CONSOLIDATED STATEMENTS OF OPERATIONS PARENTHETICALS (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Property operating expenses from related parties	$ 11	$ 6	$ 54	$ 8
General and administrative from related parties	57	52	257	167
Interest income from related parties	$ 972	$ 543	$ 3,868	$ 1,560

The amount of property operating expenses from related parties during the period.

No definition available.

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