Common Stock and Stockholders' Equity - Capitalization (Details) - shares	Jun. 30, 2020	Dec. 31, 2019	May 31, 2018	May 30, 2018
Common Stock and Stockholders'Equity
Number of common stock shares authorized	150,000,000	150,000,000	150,000,000	100,000,000

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_CommonStockSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant