Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Principles (Details)

v3.19.3
Summary of Significant Accounting Principles (Details) - shares
Sep. 30, 2019
May 03, 2019
Dec. 31, 2018
Class of Stock [Line Items]      
Common stock, shares authorized (in shares) 250,000,000   250,000,000
Minimum      
Class of Stock [Line Items]      
Common stock, shares authorized (in shares)   100,000,000  
Maximum      
Class of Stock [Line Items]      
Common stock, shares authorized (in shares)   250,000,000