Line of Credit Facility, Accordion Feature, Increase

No definition available.

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Namespace Prefix:	crox_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit Facility, Accordion Feature, Increase Limit

+ References

No definition available.

+ Details

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Namespace Prefix:	crox_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit Facility, Covenant Terms, Maximum Leverage Coverage Ratio

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Line of Credit Facility, Covenant Terms, Minimum Borrowing Capacity Available

+ References

No definition available.

+ Details

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Namespace Prefix:	crox_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit Facility, Covenant Terms, Minimum Interest Coverage Ratio

+ References

No definition available.

+ Details

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Namespace Prefix:	crox_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Balance Type:
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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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REVOLVING CREDIT FACILITIES AND BANK BORROWINGS (Senior Revolving Credit Facility) (Details) - Revolving credit facilities	1 Months Ended	3 Months Ended	12 Months Ended
	Jul. 31, 2019 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Revolving Credit Facilities and Bank Borrowings
Borrowings outstanding		$ 350,000,000	$ 205,000,000
Senior Revolving Credit Facility
Revolving Credit Facilities and Bank Borrowings
Commitments available under credit facility	$ 450,000,000.0	500,000,000.0
Increase to the total commitments available under Credit Agreement		50,000,000.0
Borrowing capacity under revolving credit facility		500,000,000.0
Additional borrowing under credit agreement		$ 100,000,000.0
Minimum interest coverage ratio		4.00
Minimum borrowing availability for certain acquisitions		$ 40,000,000.0
Borrowings outstanding		350,000,000.0
Outstanding letters of credit		4,600,000
Available borrowing capacity		$ 145,400,000	240,400,000
Senior Revolving Credit Facility \| Until September 30, 2020
Revolving Credit Facilities and Bank Borrowings
Maximum leverage coverage ratio		4.00
Senior Revolving Credit Facility \| From December 31, 2020 to December 31, 2021
Revolving Credit Facilities and Bank Borrowings
Maximum leverage coverage ratio		3.50
Senior Revolving Credit Facility \| From March 31, 2022 and thereafter
Revolving Credit Facilities and Bank Borrowings
Maximum leverage coverage ratio		3.25
Senior Revolving Credit Facility \| Federal Funds Open Rate
Revolving Credit Facilities and Bank Borrowings
Margin on variable rate (percent)		0.25%
Senior Revolving Credit Facility \| Daily LIBOR
Revolving Credit Facilities and Bank Borrowings
Margin on variable rate (percent)		1.00%
Senior Revolving Credit Facility \| Base Rate \| Minimum
Revolving Credit Facilities and Bank Borrowings
Margin on variable rate (percent)	0.25%
Senior Revolving Credit Facility \| Base Rate \| Maximum
Revolving Credit Facilities and Bank Borrowings
Margin on variable rate (percent)	0.875%
Senior Revolving Credit Facility \| LIBOR \| Minimum
Revolving Credit Facilities and Bank Borrowings
Margin on variable rate (percent)	1.25%
Senior Revolving Credit Facility \| LIBOR \| Maximum
Revolving Credit Facilities and Bank Borrowings
Margin on variable rate (percent)	1.875%
Asia Pacific Revolving Credit Facility
Revolving Credit Facilities and Bank Borrowings
Borrowings outstanding		$ 0	0
Borrowings from credit facility		$ 0	$ 0