Acquisition of Navios Containers - Acquired finite lived intangible (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Mar. 31, 2021
Business Combination and Asset Acquisition [Abstract]
Unfavorable lease terms	$ (224,490)	$ (224,490)

Amount before amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life.

No definition available.

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