Other Operating Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Other Real Estate Operating Revenue
Property operating agreement guaranty revenue	$ 1,185	$ 1,824	$ 2,428	$ 3,799
Interest income on notes receivable	100	136	240	371
Management fee income	37	38	79	76
Other	52	49	399	99
Other Operating Income	$ 1,374	$ 2,047	$ 3,146	$ 4,345