XML 119 R98.htm IDEA: XBRL DOCUMENT v3.22.4

Segment information (Details)	Dec. 31, 2021
Segment Reporting [Abstract]
Number of segment	2

X

- References

No definition available.

+ Details

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

X

- Definition

Number of segments.

+ References

No definition available.

+ Details

Name:	ygmz_NumberOfSegments
Namespace Prefix:	ygmz_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant