2. Investment in Local Partnerships: Capital Contributions (Details)	Sep. 29, 2018 USD ($)
Details
Capital contributions in the aggregate	$ 29,384,966

Represents the monetary amount of Capital contributions in the aggregate, as of the indicated date.

No definition available.

Name:	fil_CapitalContributionsInTheAggregate
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant