12. COMMITMENTS AND CONTINGENCIES - Schedule of Contractual Future Payments Obligations (Details) $ in Thousands	Mar. 31, 2023 USD ($)
Product Liability Contingency [Line Items]
Remainder of Fiscal Year 2023	$ 18,688
Fiscal 2024	8,707
Fiscal 2025	6,360
Fiscal 2026	839
Fiscal 2027	581
Thereafter	7,344
Total	42,519
Operating Lease [Member]
Product Liability Contingency [Line Items]
Remainder of Fiscal Year 2023	221
Fiscal 2024	452
Fiscal 2025	456
Fiscal 2026	464
Fiscal 2027	376
Thereafter	7,294
Total	9,263
Finance Lease [Member]
Product Liability Contingency [Line Items]
Remainder of Fiscal Year 2023	120
Fiscal 2024	154
Fiscal 2025	22
Fiscal 2026	1
Fiscal 2027	0
Thereafter	0
Total	297
Loans [Member]
Product Liability Contingency [Line Items]
Remainder of Fiscal Year 2023	5,079
Fiscal 2024	8,101
Fiscal 2025	5,882
Fiscal 2026	374
Fiscal 2027	205
Thereafter	50
Total	19,691
Construction in Progress [Member]
Product Liability Contingency [Line Items]
Remainder of Fiscal Year 2023	13,268
Total	$ 13,268

Contractual obligation due after four year.

No definition available.

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

- Definition

Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

+ References

No definition available.

+ Details

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

- Definition

Amount of contractual obligation to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

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

- Definition

Amount of contractual obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

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

- Definition

Amount of contractual obligation to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

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

- Definition

Amount of contractual obligation to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

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

- Definition

Amount of contractual obligation to be paid in remainder of current fiscal year.

+ References

No definition available.

+ Details

Name:	us-gaap_ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear
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

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

- Details

Name:	us-gaap_MajorPropertyClassAxis=clsk_OperatingLeaseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MajorPropertyClassAxis=clsk_FinanceLeaseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MajorPropertyClassAxis=clsk_AutoLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MajorPropertyClassAxis=us-gaap_ConstructionInProgressMember
Namespace Prefix:
Data Type:	na
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Period Type: