Quarterly report pursuant to Section 13 or 15(d)

Related-Party Transactions - Additional Information (Details)

v3.21.1
Related-Party Transactions - Additional Information (Details)
$ in Thousands
3 Months Ended
Feb. 20, 2020
Jan. 10, 2018
Mar. 31, 2021
USD ($)
officer
Mar. 31, 2020
USD ($)
Related Party Transaction [Line Items]        
Number of executive officers that serve as directors | officer     2  
Pre-Incentive Fee FFO (as percent)     100.00%  
Pre-Incentive Fee, exceeded (as percent)     2.1875%  
Pre-Incentive Fee, exceeded, annual (as percent)     8.75%  
Pre-Incentive Fee (as percent)     20.00%  
Cumulative realized capital gains (as percent)     15.00%  
Notice period for termination of agreement without cause     120 days  
Financing fees     $ 17 $ 0
Selling commissions and dealer-manager fees     $ 1,144 2,484
Prior Advisory Agreement        
Related Party Transaction [Line Items]        
Management fee (as percent)     0.50%  
Base management fee, quarterly (as percent)     0.125%  
Hurdle rate, quarterly (as percent)     1.75%  
Hurdle rate, annual (as percent)     7.00%  
Gladstone Securities        
Related Party Transaction [Line Items]        
Financing fee (as percent)     0.14%  
Financing fees     $ 17 0
Preferred Stock | Series B Preferred Stock        
Related Party Transaction [Line Items]        
Selling commission fee (as percent)   7.00%    
Dealer-manager fee (as percent)   3.00%    
Preferred Stock | Series C Preferred Stock        
Related Party Transaction [Line Items]        
Selling commission fee (as percent) 6.00%      
Dealer-manager fee (as percent) 3.00%      
Selling commissions and dealer-manager fees     $ 1,100 0
Gladstone Securities | Preferred Stock | Series B Preferred Stock        
Related Party Transaction [Line Items]        
Selling commissions and dealer-manager fees       $ 2,500
Gladstone Securities | Minimum | Gladstone Securities        
Related Party Transaction [Line Items]        
Financing fee (as percent)     0.50%  
Gladstone Securities | Maximum | Gladstone Securities        
Related Party Transaction [Line Items]        
Financing fee (as percent)     1.00%