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Distributable Taxable Income - Additional Information (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Mar. 31, 2023
Jun. 30, 2022
Mar. 31, 2022
Jun. 30, 2023
Jun. 30, 2022
 [1]
Income Tax Examination [Line Items]            
Excise tax percentage         4.00%  
Net capital loss carryforward $ 429,100,000       $ 429,100,000  
Provision for income taxes 164,000 $ (571,000) $ 77,000 $ 440,000 (407,000) [1] $ 517,000
Deferred tax assets 0       0  
Deferred tax liabilities $ 1,500,000       $ 1,500,000  
Maximum            
Income Tax Examination [Line Items]            
Percentage of cash dividend on total distribution         20.00%  
[1] Refer to Note 9 "Stockholders' Equity" for additional information on changes in components of Stockholders' Equity