Cash Flow Information (Details 1) (USD $) In Thousands, unless otherwise specified			3 Months Ended								3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 Real Estate	Mar. 31, 2013 Real Estate	Mar. 31, 2014 Finance Leases	Mar. 31, 2013 Finance Leases	Mar. 31, 2014 Assets held-for-sale	Mar. 31, 2013 Assets held-for-sale	Mar. 31, 2014 Equity Securities	Mar. 31, 2013 Equity Securities	Mar. 31, 2014 Real Estate	Mar. 31, 2013 Real Estate
Noncash or Part Noncash Activity
Reclassification to real estate owned			$ 6,184	$ 5,586			$ 1,347	$ 1,505
Reclassification from real estate					(6,184)	(5,586)					(1,347)	(1,505)
Distributions payable	$ 90,079	$ 67,746							$ 90,079	$ 57,128