DEBT - Borrowings (Details) - USD ($) $ in Thousands			1 Months Ended
	Apr. 04, 2024	Apr. 02, 2024	Apr. 23, 2024	Mar. 31, 2024	Dec. 31, 2023
Line of Credit Facility [Line Items]
Line of credit facility				$ 260,000	$ 500,000
Borrowings under San Mateo Credit Facility				526,000	$ 522,000
Credit Agreement
Line of Credit Facility [Line Items]
Line of credit facility				260,000
Credit Agreement | Subsequent Event
Line of Credit Facility [Line Items]
Long-term debt outstanding			$ 25,000
Repayments of borrowings			235,000
Unsecured Debt | Senior Notes Due 2026
Line of Credit Facility [Line Items]
Long-term debt outstanding				699,200
Unsecured Debt | 2026 Notes Tender Offer | Subsequent Event
Line of Credit Facility [Line Items]
Repayments of borrowings	$ 556,300		556,300
Unsecured Debt | 2026 Notes Redemption | Subsequent Event
Line of Credit Facility [Line Items]
Repayments of borrowings		$ 142,900	142,900
Unsecured Debt | Senior Notes Due 2028
Line of Credit Facility [Line Items]
Long-term debt outstanding				500,000
Unsecured Debt | Senior Notes Due 2028 | Subsequent Event
Line of Credit Facility [Line Items]
Long-term debt outstanding			500,000
Letter of Credit | Credit Agreement
Line of Credit Facility [Line Items]
Outstanding letters of credit				41,700
Line of Credit | San Mateo Credit Facility
Line of Credit Facility [Line Items]
Outstanding letters of credit				9,000
Borrowings under San Mateo Credit Facility				$ 526,000
Line of Credit | San Mateo Credit Facility | Subsequent Event
Line of Credit Facility [Line Items]
Repayments of debt			$ 31,000