Related party transactions (Details) (USD $) In Thousands	Pillar	ARL	Total.
Related party receivable at Dec. 31, 2013		$ 52,380	$ 52,380
Cash transfers	42,266		42,266
Advisory fees	(5,490)		(5,490)
Net income fee	(514)		(514)
Fees and commissions	(1,571)		(1,571)
Cost reimbursements	(1,978)		(1,978)
Interest (to) from advisor		2,085	2,085
Notes receivable purchased	(19,915)		(19,915)
Expenses paid by advisor	(3,780)		(3,780)
Financing (mortgage payments)	(2,559)		(2,559)
Sales/purchases transactions	7,329		7,329
Series K preferred stock cancellation	270		270
Purchase of obligations	(14,058)	16,601	2,543
Related party receivable, at Sep. 30, 2014		$ 71,066	$ 71,066