Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Significant Accounting Policies [Line Items]
Reverse stock split effective date	Feb. 28, 2022
Percentage of investment company taxable income distribute to stockholders	90.00%
Percentage of net ordinary income	98.00%
Percentage of capital gain net income	98.20%
Percentage of excise tax on minimum distribution amount	4.00%
Contributions to investments paid in advance of trade date	$ 3,000
Accrued excise tax expense	252	$ 48	$ 17
Capital loss carryforward	41,899
Federal
Significant Accounting Policies [Line Items]
Deferred tax assets, capital loss carryforwards	185,737
Capital loss carryforward	41,899
Capital loss carryforward, short-term	16,815
Capital loss carryforward, long-term	$ 168,922
Maximum
Significant Accounting Policies [Line Items]
Percentage of aggregate investment fair value on total capitalization	5.00%
Percentage of individual investment fair value on total capitalization	1.00%