Segment Disclosure (Details Textual) $ in Millions	12 Months Ended
Dec. 31, 2017 USD ($) geographic_area	Dec. 31, 2016 USD ($)
Segment Reporting [Abstract]
Number of geographic areas \| geographic_area	3
Long-lived assets US \| $	$ 2.1	$ 2.2

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599

Name:	us-gaap_NoncurrentAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant