Debt (Details) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)	Mar. 30, 2020
Line of Credit Facility [Line Items]
Deferred costs, current	$ 920	$ 920	$ 575
Unamortized Deferred financing costs, noncurrent	1,293	1,293	1,534
Proceeds from lines of credit	1,400	1,400
Working capital facility	7,546	7,546	28,352
Regions Bank | Secured Syndicated Credit Facility, Ninth Amendment
Line of Credit Facility [Line Items]
Credit card origination costs	5,500	$ 5,500
Financing agreement term		5 years
Regions Bank | Secured Syndicated Credit Facility, Eighth Amendment
Line of Credit Facility [Line Items]
Credit card origination costs			5,200
Secured Term Loan | Regions Bank
Line of Credit Facility [Line Items]
Covenant, net leverage ratio, waiver, maximum				5.0
Covenant, net leverage ratio, waiver				3.50
Secured Term Loan | Regions Bank | Secured Syndicated Credit Facility, Ninth Amendment
Line of Credit Facility [Line Items]
Credit card origination costs	2,200	$ 2,200
Deferred costs, current	920	920
Unamortized Deferred financing costs, noncurrent	$ 1,300	$ 1,300
Line of credit, interest rate percentage	3.50%	3.50%
Outstanding balance	$ 261,100	$ 261,100
Loans payable, current	22,600	$ 22,600
Line of credit facility, due		twelve months
Scheduled amortization payment	5,600	$ 15,100
Short-term debt	22,600	22,600
Long-term debt	238,500	238,500
Secured Term Loan | Regions Bank | Secured Syndicated Credit Facility, Eighth Amendment
Line of Credit Facility [Line Items]
Credit card origination costs			2,100
Deferred costs, current			575
Unamortized Deferred financing costs, noncurrent			$ 1,500
Line of credit, interest rate percentage			4.25%
Outstanding balance			$ 276,200
Loans payable, current			$ 20,700
Line of credit facility, due			twelve months
Revolving Credit Facility | Regions Bank | Secured Syndicated Credit Facility, Ninth Amendment
Line of Credit Facility [Line Items]
Credit card origination costs	$ 3,300	$ 3,300
Line of credit, interest rate percentage	3.50%	3.50%
Credit agreement, average amount outstanding during period	$ 439,400	$ 438,800
Credit agreement, maximum amount outstanding during period	439,400	439,400
Revolving Credit Facility | Regions Bank | Secured Syndicated Credit Facility, Eighth Amendment
Line of Credit Facility [Line Items]
Credit card origination costs			$ 3,100
Line of credit, interest rate percentage			4.25%
Credit agreement, average amount outstanding during period			$ 437,200
Credit agreement, maximum amount outstanding during period			438,000
Revolving Credit Facility | Regions Bank | Secured Syndicated Credit Facility
Line of Credit Facility [Line Items]
Credit agreement, amount outstanding	$ 439,400	$ 439,400	$ 438,000
Bank Overdrafts | India | Minimum
Line of Credit Facility [Line Items]
Interest rate during period		6.75%
Bank Overdrafts | India | Maximum
Line of Credit Facility [Line Items]
Interest rate during period		9.45%