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

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

Stock Splits (Details)	Jul. 06, 2017	Mar. 31, 2016	Dec. 31, 2017 shares	Jul. 05, 2017 shares	Dec. 31, 2016 shares
Stock Splits
Authorized common shares			50,000,000	50,000,000	50,000,000
Stock split ratio	2.5	2