Goodwill and Other Intangible Assets - Goodwill by Reporting Segment (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2019
Goodwill	$ 47,150	$ 47,150
Impairment of goodwill	6,366
Operating Segments \| U.S. Debit and Credit
Goodwill	$ 47,150	$ 47,150

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration