Capitalization - Stock Split (Details)	Feb. 01, 2016
Common Stock
Capitalization
Stock split ratio	1.38
Class B-1 Preferred Stock
Capitalization
Stock split ratio	1.38
Class B-1 Preferred Stock \| Preferred Stock
Capitalization
Stock split ratio	1.38
Class B-2 Preferred Stock
Capitalization
Stock split ratio	1.38
Class B-2 Preferred Stock \| Preferred Stock
Capitalization
Stock split ratio	1.38
Class C Preferred Stock
Capitalization
Stock split ratio	1.38
Class C Preferred Stock \| Preferred Stock
Capitalization
Stock split ratio	1.38
Class D Preferred Stock
Capitalization
Stock split ratio	1.38
Class D Preferred Stock \| Preferred Stock
Capitalization
Stock split ratio	1.38

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB TOPIC 4.C)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Stock Split
-URI http://asc.fasb.org/extlink&oid=6525746

Name:	us-gaap_StockholdersEquityNoteStockSplitConversionRatio1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration