GOODWILL AND OTHER INTANGIBLE ASSETS - Intangible assets (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
GOODWILL AND OTHER INTANGIBLE ASSETS
Amortizing intangibles	$ 144,378		$ 144,582
Accumulated amortization	(75,982)		(74,699)
Amortizing intangibles, net	68,396		69,883
Non-amortizing intangibles	1,362,366		1,357,256
Intangibles, net	1,430,762		$ 1,427,139
Amortization expense	$ 1,300	$ 2,000
Minimum
GOODWILL AND OTHER INTANGIBLE ASSETS
Useful life of intangible assets	10 years
Maximum
GOODWILL AND OTHER INTANGIBLE ASSETS
Useful life of intangible assets	15 years

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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