FINANCING RECEIVABLES (Allowance for Credit Losses) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Allowance for losses at beginning of period	$ 37,451	$ 32,960	$ 36,243	$ 32,628
Provision for credit losses	1,575	1,647	2,783	1,985
Charge-offs	(1)	1	(2)	(24)
Recoveries	5	8	6	27
Allowance for losses at end of period	39,030	34,616	39,030	34,616
Ending balance, individually evaluated for impairment	39,028	34,587	39,028	34,587
Ending balance, collectively evaluated for impairment	2	29	2	29
Allowance for losses at end of period	39,030	34,616	39,030	34,616
Ending balance, individually evaluated for impairment	71,614		71,614		67,152
Ending balance, collectively evaluated for impairment	100		100		91
Balance, end of period	71,714		71,714		67,243
Receivables from Managed Entities [Member]
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Allowance for losses at beginning of period	37,441	32,906	36,229	32,560
Provision for credit losses	1,588	1,677	2,801	2,007
Charge-offs	(1)	0	(2)	0
Recoveries	0	4	0	20
Allowance for losses at end of period	39,028	34,587	39,028	34,587
Ending balance, individually evaluated for impairment	39,028	34,587	39,028	34,587
Ending balance, collectively evaluated for impairment	0	0	0	0
Allowance for losses at end of period	39,028	34,587	39,028	34,587
Ending balance, individually evaluated for impairment	71,614		71,614		67,152
Ending balance, collectively evaluated for impairment	0		0		0
Balance, end of period	71,614		71,614		67,152
Leases and Loans [Member]
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Allowance for losses at beginning of period	0	0	0	0
Provision for credit losses	(5)	(4)	(6)	(7)
Charge-offs	0	0	0	0
Recoveries	5	4	6	7
Allowance for losses at 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
Allowance for losses at end of period	0	0	0	0
Rent Receivables [Member]
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Allowance for losses at beginning of period	10	54	14	68
Provision for credit losses	(8)	(26)	(12)	(15)
Charge-offs	0	1	0	(24)
Recoveries	0	0	0	0
Allowance for losses at end of period	2	29	2	29
Ending balance, individually evaluated for impairment	0	0	0	0
Ending balance, collectively evaluated for impairment	2	29	2	29
Allowance for losses at end of period	2	29	2	29
Ending balance, individually evaluated for impairment	0		0		0
Ending balance, collectively evaluated for impairment	100		100		91
Balance, end of period	$ 100		$ 100		$ 91