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Stockholders' Equity (Details)
Mar. 13, 2020
Mar. 15, 2019
purchase_right
$ / shares
shares
Jun. 30, 2020
$ / shares
shares
Dec. 31, 2019
$ / shares
shares
Equity [Abstract]        
Common stock dividend, number of preferred share purchase rights for each share of common stock | purchase_right   1    
Common stock, par value (in usd per share) | $ / shares   $ 0.01 $ 0.01 $ 0.01
Preferred share purchase right, period after acquisition announcement after which rights become exercisable   10 days    
Preferred share purchase right, minimum beneficial ownership percentage change for rights to become exercisable 20.00% 15.00%    
Preferred share purchase right, minimum beneficial ownership percentage for grandfathered treatment 20.00% 15.00%    
Preferred share purchase right, minimum ownership percentage at which existing rights become exercisable 0.001% 0.001%    
Preferred stock, authorized (in shares)   50,000,000    
Schedule Of Equity [Line Items]        
Preferred stock, authorized (in shares)   50,000,000    
Preferred stock, par value (in usd per share) | $ / shares   $ 0.01    
Series A preferred stock        
Equity [Abstract]        
Preferred stock, authorized (in shares)   10,000,000 10,000,000 10,000,000
Schedule Of Equity [Line Items]        
Preferred stock, authorized (in shares)   10,000,000 10,000,000 10,000,000
Preferred stock, par value (in usd per share) | $ / shares   $ 0.01 $ 0.01 $ 0.01