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Notes and interest receivable from Unified Housing Foundation Inc, (Details) (USD $)	12 Months Ended
	Dec. 31, 2012
Notes and interest receivable from Unified Housing	$ 27,000,000
Recognized interest income relatd to the notes receivable	2,500,000
Repayment of notes by Unified Housing	$ 3,000,000

X

- Definition

Total amount of notes and interest receivable due from related parties as of the balance sheet date.

+ References

No definition available.

+ Details

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

X

- Definition

Total amount of interest income recognized from the related party notes receivable as of the balance sheet date.

+ References

No definition available.

+ Details

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

X

- Definition

The amount received from a related party to pay off a note receivable and accrued interest during the current period.

+ References

No definition available.

+ Details

Name:	fil_RepaymentOfNotesByUnifiedHousing
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration