XML 24 R68.htm IDEA: XBRL DOCUMENT v3.19.3
Related Party Transaction (Details) - USD ($)
9 Months Ended
Aug. 20, 2019
Sep. 30, 2019
Sep. 30, 2018
Aug. 19, 2019
May 31, 2019
Mar. 31, 2018
Related Party Transaction [Line Items]            
Share price (usd per share)       $ 17.99    
Proceeds from issuance of common stock $ 1,000,000.0 $ 1,363,000 $ 447,000      
Director | Note holder            
Related Party Transaction [Line Items]            
Aggregate principal amount   $ 40,000,000.0     $ 10,000,000.0 $ 30,000,000.0
Chief Operating Officer            
Related Party Transaction [Line Items]            
Issuance of common stock (shares) 55,586