Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for stock awards granted to nonemployee directors that were outstanding at the beginning and end of the year, and the number of awards that were granted, exercised or converted, forfeited, and expired during the year.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

Name:	us-gaap_ScheduleOfShareBasedCompensationNonemployeeDirectorStockAwardPlanActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration