v3.25.2
Basis of Presentation and General information, Consolidated Subsidiaries (Details)
 6 Months Ended
Jun. 30, 2025
t
Subsidiaries in Consolidation [Abstract]  
DWT 700,000
M/V Magic P [Member]  
Subsidiaries in Consolidation [Abstract]  
DWT 76,453
Year built 2004
Delivery date to Castor 2017-02
M/V Magic Thunder [Member]  
Subsidiaries in Consolidation [Abstract]  
DWT 83,375
Year built 2011
Delivery date to Castor 2021-04
M/V Magic Starlight [Member]  
Subsidiaries in Consolidation [Abstract]  
DWT 81,048
Year built 2015
Delivery date to Castor 2021-05
M/V Magic Pluto [Member]  
Subsidiaries in Consolidation [Abstract]  
DWT 74,940
Year built 2013
Delivery date to Castor 2021-08
M/V Magic Perseus [Member]  
Subsidiaries in Consolidation [Abstract]  
DWT 82,158
Year built 2013
Delivery date to Castor 2021-08
M/V Magic Mars [Member]  
Subsidiaries in Consolidation [Abstract]  
DWT 76,822
Year built 2014
Delivery date to Castor 2021-09
M/V Magic Celeste [Member]  
Subsidiaries in Consolidation [Abstract]  
DWT 63,310
Year built 2015
Delivery date to Castor 2024-08
M/V Magic Ariel [Member]  
Subsidiaries in Consolidation [Abstract]  
DWT 81,845
Year built 2020
Delivery date to Castor 2024-10
M/V Raphaela [Member]  
Subsidiaries in Consolidation [Abstract]  
DWT 26,811
Year built 2008
Delivery date to Castor 2024-10
Spetses Shipping Co. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Vessel name M/V Magic P
Liono Shipping Co. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Vessel name M/V Magic Thunder
Mulan Shipping Co. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Vessel name M/V Magic Starlight
Songoku Shipping Co. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Vessel name M/V Magic Pluto
Asterix Shipping Co. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Vessel name M/V Magic Perseus
Johnny Bravo Shipping Co. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Vessel name M/V Magic Mars
Aladdin Shipping Co. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Vessel name M/V Magic Celeste
Ariel Shipping Co. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Vessel name M/V Magic Ariel
Yogi Bear Shipping Co. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Vessel name M/V Raphaela
Containco Shipping Inc. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Thalvora Holdings GmbH. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 2M
Castor Maritime SCR Corp. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Bagheera Shipping Co. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Luffy Shipping Co. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Kabamaru Shipping Co. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Bistro Maritime Co. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Garfield Shipping Co. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Pikachu Shipping Co. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Jumaru Shipping Co. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Pumba Shipping Co. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Snoopy Shipping Co. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Super Mario Shipping Co. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Stewie Shipping Co. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Pocahontas Shipping Co. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Cinderella Shipping Co. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Mickey Shipping Co. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Jerry Shipping Co. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Tom Shipping Co. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Indigo Global Corp. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Caster Maritime Finance Inc. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Castor CSI Corp. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
Thalvora Enterprises Inc. [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation 1T
MPCC CSI LTD [Member]  
Subsidiaries in Consolidation [Abstract]  
Country of incorporation G4