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Segment Information - Reportable Segment Results (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Segment Reporting Information [Line Items]
Interest Income	$ 3,898	$ 1,839	$ 9,053	$ 5,221
Fleet Solutions Segment
Segment Reporting Information [Line Items]
Interest Income	961	142	2,547	966
Travel and corporate solutions
Segment Reporting Information [Line Items]
Interest Income	143	91	330	245
Health and employee benefit solutions
Segment Reporting Information [Line Items]
Interest Income	$ 2,794	$ 1,606	$ 6,176	$ 4,010

X

- Definition

The net amount of operating interest income (expense).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.10)
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

+ Details

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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X

- Details

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X

- Details

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