Vessels, textuals 2 (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Property Plant And Equipment [Abstract]
Collateral vessels carrying amount	$ 201,228

The carrying amount, as of the date of the latest financial statement presented, of vessels that are pledged as collateral for the repayment of the related debt obligation

No definition available.

Name:	dcix_PropertyPlantAndEquipmentCollateralForDebt
Namespace Prefix:	dcix_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant