FINANCING RECEIVABLES (Allowance for Credit Losses) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Balance, beginning of period	$ 29	$ 17,360	$ 135	$ 16,990
Provision for (reversal) of credit losses	(102)	276	7	678
(Charge-offs)	(82)	31	(324)	(1)
Recoveries	206		233
Balance, end of period	51	17,667	51	17,667
Ending balance, individually evaluated for impairment	51	17,667	51	17,667
Ending balance, collectively evaluated for impairment	0	0	0	0
Ending balance, individually evaluated for impairment	23,970		23,970		$ 26,667
Ending balance, collectively evaluated for impairment	196		196		206
Total	24,166		24,166		26,873
Receivables from Managed Entities
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Balance, beginning of period	0	17,359	0	16,990
Provision for (reversal) of credit losses	0	306	0	675
(Charge-offs)	0	0	0	0
Recoveries	0		0
Balance, end of period	0	17,665	0	17,665
Ending balance, individually evaluated for impairment	0	17,665	0	17,665
Ending balance, collectively evaluated for impairment	0	0	0	0
Ending balance, individually evaluated for impairment	23,970		23,970		26,667
Ending balance, collectively evaluated for impairment	0		0		0
Total	23,970		23,970		26,667
Leases and Loans
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Balance, beginning of period	20	0	130	0
Provision for (reversal) of credit losses	(94)	(31)	11	1
(Charge-offs)	(82)	31	(324)	(1)
Recoveries	206		233
Balance, end of period	50	0	50	0
Ending balance, individually evaluated for impairment	50	0	50	0
Ending balance, collectively evaluated for impairment	0	0	0	0
Rent Receivables
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Balance, beginning of period	9	1	5	0
Provision for (reversal) of credit losses	(8)	1	(4)	2
(Charge-offs)		0		0
Recoveries	0		0
Balance, end of period	1	2	1	2
Ending balance, individually evaluated for impairment	1	2	1	2
Ending balance, collectively evaluated for impairment	0	$ 0	0	$ 0
Ending balance, individually evaluated for impairment	0		0		0
Ending balance, collectively evaluated for impairment	196		196		206
Total	$ 196		$ 196		$ 206