FAIR VALUE MEASUREMENTS - Impairments (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Fair Value and Carrying Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of indefinite lived asset				$ 430,000
Goodwill impairment	$ 0	$ 307,000	$ 0	307,000	$ 0
Total asset impairments				738,115	24,081
HEYDUDE, Prepaid Assets
Fair Value and Carrying Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Information technology systems impairment					17,400
HEYDUDE, Intangible Assets
Fair Value and Carrying Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Information technology systems impairment					800
HEYDUDE Brand
Fair Value and Carrying Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Right-of-use assets impairment					5,500
Crocs Brand
Fair Value and Carrying Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Right-of-use assets impairment					400
Level 3 | Fair Value | Fair Value Measurements, Nonrecurring
Fair Value and Carrying Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill impairment	0		0	307,000	0
Information technology systems impairment	0		0	1,115	18,172
Right-of-use assets impairment	0		0	0	5,909
Total asset impairments	0		0	738,115	24,081
HEYDUDE trademark
Fair Value and Carrying Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of indefinite lived asset		$ 430,000
HEYDUDE trademark | Level 3 | Fair Value | Fair Value Measurements, Nonrecurring
Fair Value and Carrying Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of indefinite lived asset	$ 0		$ 0	$ 430,000	$ 0