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Common Stock - Additional Information (Detail) - $ / shares
12 Months Ended
Dec. 31, 2019
Mar. 31, 2020
Dec. 31, 2018
Stockholders' Equity Note [Abstract]      
Common Stock Shares Authorized 150,000,000 150,000,000 150,000,000
Common Stock Shares Issued 36,444,732 36,445,751 28,055,344
Common Stock Shares Outstanding 36,444,732 36,445,751 28,055,344
Common stock dividends declared $ 0    
Common stock dividends paid $ 0