Route and Customer Acquisition Costs - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Sep. 30, 2021
Change in Accounting Estimate [Line Items]
Gross payments due	$ 6,700		$ 6,800
Net present value of payments due	5,900		6,000
Current portion of payments due	2,043		2,079
Customer acquisition cost asset	18,200		$ 18,000
Capitalized contract cost, subject to claw back	1,500
Amortization expense (decrease in expense) on route and customer acquisition costs	$ 300	$ 500
Customer Acquisition Costs
Change in Accounting Estimate [Line Items]
Amortization period of capitalized contract costs			18 years	12 years 4 months 24 days