Allowance for Finance Receivable Losses (Details) (USD $)	1 Months Ended	3 Months Ended								11 Months Ended	12 Months Ended		11 Months Ended		1 Months Ended	12 Months Ended			11 Months Ended	1 Months Ended	12 Months Ended			11 Months Ended	1 Months Ended	12 Months Ended		11 Months Ended		11 Months Ended
	Dec. 31, 2010	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Nov. 30, 2010	Dec. 31, 2012	Dec. 31, 2011	Nov. 30, 2010 Predecessor company	Jan. 02, 2010 Predecessor company item	Dec. 31, 2010 Personal Loans	Dec. 31, 2012 Personal Loans	Dec. 31, 2011 Personal Loans	Dec. 31, 2009 Personal Loans	Nov. 30, 2010 Personal Loans Predecessor company	Dec. 31, 2010 Retail Sales Finance	Dec. 31, 2012 Retail Sales Finance	Dec. 31, 2011 Retail Sales Finance	Dec. 31, 2009 Retail Sales Finance	Nov. 30, 2010 Retail Sales Finance Predecessor company	Dec. 31, 2010 Real Estate Loans	Dec. 31, 2012 Real Estate Loans	Dec. 31, 2011 Real Estate Loans	Nov. 30, 2010 Real Estate Loans Predecessor company	Dec. 31, 2011 Other	Nov. 30, 2010 Other Predecessor company
Changes in the allowance for finance receivable losses by finance receivable type
Balance at beginning of period					$ 72,000,000				$ 7,120,000	$ 1,516,298,000	$ 72,000,000	$ 7,120,000	$ 1,516,298,000			$ 39,522,000	$ 4,111,000	$ 288,420,000	$ 288,420,000		$ 1,007,000	$ 56,000	$ 288,420,000	$ 63,621,000		$ 31,471,000	$ 2,953,000	$ 1,160,743,000		$ 3,514,000
Provision for finance receivable losses	38,705,000	110,173,000	90,836,000	69,412,000	67,182,000	104,911,000	81,379,000	89,305,000	56,726,000	444,273,000	337,603,000	332,321,000	444,273,000		9,843,000	114,288,000	105,811,000		69,578,000	3,293,000	11,061,000	14,821,000		38,115,000	25,569,000	212,254,000	211,689,000	336,046,000		534,000
Charge-offs	(36,138,000)										(281,285,000)	(327,817,000)	(650,236,000)		(8,546,000)	(119,383,000)	(105,219,000)		(199,718,000)	(4,260,000)	(20,035,000)	(25,861,000)		(82,388,000)	(23,332,000)	(141,867,000)	(196,737,000)	(368,419,000)		289,000
Recoveries	4,553,000										53,119,000	60,376,000	57,246,000		2,814,000	33,260,000	34,819,000		34,437,000	1,023,000	10,421,000	11,991,000		11,960,000	716,000	9,438,000	13,566,000	10,782,000		67,000
Transfers to finance receivables held for sale											(1,301,000)					(1,107,000)					(194,000)
Amount of allowance for finance receivable losses included in contribution of subsidiaries										16,187,000			16,187,000	16,200,000					3,575,000					3,743,000				8,869,000
Amount of allowance for finance receivable losses associated with securitizations		10,000,000				2,100,000					10,000,000	2,100,000
Balance at end of period	7,120,000	180,136,000				72,000,000					180,136,000	72,000,000	1,383,768,000		4,111,000	66,580,000	39,522,000	288,420,000	196,292,000	56,000	2,260,000	1,007,000	288,420,000	35,051,000	2,953,000	111,296,000	31,471,000	1,148,021,000		4,404,000
Net finance receivables		11,696,727,000				13,016,119,000				14,327,857,000	11,696,727,000	13,016,119,000				2,649,732,000	2,682,011,000				208,357,000	369,802,000				8,838,638,000	9,843,878,000		120,428,000
Transfers to finance receivables held for sale which have a specific allowance					77,800,000
Recoveries as a result of a settlement of claims relating to the entity's February 2008 purchase of Equity One, Inc. consumer branch finance receivable portfolio												5,000,000					1,900,000					200,000					2,900,000
Number of wholly-owned subsidiaries contributed														2
Net charge-offs on non-credit impaired finance receivables											166,700,000	203,800,000
Net charge-offs on credit impaired finance receivables											$ 38,300,000	$ 109,500,000