NET ASSETS - Summary of Dividends Declared (Details) - $ / shares	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Dividends Payable [Line Items]
Dividend declared (in dollars per share)	$ 1.96	$ 2.02	$ 2.04	$ 2.11	$ 1.93	$ 1.94	$ 1.98	$ 1.53	$ 0
O 2023 M3 Dividends
Dividends Payable [Line Items]
Dividend declared (in dollars per share)			0.51
O 2023 M6 Dividends
Dividends Payable [Line Items]
Dividend declared (in dollars per share)			0.51
O 2023 M9 Dividends
Dividends Payable [Line Items]
Dividend declared (in dollars per share)			0.51
O 2023 M12 Dividends
Dividends Payable [Line Items]
Dividend declared (in dollars per share)			$ 0.51
O 2024 M3 Dividends
Dividends Payable [Line Items]
Dividend declared (in dollars per share)		0.51
O 2024 M6 Dividends
Dividends Payable [Line Items]
Dividend declared (in dollars per share)		0.51
O 2024 M8 Dividends
Dividends Payable [Line Items]
Dividend declared (in dollars per share)		0.21
O 2024 M9 Dividends
Dividends Payable [Line Items]
Dividend declared (in dollars per share)		0.30
O 2024 M11 Dividends
Dividends Payable [Line Items]
Dividend declared (in dollars per share)		0.32
O 2024 M12 Dividends
Dividends Payable [Line Items]
Dividend declared (in dollars per share)		$ 0.17
O 2025 M1 Dividends
Dividends Payable [Line Items]
Dividend declared (in dollars per share)	0.16
O 2025 M2 Dividends
Dividends Payable [Line Items]
Dividend declared (in dollars per share)	0.16
O 2025 M3 Dividends
Dividends Payable [Line Items]
Dividend declared (in dollars per share)	0.17
O 2025 M4 Dividends
Dividends Payable [Line Items]
Dividend declared (in dollars per share)	0.16
O 2025 M5 Dividends
Dividends Payable [Line Items]
Dividend declared (in dollars per share)	0.16
O 2025 M6 Dividends
Dividends Payable [Line Items]
Dividend declared (in dollars per share)	0.17
O 2025 M7 Dividends
Dividends Payable [Line Items]
Dividend declared (in dollars per share)	0.16
O 2025 M8 Dividends
Dividends Payable [Line Items]
Dividend declared (in dollars per share)	0.16
O 2025 M9 Dividends
Dividends Payable [Line Items]
Dividend declared (in dollars per share)	0.17
O 2025 M10 Dividends
Dividends Payable [Line Items]
Dividend declared (in dollars per share)	0.16
O 2025 M11 Dividends
Dividends Payable [Line Items]
Dividend declared (in dollars per share)	0.16
O 2025 M12 Dividends
Dividends Payable [Line Items]
Dividend declared (in dollars per share)	$ 0.17