SUPPLEMENTAL CASH FLOW INFORMATION - Supplemental Cash Flow Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Cash paid for:
Interest on borrowings			$ 76,975	$ 93,373
Income tax			6,427	3,508
Non-cash investing and financing activities:
Additions to other real estate owned			19,313	54,937
Additions to auto repossesions			69,409	52,146
Loan securitizations			144,569	300,241
Capitalization of servicing assets	1,075	2,653	3,144	6,467
Loans held for investment transferred to held for sale			0	181,620
Exchange Of Preferred Stock Series For Common Stock Net	26,022		26,022
Value Of Common Stock Issued In Exchange For Preferred Stock Series	$ 24,363		$ 24,363