Goodwill and Other Intangible Assets - Goodwill Activity (Details) - USD ($)		12 Months Ended
	Oct. 01, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Goodwill Activity
Beginning balance		$ 71,996,000	$ 73,123,000
Currency translation		689,000	(1,127,000)
Impairments	$ (19,074,000)	(19,074,000)	0	$ 0
Ending balance		53,611,000	$ 71,996,000	$ 73,123,000
Other (operation in Ontario, Canada)
Goodwill Activity
Impairments	(1,893,000)	(1,893,000)
U.S. Debit and Credit
Goodwill Activity
Impairments	$ (17,181,000)	$ (17,181,000)