Annual report pursuant to Section 13 and 15(d)

Recent Transactions - Debt Transactions - Additional Information (Detail)

v3.20.4
Recent Transactions - Debt Transactions - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Apr. 07, 2020
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]    
Principal repurchased $ 3,500  
Cash paid 3,400  
Net gain $ 49,000  
Debt instrument, interest rate 6.75%  
Asset Based Loan [Member] | Maximum [Member]    
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]    
Debt instrument, basis spread on variable rate   90.00%
Asset Based Loan [Member] | Minimum [Member]    
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]    
Debt instrument, basis spread on variable rate   85.00%