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Incentive Plans (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Incentive Award Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Percentage of outstanding stock maximum 5.00%  
Independent Directors Compensation Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Initial grant to independent directors (in shares) 3,000  
Offering amount required for issuance of initial grant $ 1,000,000  
Initial grant upon election to board of directors (in shares) 3,000  
Restricted Stock | Common Stock    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares granted (in shares) 2,500 2,500
Offering price per share (in dollars per share) $ 11.70 $ 10.00