Name:	sblk_ContractualObligation1
Namespace Prefix:	sblk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of contractual obligation to be paid at five years. Excludes interim and annual periods when interim periods are reported from current statement of financial position date.

No definition available.

Name:	sblk_ContractualObligationDueInFifthYear1
Namespace Prefix:	sblk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of contractual obligation to be paid at four years. Excludes interim and annual periods when interim periods are reported from current statement of financial position date.

No definition available.

Name:	sblk_ContractualObligationDueInFourthYear1
Namespace Prefix:	sblk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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.

No definition available.

Name:	sblk_ContractualObligationDueInNextTwelveMonths1
Namespace Prefix:	sblk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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.

No definition available.

Name:	sblk_ContractualObligationDueInSecondYear1
Namespace Prefix:	sblk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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.

No definition available.

Name:	sblk_ContractualObligationDueInThirdYear1
Namespace Prefix:	sblk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of contractual obligation to be paid after five years. Excludes interim and annual periods when interim periods are reported from current statement of financial position date.

No definition available.

Name:	sblk_ContractualObligationDueThereafter
Namespace Prefix:	sblk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Future minimum rental payments in aggregate as of the balance sheet date under operating leases.

No definition available.

Name:	sblk_OperatingLeasesFutureMinimumPaymentsReceivable1
Namespace Prefix:	sblk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Future rental payments receivable within one year of the balance sheet date under an operating lease.

No definition available.

Name:	sblk_OperatingLeasesFutureMinimumPaymentsReceivableCurrent1
Namespace Prefix:	sblk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Future rental payments receivable within the fifth year from the balance sheet date under an operating lease.

No definition available.

Name:	sblk_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears1
Namespace Prefix:	sblk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Future rental payments receivable within the fourth year from the balance sheet date under an operating lease.

No definition available.

Name:	sblk_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears1
Namespace Prefix:	sblk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Future rental payments receivable within the third year from the balance sheet date under an operating lease.

No definition available.

Name:	sblk_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears1
Namespace Prefix:	sblk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Future rental payments receivable within the second year from the balance sheet date under an operating lease.

No definition available.

Name:	sblk_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears1
Namespace Prefix:	sblk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Future rental payments receivable after the fifth year from the balance sheet date under an operating lease.

No definition available.

Name:	sblk_OperatingLeasesFutureMinimumPaymentsReceivableThereafter1
Namespace Prefix:	sblk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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.

No definition available.