FINANCING RECEIVABLES (Allowance for Credit Losses) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Balance, beginning of period	$ 17,667	$ 39,030	$ 16,990	$ 36,243	$ 36,243
Provision for (reversal) of credit losses	(400)	559	278	3,342
(Charge-offs) recoveries	(17,263)	(7,062)	(17,264)	(7,058)
Balance, end of period	4	32,527	4	32,527	16,990
Ending balance, individually evaluated for impairment	4	32,522	4	32,522
Ending balance, collectively evaluated for impairment	0	5	0	5
Ending balance, individually evaluated for impairment	25,138		25,138		47,293
Ending balance, collectively evaluated for impairment	164		164		88
Balance, end of period	25,302		25,302		47,381
Receivables from Managed Entities [Member]
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Balance, beginning of period	17,665	39,028	16,990	36,229	36,229
Provision for (reversal) of credit losses	(402)	520	273	3,321
(Charge-offs) recoveries	(17,263)	(7,028)	(17,263)	(7,030)
Balance, end of period	0	32,520	0	32,520	16,990
Ending balance, individually evaluated for impairment	0	32,520	0	32,520
Ending balance, collectively evaluated for impairment	0	0	0	0
Ending balance, individually evaluated for impairment	25,138		25,138		47,293
Ending balance, collectively evaluated for impairment	0		0		0
Balance, end of period	25,138		25,138		47,293
Leases and Loans [Member]
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Balance, beginning of period	0	0	0	0	0
Provision for (reversal) of credit losses	0	30	1	25
(Charge-offs) recoveries	0	(28)	(1)	(23)
Balance, end of period	0	2	0	2	0
Ending balance, individually evaluated for impairment	0	2	0	2
Ending balance, collectively evaluated for impairment	0	0	0	0
Rent Receivables [Member]
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Balance, beginning of period	2	2	0	14	14
Provision for (reversal) of credit losses	2	9	4	(4)
(Charge-offs) recoveries	0	(6)	0	(5)
Balance, end of period	4	5	4	5	0
Ending balance, individually evaluated for impairment	4	0	4	0
Ending balance, collectively evaluated for impairment	0	$ 5	0	$ 5
Ending balance, individually evaluated for impairment	0		0		0
Ending balance, collectively evaluated for impairment	164		164		88
Balance, end of period	$ 164		$ 164		$ 88