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NON-CURRENT ASSETS - LOAN TO A RELATED PARTY (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Debt Disclosure [Abstract]
Loan to a related party, gross	$ 6,483	$ 6,291
Allowance for expected credit losses	(319)	(319)
Loan to a related party	$ 6,164	$ 5,972

X

- References

No definition available.

+ Details

Name:	DTCK_LoanToARelatedParty
Namespace Prefix:	DTCK_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	DTCK_LoansAndLeasesReceivableRelatedPartiesGross
Namespace Prefix:	DTCK_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of allowance for credit loss on financing receivable, classified as noncurrent.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-4

+ Details

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

X

- References

No definition available.

+ Details

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