Advances - Schedule of Change in Allowance for Losses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 23,259	$ 16,465	$ 37,952
Provision	3,220	5,732	21,429
Net charge-offs and other	(16,554)	1,062	(42,916)
Ending balance	9,925	$ 23,259	$ 16,465
Sold Advances
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Provision	$ 18,000