TAXES (Details Narrative)	12 Months Ended
Sep. 30, 2019
Income Tax Disclosure [Abstract]
Required distribution to be exempt from taxable income	90.00%

Perecnt dividend requirement for estimated taxable income.

No definition available.

Name:	MNR_DividendRequirementForEstimatedTaxableIncome
Namespace Prefix:	MNR_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration