Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018		Dec. 31, 2017
Goodwill [Roll Forward]
Balance	$ 62,030	[1]	$ 61,888
Currency exchange rate adjustment	(180)		142
Balance	63,452		62,030	[1]
Direct
Goodwill [Roll Forward]
Balance	2,335		2,180
Currency exchange rate adjustment	(185)		155
Balance	3,752		2,335
Retail
Goodwill [Roll Forward]
Balance	59,695		59,708
Currency exchange rate adjustment	5		(13)
Balance	59,700		$ 59,695
Paofit
Goodwill [Roll Forward]
Business acquisition	1,602
Paofit | Direct
Goodwill [Roll Forward]
Business acquisition	1,602
Paofit | Retail
Goodwill [Roll Forward]
Business acquisition	$ 0

[1] See Note 4.