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DEBT - Borrowings (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Mar. 31, 2026	Mar. 05, 2026	Dec. 31, 2025
Line of Credit Facility [Line Items]
Issuance costs and discounts, net	$ (33,590)			$ (28,898)
Total senior unsecured notes payable	2,366,410			2,121,102
Long-term debt outstanding	4,216,410			3,402,102
Senior Notes Due 2028 \| Unsecured Debt
Line of Credit Facility [Line Items]
Long-term debt, gross	$ 0			500,000
Long-term debt outstanding		$ 80,200
Interest rate	6.875%
Senior Notes Due 2032 \| Unsecured Debt
Line of Credit Facility [Line Items]
Long-term debt, gross	$ 900,000			900,000
Interest rate	6.50%
Senior Notes Due 2033 \| Unsecured Debt
Line of Credit Facility [Line Items]
Long-term debt, gross	$ 750,000			750,000
Interest rate	6.25%
Senior Notes Due 2034 \| Unsecured Debt
Line of Credit Facility [Line Items]
Long-term debt, gross	$ 750,000			0
Interest rate	600.00%		6.00%
Letter of Credit \| Credit Agreement
Line of Credit Facility [Line Items]
Long-term debt, gross	$ 939,000			398,000
Line of Credit \| San Mateo Credit Facility
Line of Credit Facility [Line Items]
Long-term debt, gross	$ 911,000			$ 883,000