XML 46 R39.htm IDEA: XBRL DOCUMENT v3.22.2

Long-term debt and Finance Liability, textual 3 (Details) - Secured Debt [Member] - USD ($)						6 Months Ended
	May 20, 2021	Jun. 27, 2019	Mar. 14, 2019	Jan. 04, 2017	Mar. 30, 2015	Jun. 30, 2022	May 22, 2020
ABN AMRO Bank N.V. [Member]
Debt Instrument [Line Items]
Proceeds From Issuance Of Secured Debt					$ 50,160,000
Debt Instrument, Maturity Date					Mar. 30, 2021
ABN AMRO Bank N.V. [Member] | Term loan facility
Debt Instrument [Line Items]
Debt Instrument, Face Amount							$ 52,885,000
ABN AMRO Bank N.V. [Member] | Sustainability linked loan facility
Debt Instrument [Line Items]
Proceeds From Issuance Of Secured Debt	$ 91,000,000
Debt Instrument, Periodic Payment, Principal	3,390,000
Debt Instrument, Balloon Payment	$ 23,200,000
Debt Instrument, Maturity Date	May 20, 2026
Debt Instrument, Description of Variable Rate Basis	LIBOR
Loan Margin Percentage	2.15%
ABN AMRO Bank N.V. [Member] | First Tranche | Term loan facility
Debt Instrument [Line Items]
Debt Instrument, Periodic Payment, Principal						$ 800,000
Debt Instrument, Balloon Payment						$ 9,000,000
Debt Instrument, Maturity Date						Jun. 28, 2024
Loan Margin Percentage						2.25%
ABN AMRO Bank N.V. [Member] | Second Tranche | Term loan facility
Debt Instrument [Line Items]
Debt Instrument, Frequency of Periodic Payments						quarterly
Debt Instrument, Periodic Payment, Principal						$ 994,000
Debt Instrument, Balloon Payment						$ 13,391,000
Debt Instrument, Maturity Date					Mar. 30, 2021	Jun. 28, 2024
Debt Instrument, Description of Variable Rate Basis						LIBOR
Loan Margin Percentage						2.40%
ABN AMRO Bank N.V. [Member] | Second Agreement [Member]
Debt Instrument [Line Items]
Proceeds From Issuance Of Secured Debt		$ 25,000,000
Debt Instrument, Maturity Date		Jun. 30, 2024
Export-Import Bank of China [Member]
Debt Instrument [Line Items]
Proceeds From Issuance Of Secured Debt				$ 57,240,000
Debt Instrument, Frequency of Periodic Payments						quarterly
Debt Instrument, Periodic Payment, Principal						$ 954,000
Debt Instrument, Maturity Date						Jan. 04, 2032
Debt Instrument, Description of Variable Rate Basis						LIBOR
Loan Margin Percentage						2.30%
DNB Bank ASA [Member]
Debt Instrument [Line Items]
Proceeds From Issuance Of Secured Debt			$ 19,000,000
Debt Instrument, Frequency of Periodic Payments						quarterly
Debt Instrument, Periodic Payment, Principal						$ 477,300
Debt Instrument, Balloon Payment						$ 9,454,000
Debt Instrument, Maturity Date						Mar. 14, 2024
Debt Instrument, Description of Variable Rate Basis						LIBOR
Loan Margin Percentage						2.40%

X

- Definition

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

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Description of reference rate used for variable rate of debt instrument.

+ References

No definition available.

+ Details

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

X

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629

Reference 5: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 55
-Paragraph 69C
-URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612

Reference 6: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 55
-Paragraph 69B
-URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612

+ Details

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

X

- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

+ 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 470
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823

+ Details

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

X

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

X

- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

+ Details

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of the required periodic payments applied to principal.

+ 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

+ Details

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

X

- Definition

Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

+ References

No definition available.

+ Details

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

X

- Definition

The cash inflow from amounts received from issuance of long-term debt that is wholly or partially secured by collateral. Excludes proceeds from tax exempt secured debt.

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

X

- Details

Name:	us-gaap_DebtInstrumentAxis=dsx_AbnAmroBankNvMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=dsx_SustainabilityLinkedLoanFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dsx_StatementsScenarios1Axis=dsx_FirstTrancheMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dsx_StatementsScenarios1Axis=dsx_SecondTrancheMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dsx_StatementsScenarios1Axis=dsx_SecondAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=dsx_ExportImportBankOfChinaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=dsx_DNBBankASAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: