Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Accounts receivable allowance	$ 18,800	$ 17,100
Deferred revenue	6,400	4,200
Revenue recognized	1,000
Customer cash held in company bank accounts	$ 18,000	$ 21,900
Minimum
Disaggregation of Revenue [Line Items]
Term, contracts with customers	1 year
Amortization period	1 year
Maximum
Disaggregation of Revenue [Line Items]
Term, contracts with customers	3 years