Summary of Significant Accounting Policies - Fair Value Disclosures (Details) - Recurring - Term Notes Payable $ in Thousands	Sep. 30, 2016 USD ($)
Fair value valuation assumptions
Liabilities, fair value	$ 15,000
Level 3
Fair value valuation assumptions
Liabilities, fair value	$ 15,000

Fair value of financial and nonfinancial obligations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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