Annual report pursuant to Section 13 and 15(d)

Equity - Additional Information (Details)

v3.20.4
Equity - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 13, 2019
Mar. 18, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Aug. 17, 2020
Aug. 31, 2017
Preferred Stock, Shares Authorized     10,000,000 10,000,000      
Preferred Stock, Par or Stated Value Per Share     $ 0.001 $ 0.001      
Preferred Stock, Shares Issued     3,105,000 3,105,000      
Preferred Stock, Shares Outstanding     3,105,000 3,105,000      
Dividend Accrued     $ 970        
Common Stock, Shares Authorized     500,000,000 500,000,000      
Common Stock, Par or Stated Value Per Share     $ 0.001 $ 0.001      
Common Stock, Shares, Outstanding     49,461,000 43,806,000      
Authorized amount under sales agreement             $ 50,000
Gross proceeds     $ 53,088 $ 189,498 $ 37,307    
Shares issued       2,632      
Offering price (Dollars per share)       $ 11.24      
Payments of Dividends, Total     5,822 $ 5,822 5,821    
Payment Of Dividends Common Stock Op And Ltip Units     39,944 29,171 18,964    
Dividends Payable     $ 12,470 $ 11,091      
Partners' Capital Account, Units, Treasury Units Purchased     1,379,000 51,000      
Partners' Capital Account, Treasury Units, Purchased     $ 17,882 $ 519      
Limited Partners' Capital Account, Units Issued       49,000      
Noncontrolling Interest, Increase from Subsidiary Equity Issuance         16,363    
Partners' Capital Account, Units, Sale of Units     1,764,000 3,143,000      
Limited Partners' Capital Account     $ 9,999 $ 27,881      
IPO [Member]              
Noncontrolling Interest, Increase from Subsidiary Equity Issuance       506      
ATM              
Gross proceeds     $ 53,717 29,073      
Shares issued     4,248,000        
Offering price (Dollars per share)     $ 12.84        
ATM | Maximum              
Authorized amount under sales agreement           $ 150,000  
Common Stock [Member]              
Gross proceeds $ 84,702 $ 75,723          
Shares issued 6,900,000 8,233,000          
Offering price (Dollars per share) $ 13.00 $ 9.75          
Payments of Dividends, Total     $ 575 85      
Dividends Payable     $ 922 349      
Noncontrolling Interest, Increase from Subsidiary Equity Issuance       $ 0 $ 0    
Series A Preferred Stock [Member]              
Preferred Stock, Shares Issued     3,105,000 3,105,000      
Preferred Stock, Shares Outstanding     3,105,000 3,105,000      
Preferred Stock, Dividend Rate, Percentage     7.50%        
Preferred Stock, Liquidation Preference Per Share     $ 25        
Dividends Payable, Amount Per Share     1.875        
Series A Cumulative Redeemable Preferred Stock [Member]              
Preferred Stock, Par or Stated Value Per Share     $ 0.001        
Long Term Incentives Plan Units Member              
Dividends Payable     $ 927 $ 580