Significant Accounting Policies (Details) - ASU 2016-02 - Profroma adjustment $ in Millions	Sep. 30, 2018 USD ($)
Minimum
Operating Lease, Liability	$ 9.5
Operating Lease, Right-of-Use Asset	9.5
Maximum
Operating Lease, Liability	11.5
Operating Lease, Right-of-Use Asset	$ 11.5

Present value of lessee's discounted obligation for lease payments from operating lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

Name:	us-gaap_OperatingLeaseLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant