FINANCING RECEIVABLES (Allowance for Credit Losses) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Balance, beginning of year	$ 32,628	$ 12,604
Provision for (reversal of) credit losses	338	2,962
Charge-offs	(25)
Recoveries	19	6
Balance, end of period	32,960	15,572
Ending balance, individually evaluated for impairment	32,906	15,538
Ending balance, collectively evaluated for impairment	54	34
Balance, end of period	32,960	15,572
Gross financing receivables related to the balance in the allowance for credit losses [Abstract]
Ending balance, individually evaluated for impairment	62,835		63,178
Ending balance, collectively evaluated for impairment	112		112
Balance, end of period	62,947		63,290
Receivables from Managed Entities [Member]
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Balance, beginning of year	32,560	12,575
Provision for (reversal of) credit losses	330	2,963
Charge-offs	0
Recoveries	16	0
Balance, end of period	32,906	15,538
Ending balance, individually evaluated for impairment	32,906	15,538
Ending balance, collectively evaluated for impairment	0	0
Balance, end of period	32,906	15,538
Gross financing receivables related to the balance in the allowance for credit losses [Abstract]
Ending balance, individually evaluated for impairment	62,835		63,178
Ending balance, collectively evaluated for impairment	0		0
Balance, end of period	62,835		63,178
Leases and Loans [Member]
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Balance, beginning of year	0	0
Provision for (reversal of) credit losses	(3)	(6)
Charge-offs	0
Recoveries	3	6
Balance, end of period	0	0
Ending balance, individually evaluated for impairment	0	0
Ending balance, collectively evaluated for impairment	0	0
Balance, end of period	0	0
Rent Receivables [Member]
Activity in the allowance for credit losses of financing receivables [Roll Forward]
Balance, beginning of year	68	29
Provision for (reversal of) credit losses	11	5
Charge-offs	(25)
Recoveries	0	0
Balance, end of period	54	34
Ending balance, individually evaluated for impairment	0	0
Ending balance, collectively evaluated for impairment	54	34
Balance, end of period	54	34
Gross financing receivables related to the balance in the allowance for credit losses [Abstract]
Ending balance, individually evaluated for impairment	0		0
Ending balance, collectively evaluated for impairment	112		112
Balance, end of period	$ 112		$ 112