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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares
Mar. 31, 2020
Dec. 31, 2019
Mar. 31, 2019
Statement Of Financial Position [Abstract]      
Preferred stock, par value $ 0.01 $ 0.01 $ 0.01
Preferred stock, shares authorized 5,000,000 5,000,000 5,000,000
Common stock, par value $ 0.01 $ 0.01 $ 0.01
Common stock, shares authorized 75,000,000 75,000,000 75,000,000
Common stock, shares issued 26,894,681 26,441,926 26,070,616