Quarterly report pursuant to Section 13 or 15(d)

Related-Party Transactions - Details of Amounts Due to Related Parties on Our Accompanying Condensed Consolidated Balance Sheets (Detail)

v3.23.2
Related-Party Transactions - Details of Amounts Due to Related Parties on Our Accompanying Condensed Consolidated Balance Sheets (Detail) - Related Party - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Related Party Transaction [Line Items]    
Total due to related parties $ 3,095 $ 4,370
Adviser    
Related Party Transaction [Line Items]    
Total due to related parties 2,211 3,810
Administrator    
Related Party Transaction [Line Items]    
Total due to related parties 880 536
Gladstone Securities    
Related Party Transaction [Line Items]    
Total due to related parties 4 24
Base management fee | Adviser    
Related Party Transaction [Line Items]    
Total due to related parties 2,148 2,141
Incentive fee | Adviser    
Related Party Transaction [Line Items]    
Total due to related parties 0 1,589
Other, net | Adviser    
Related Party Transaction [Line Items]    
Total due to related parties 63 80
Administration Fee | Administrator    
Related Party Transaction [Line Items]    
Total due to related parties 514 536
Cumulative Accrued But Unpaid Portion of Prior Administrative Fees | Administrator    
Related Party Transaction [Line Items]    
Total due to related parties $ 366 $ 0