FINANCING RECEIVABLES (Allowance for Credit Losses) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Balance, beginning of period	$ 32,960	$ 15,572	$ 32,628	$ 12,604
Provision for (reversal of) credit losses	1,647	5,698	1,985	8,660
Charge-offs	1		(24)	0
Recoveries	8	4	27	10
Balance, end of period	34,616	21,274	34,616	21,274
Ending balance, individually evaluated for impairment	34,587	21,249	34,587	21,249
Ending balance, collectively evaluated for impairment	29	25	29	25
Balance, end of period	34,616	21,274	34,616	21,274
Gross financing receivables related to the balance in the allowance for credit losses [Abstract]
Ending balance, individually evaluated for impairment	64,890		64,890		63,178
Ending balance, collectively evaluated for impairment	43		43		112
Balance, end of period	64,933		64,933		63,290
Receivables from Managed Entities [Member]
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Balance, beginning of period	32,906	15,538	32,560	12,575
Provision for (reversal of) credit losses	1,677	5,711	2,007	8,674
Charge-offs	0		0	0
Recoveries	4	0	20	0
Balance, end of period	34,587	21,249	34,587	21,249
Ending balance, individually evaluated for impairment	34,587	21,249	34,587	21,249
Ending balance, collectively evaluated for impairment	0	0	0	0
Balance, end of period	34,587	21,249	34,587	21,249
Gross financing receivables related to the balance in the allowance for credit losses [Abstract]
Ending balance, individually evaluated for impairment	64,890		64,890		63,178
Ending balance, collectively evaluated for impairment	0		0		0
Balance, end of period	64,890		64,890		63,178
Leases and Loans [Member]
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Balance, beginning of period	0	0	0	0
Provision for (reversal of) credit losses	(4)	(4)	(7)	(10)
Charge-offs	0		0	0
Recoveries	4	4	7	10
Balance, end of period	0	0	0	0
Ending balance, individually evaluated for impairment	0	0	0	0
Ending balance, collectively evaluated for impairment	0	0	0	0
Balance, end of period	0	0	0	0
Rent Receivables [Member]
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Balance, beginning of period	54	34	68	29
Provision for (reversal of) credit losses	(26)	(9)	(15)	(4)
Charge-offs	1		(24)	0
Recoveries	0	0	0	0
Balance, end of period	29	25	29	25
Ending balance, individually evaluated for impairment	0	0	0	0
Ending balance, collectively evaluated for impairment	29	25	29	25
Balance, end of period	29	25	29	25
Gross financing receivables related to the balance in the allowance for credit losses [Abstract]
Ending balance, individually evaluated for impairment	0		0		0
Ending balance, collectively evaluated for impairment	43		43		112
Balance, end of period	$ 43		$ 43		$ 112