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No definition available.

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Amount, after accumulated amortization, of debt premium.

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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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DEBT - Senior Unsecured Notes (Details) - USD ($)	Dec. 31, 2019	Oct. 07, 2019	May 29, 2019	Dec. 31, 2018	Aug. 17, 2017	Jan. 23, 2014	May 23, 2013
Debt Instrument [Line Items]
Deferred financing costs, net	$ 21,313,000
5.5% senior unsecured notes due 2021 (“2021 Notes”)
Debt Instrument [Line Items]
Principal balance	$ 0			$ 500,000,000
Interest rate	5.50%					5.50%
5.375% senior unsecured notes due 2023 (“2023 Notes”)
Debt Instrument [Line Items]
Principal balance	$ 0			200,000,000
Interest rate	5.375%						5.375%
5.125% senior unsecured notes due 2026 (“2026 Notes”)
Debt Instrument [Line Items]
Principal balance	$ 500,000,000			500,000,000
Interest rate	5.125%				5.125%
5.38% senior unsecured notes due 2027 (“2027 Notes”)
Debt Instrument [Line Items]
Principal balance	$ 100,000,000			100,000,000
Interest rate	5.38%				5.38%
Senior Notes
Debt Instrument [Line Items]
Principal balance	$ 1,250,000,000			1,300,000,000
Premium, net	7,600,000			14,500,000
Deferred financing costs, net	8,839,000			7,100,000
Senior Notes \| 4.80% senior unsecured notes due 2024 (“2024 Notes”)
Debt Instrument [Line Items]
Principal balance	$ 300,000,000			0
Interest rate	4.80%		4.80%
Senior Notes \| 3.90% senior unsecured notes due 2029 (“2029 Notes”)
Debt Instrument [Line Items]
Principal balance	$ 350,000,000			$ 0
Interest rate	3.90%	3.90%