OPERATING SEGMENTS AND GEOGRAPHIC INFORMATION (Information Related To Reportable Operating Business Segments) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Total consolidated revenues	$ 3,554,985	$ 2,313,416	$ 1,385,951
Income from operations	850,756	683,064	214,124
Foreign currency gains (losses), net	3,228	(140)	(1,128)
Interest income	1,020	775	215
Interest expense	(136,158)	(21,647)	(6,742)
Other income (expense), net	(338)	1,797	510
Income before income taxes	718,508	663,849	206,979
Total consolidated depreciation and amortization	39,229	31,976	27,619
Total property and equipment, net	181,529	108,398
United States
Segment Reporting Information [Line Items]
Total consolidated revenues	2,438,923	1,507,482	802,952
Total property and equipment, net	148,078	80,613
International
Segment Reporting Information [Line Items]
Total consolidated revenues	1,116,062	805,934	582,999
Total property and equipment, net	33,451	27,785
Total Crocs Brand
Segment Reporting Information [Line Items]
Total consolidated revenues	2,659,125	2,313,416	1,385,951
HEYDUDE Brand (1)
Segment Reporting Information [Line Items]
Total consolidated revenues	895,860	0	0
Reportable Operating Segments
Segment Reporting Information [Line Items]
Income from operations	852,025	861,394	329,423
Reportable Operating Segments | Total Crocs Brand
Segment Reporting Information [Line Items]
Total consolidated revenues	2,659,125	2,313,416	1,385,951
Income from operations	852,025	861,394	329,423
Total consolidated depreciation and amortization	18,877	16,931	13,869
Reportable Operating Segments | North America
Segment Reporting Information [Line Items]
Total consolidated revenues	1,644,630	1,553,891	832,540
Income from operations	683,350	755,723	313,913
Total consolidated depreciation and amortization	10,804	7,669	3,453
Reportable Operating Segments | Asia Pacific
Segment Reporting Information [Line Items]
Total consolidated revenues	473,935	350,160	278,515
Income from operations	145,011	71,936	32,830
Total consolidated depreciation and amortization	2,113	1,629	1,138
Reportable Operating Segments | EMEALA
Segment Reporting Information [Line Items]
Total consolidated revenues	540,534	409,278	274,733
Income from operations	153,976	134,126	75,513
Total consolidated depreciation and amortization	3,221	1,806	805
Reportable Operating Segments | HEYDUDE Brand (1)
Segment Reporting Information [Line Items]
Total consolidated revenues	895,860	0	0
Income from operations	211,361	0	0
Total consolidated depreciation and amortization	12,248	0	0
Brand corporate | Brand corporate (2)
Segment Reporting Information [Line Items]
Total consolidated revenues	26	87	163
Income from operations	(130,312)	(100,391)	(92,833)
Total consolidated depreciation and amortization	2,739	5,827	8,473
Enterprise corporate
Segment Reporting Information [Line Items]
Income from operations	(212,630)	(178,330)	(115,299)
Total consolidated depreciation and amortization	$ 8,104	$ 15,045	$ 13,750