Operating Segments Information Reconciliation With Consolidated Balance Sheets (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Operating Segments information reconciliation with Consolidated Balance Sheets
Segment assets	$ 686,021fil_SegmentAssets1	$ 638,186fil_SegmentAssets1
Assets held for sale.		37,632fil_AssetsHeldForSale1
Investments in real estate partnerships	1,714fil_InvestmentsInRealEstatePartnerships	1,824fil_InvestmentsInRealEstatePartnerships
Notes and interest receivables	88,751fil_NotesAndInterestReceivables	61,769fil_NotesAndInterestReceivables
Other assets.	141,350fil_OtherAssets1	160,993fil_OtherAssets1
Total assets	$ 917,836fil_TotalAssets	$ 900,404fil_TotalAssets

Represents the sum of the carrying value of all the Assets Held-for-Sale at the segment reporting

No definition available.

Name:	fil_AssetsHeldForSale1
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Investments in real estate partnerships of segment reporting

+ References

No definition available.

+ Details

Name:	fil_InvestmentsInRealEstatePartnerships
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Notes and interest receivables of segment reporting

+ References

No definition available.

+ Details

Name:	fil_NotesAndInterestReceivables
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	fil_OperatingSegmentsReconcilesInformationToTheConsolidatedBalanceSheetsDetailsAbstract
Namespace Prefix:	fil_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The aggregate carrying amounts, as of the balance sheet date, of assets not separately disclosed in the segment reporting

+ References

No definition available.

+ Details

Name:	fil_OtherAssets1
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of net assets (total assets less total liabilities) attributed to the reportable segment.

+ References

No definition available.

+ Details

Name:	fil_SegmentAssets1
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

No definition available.

+ Details

Name:	fil_TotalAssets
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration