Business Overview and Summary of Significant Accounting Policies - Business Overview and Basis of Presentation (Details) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Feb. 28, 2019 item	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($) item	Jun. 30, 2018 USD ($)	Aug. 03, 2018 facility
Business Overview and Summary of Significant Accounting Policies
Minimum number of payment card brands which certify card services | item				1
Proceeds from Divestiture of Interest in Subsidiaries and Affiliates				$ 1,451
Reclassification of cumulative translation adjustment from accumulated other comprehensive income		$ 1,329		$ 1,329
Number of personalization operations consolidated | item	3
Number of facilities personalization operations were consolidated into | item	2
Accelerated depreciation			$ 1,332		$ 2,132
Severance charge			223		$ 552
Termination charge			$ 432
Sold | U.K. Limited
Business Overview and Summary of Significant Accounting Policies
Number of facilities sold | facility						3