It represents Maximum debt instrument interest rate during period.

No definition available.

Name:	ictsf_MaximumDebtInstrumentInterestRateDuringPeriod
Namespace Prefix:	ictsf_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

It represents minimum debt instrument interest rate during period.

+ References

No definition available.

+ Details

Name:	ictsf_MinimumDebtInstrumentInterestRateDuringPeriod
Namespace Prefix:	ictsf_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line item represents the financial concepts included in other liabilities table.

+ References

No definition available.

+ Details

Name:	ictsf_OtherLiabilitiesLineItems
Namespace Prefix:	ictsf_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Carrying value as of the balance sheet date of loans from a bank with maturities initially due after one year or beyond the operating cycle if longer, excluding current portion.

+ 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=120391452&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=120398452&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(a)(16)(a)(2))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

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

- Definition

The cash inflow from bank borrowing during the year.

+ 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=123570139&loc=d3e3255-108585

+ Details

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

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

OTHER LIABILITIES (Narrative) (Details) $ in Thousands, ¥ in Millions	1 Months Ended
	Jul. 31, 2020 JPY (¥)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Other Liabilities [Line Items]
Long term loan balances \| $		$ 280	$ 425
Loan from financial institution \| ¥	¥ 50
Term of loan	5 years
Minimum [Member]
Other Liabilities [Line Items]
Minimum interest rate on loan from financial institution	0.21%
Maximum [Member]
Other Liabilities [Line Items]
Maximum interest rate on loan from financial institution	1.10%