GOODWILL AND OTHER INTANGIBLE ASSETS - Changes in Net Carrying Amount of Contracts and Related Customer Relationships (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Finite-lived Intangible Assets [Roll Forward] | ||||
| Balance as of beginning of period | $ 3,484,996 | |||
| Amortization | $ (160,342) | $ (154,593) | (320,395) | $ (309,269) |
| Balance as of end of period | 3,473,674 | 3,473,674 | ||
| Contracts and related customer relationships | ||||
| Finite-lived Intangible Assets [Roll Forward] | ||||
| Balance as of beginning of period | 2,742,562 | |||
| Customer contract additions, net of dealer charge-backs | 241,143 | |||
| Amortization | (276,846) | |||
| Balance as of end of period | $ 2,708,859 | $ 2,708,859 | ||
| Acquired finite-lived intangible assets, weighted average useful life | 15 years | |||
| Customer Relationships | ||||
| Finite-lived Intangible Assets [Roll Forward] | ||||
| Customer contract additions, net of dealer charge-backs | $ 2,000 | |||