FAIR VALUE MEASUREMENTS - Schedule of Carrying Value and Fair Value of Debt Obligations (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Fair Value, Option, Quantitative Disclosures [Line Items]
Carrying value	$ 1,101,964	$ 951,877
Secured Debt | 2022 Debt
Fair Value, Option, Quantitative Disclosures [Line Items]
Carrying value	342,000	342,000
Secured Debt | 2023 Debt
Fair Value, Option, Quantitative Disclosures [Line Items]
Carrying value	214,714	215,000
Secured Debt | 2024 Debt
Fair Value, Option, Quantitative Disclosures [Line Items]
Carrying value	215,000
Carrying value | Secured Debt
Fair Value, Option, Quantitative Disclosures [Line Items]
Carrying value	1,101,964	951,877
Carrying value | Secured Debt | Wells Fargo Financing Facility
Fair Value, Option, Quantitative Disclosures [Line Items]
Carrying value	95,000	231,000
Carrying value | Secured Debt | SMBC Financing Facility
Fair Value, Option, Quantitative Disclosures [Line Items]
Carrying value	122,500	37,377
Carrying value | Secured Debt | Revolving Credit Facility
Fair Value, Option, Quantitative Disclosures [Line Items]
Carrying value	112,750	126,500
Carrying value | Secured Debt | 2022 Debt
Fair Value, Option, Quantitative Disclosures [Line Items]
Carrying value	342,000	342,000
Carrying value | Secured Debt | 2023 Debt
Fair Value, Option, Quantitative Disclosures [Line Items]
Carrying value	214,714	215,000
Carrying value | Secured Debt | 2024 Debt
Fair Value, Option, Quantitative Disclosures [Line Items]
Carrying value	215,000	0
Fair Value | Secured Debt
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	1,109,061	947,198
Fair Value | Secured Debt | Wells Fargo Financing Facility
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	95,000	231,000
Fair Value | Secured Debt | SMBC Financing Facility
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	122,500	37,377
Fair Value | Secured Debt | Revolving Credit Facility
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	112,750	126,500
Fair Value | Secured Debt | 2022 Debt
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	345,256	338,345
Fair Value | Secured Debt | 2023 Debt
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	217,238	213,976
Fair Value | Secured Debt | 2024 Debt
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	$ 216,317	$ 0