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Common Stock (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 9 Months Ended
Jun. 07, 2019
Sep. 30, 2019
Class of Stock [Line Items]    
Shares Issued, Price Per Share $ 67.00  
Stock Issued During Period, Value, New Issues   $ 93.0
Base shares offered [Member]    
Class of Stock [Line Items]    
Stock Issued During Period, Shares, New Issues   1,250,000
Over-Allotment Option [Member]    
Class of Stock [Line Items]    
Stock Issued During Period, Shares, New Issues   187,500
Sale of stock, offering period 30 days  
Total shares issued [Member]    
Class of Stock [Line Items]    
Stock Issued During Period, Shares, New Issues   1,437,500
Maximum [Member]    
Class of Stock [Line Items]    
Payments of Stock Issuance Costs   $ 0.2