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BORROWINGS - Schedule of Borrowings Outstanding (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022	Nov. 23, 2021	Feb. 25, 2021	Nov. 04, 2020	Aug. 03, 2020
Debt Instrument [Line Items]
(Less: Deferred financing fees)	$ (4,813)	$ (6,022)
Total Notes	720,187	718,978
Line of Credit
Debt Instrument [Line Items]
Long-term debt, gross	$ 796,126	729,144
February 21, 2019 \| Line of Credit
Debt Instrument [Line Items]
Effective interest rate	7.094%
Long-term debt, gross	$ 796,126	729,144
September 24, 2020 - August 2025 Notes \| Notes
Debt Instrument [Line Items]
Fixed interest rate	4.66%					4.66%
Long-term debt, gross	$ 25,000	25,000
September 29, 2020 - August 2025 Notes \| Notes
Debt Instrument [Line Items]
Fixed interest rate	4.66%
Long-term debt, gross	$ 25,000	25,000
November 5, 2020 - Series B Notes \| Notes
Debt Instrument [Line Items]
Fixed interest rate	4.25%				4.25%
Long-term debt, gross	$ 62,500	62,500
November 5, 2020 - Series C Notes \| Notes
Debt Instrument [Line Items]
Fixed interest rate	4.75%				4.75%
Long-term debt, gross	$ 112,500	112,500
February 25, 2021 Series D Notes \| Notes
Debt Instrument [Line Items]
Fixed interest rate	3.41%			3.41%
Long-term debt, gross	$ 80,000	80,000
February 25, 2021 Series E Notes \| Notes
Debt Instrument [Line Items]
Fixed interest rate	4.06%			4.06%
Long-term debt, gross	$ 70,000	70,000
November 23, 2021 - November 2026 Notes \| Notes
Debt Instrument [Line Items]
Fixed interest rate	3.30%		3.30%
Long-term debt, gross	$ 350,000	$ 350,000