LOANS AND ALLOWANCE FOR LOAN LOSSES (Allowance for Credit Losses on Financing Receivables) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Receivables [Abstract]
Balance, beginning of year	$ 137,710	$ 201,033	$ 266,448
Allowance for loan losses allocated to loans sold	0	0	(321)
Allowance for loan losses, net of losses allocated to loans sold	137,710	201,033	266,127
Loans charged-off	(78,070)	(154,627)	(331,196)
Recoveries of loans previously charged-off	29,962	22,304	52,102
Net loans charged-off	(48,108)	(132,323)	(279,094)
Provision for loan losses	2,000	69,000	214,000
Balance, end of year	$ 91,602	$ 137,710	$ 201,033