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Property and equipment, net | 6 Months Ended
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Jun. 30, 2022
Property and equipment, net [Abstract] |
Property and equipment, net | 4.Property and Equipment, net The Company owns the land and building of its principal corporate offices in Athens, Greece. Additionally, DSS owns, together with a related party company, another plot of land in the nearby area, acquired for office use. Other assets consist of office furniture and equipment, computer software and hardware and vehicles. The amount reflected in property and equipment, net is analyzed as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Property and | ​ | Accumulated | ​ | ​ | ​
​ |  | Equipment |  | Depreciation |  | Net Book Value
Balance, December 31, 2021 | ​ | $ | 28,269 | ​ | $ | (5,427) | ​ | $ | 22,842
- Additions in property and equipment | ​ |  | 436 | ​ |  | — | ​ |  | 436
- Depreciation for the year | ​ |  | — | ​ |  | (247) | ​ |  | (247)
Balance, June 30, 2022 | ​ | $ | 28,705 | ​ | $ | (5,674) | ​ | $ | 23,031
​

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- References No definition available. + Details
Name: | dsx_PropertyAndEquipmentAbstract
Namespace Prefix: | dsx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Disclosure of the gross amounts and the related depreciation, at the balance sheet date, of long-lived, depreciable assets including land and office building and other assets commonly used in offices. Examples include desks, chairs, and store fixtures, computers and computer software. + References No definition available. + Details
Name: | dsx_PropertyAndEquipmentDisclosureTextBlock
Namespace Prefix: | dsx_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration