GOODWILL AND OTHER INTANGIBLES (Finite-lived and Indefinite-lived Intangibles) (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
Net Carrying Amount
Intangibles subject to amortization	$ 720,469		$ 720,469		$ 34,614
Total intangibles	770,469		770,469		34,614
Accumulated Amortization	(324,032)		(324,032)		(291,137)
Amortization of intangibles	20,892	7,118	32,940	14,816
Trade name [Member]
Net Carrying Amount
Intangibles not subject to amortization	50,000		50,000		0
Dealer networks [Member]
Net Carrying Amount
Intangibles subject to amortization	563,661		563,661		0
Accumulated Amortization	(16,339)		(16,339)		0
Chrysler Relationship [Member]
Net Carrying Amount
Intangibles subject to amortization	132,500		132,500		0
Accumulated Amortization	(6,250)		(6,250)		0
Core deposit intangibles [Member]
Net Carrying Amount
Intangibles subject to amortization	14,032		14,032		22,650
Accumulated Amortization	(281,810)		(281,810)		(273,192)
Other Intangibles [Member]
Net Carrying Amount
Intangibles subject to amortization	10,276		10,276		11,964
Accumulated Amortization	$ (19,633)		$ (19,633)		$ (17,945)