SENIOR NOTES PAYABLE - Schedule of senior notes payable, net (Details) - Senior Notes - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Senior notes payable	$ 1,648,123	$ 1,628,049
Less: Unamortized debt issuance costs	(20,474)	(21,489)
Senior notes payable, net	1,627,649	1,606,560
6.750% Senior notes due May 31, 2024
Debt Instrument [Line Items]
Senior notes payable	$ 111,287	111,170
Interest rate	6.75%
6.500% Senior notes due September 30, 2026
Debt Instrument [Line Items]
Senior notes payable	$ 179,783	178,787
Interest rate	6.50%
6.375% Senior notes due February 28, 2025
Debt Instrument [Line Items]
Senior notes payable	$ 144,521	144,521
Interest rate	6.375%
6.000% Senior notes due January 31, 2028
Debt Instrument [Line Items]
Senior notes payable	$ 266,058	259,347
Interest rate	6.00%
5.500% Senior notes due March 31, 2026
Debt Instrument [Line Items]
Senior notes payable	$ 216,277	214,243
Interest rate	5.50%
5.250% Senior notes due August 31, 2028
Debt Instrument [Line Items]
Senior notes payable	$ 405,483	397,302
Interest rate	5.25%
5.000% Senior notes due December 31, 2026
Debt Instrument [Line Items]
Senior notes payable	$ 324,714	$ 322,679
Interest rate	5.00%

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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