Goodwill and Intangible Assets - Net intangible assets by segment (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Intangible assets, net
Total intangible assets, net	$ 218,515	$ 257,560
Americas
Intangible assets, net
Total intangible assets, net	149,554	179,243
Americas | Merchant contract portfolios and customer relationships
Intangible assets, net
Total intangible assets, net	60,337	74,791
Americas | Marketing alliance agreements
Intangible assets, net
Total intangible assets, net	61,190	72,272
Americas | Trademarks, definite-lived
Intangible assets, net
Total intangible assets, net	1,799	2,994
Americas | Internally developed and acquired software
Intangible assets, net
Total intangible assets, net	26,038	28,697
Americas | Non-competition agreements
Intangible assets, net
Total intangible assets, net	190	489
Europe
Intangible assets, net
Total intangible assets, net	68,961	78,317
Europe | Merchant contract portfolios and customer relationships
Intangible assets, net
Total intangible assets, net	20,859	24,448
Europe | Marketing alliance agreements
Intangible assets, net
Total intangible assets, net	27,441	30,674
Europe | Trademarks, definite-lived
Intangible assets, net
Total intangible assets, net	5,212	6,139
Europe | Internally developed and acquired software
Intangible assets, net
Total intangible assets, net	15,424	17,021
Europe | Non-competition agreements
Intangible assets, net
Total intangible assets, net	$ 25	$ 35