GOODWILL AND OTHER INTANGIBLE ASSETS - Summary of Other Intangible Assets and Related Accumulated Amortization (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Gross carrying amount of other intangibles:
Acquisition intangibles, gross	$ 1,532,211	$ 1,497,012
Accumulated amortization	(603,341)	(494,848)
Total other intangibles, net	928,870	1,002,164
Customer related intangibles
Gross carrying amount of other intangibles:
Acquisition intangibles, gross	1,015,919	990,545
Accumulated amortization	(263,672)	(209,501)
Acquired software
Gross carrying amount of other intangibles:
Acquisition intangibles, gross	466,253	456,137
Accumulated amortization	(296,704)	(260,642)
Trade names
Gross carrying amount of other intangibles:
Acquisition intangibles, gross	45,002	45,293
Accumulated amortization	(38,838)	(21,059)
Leases acquired
Gross carrying amount of other intangibles:
Acquisition intangibles, gross	5,037	5,037
Accumulated amortization	$ (4,127)	$ (3,646)