Unit
Finite-Lived Intangible Assets [Line Items]
Goodwill, Impairment Loss						$ (45,000,000)
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Contracts and related customer relationship useful life (in years)				20 years
Acquisition of customer relationships and contract additions				$ 5,333,000	$ 29,986,000
Contracts and related customer relationships
Finite-Lived Intangible Assets [Line Items]
Contracts and related customer relationship useful life (in years)				14 years	15 years
Indefinite-lived Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Contracts and related customer relationship useful life (in years)				10 years
Dealer relationships
Finite-Lived Intangible Assets [Line Items]
Contracts and related customer relationship useful life (in years)				19 years
Customer Contracts
Finite-Lived Intangible Assets [Line Items]
Contracts and related customer relationship useful life (in years)				15 years
Dealer generated customer accounts and bulk account purchases	$ 132,000,000
Acquisition of customer relationships and contract additions	$ 163,000,000			$ 696,316,000	$ 386,696,000
Accelerated method, average declining balance rate				300.00%
Customer Contracts | First Five Years
Finite-Lived Intangible Assets [Line Items]
Accelerated method, average amortization rate				65.00%
Customer Contracts | Second Five Years
Finite-Lived Intangible Assets [Line Items]
Accelerated method, average amortization rate				25.00%
Customer Contracts | Final Five Years
Finite-Lived Intangible Assets [Line Items]
Accelerated method, average amortization rate				10.00%

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