Finance Receivables (Details 5) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Nov. 30, 2010
Net finance receivables:
30-59 days past due	$ 241,481	$ 217,521
60-89 days past due	123,262	142,679
90-119 days past due	92,666	109,058
120-149 days past due	73,206	90,035
150-179 days past due	55,682	71,428
180 days or more past due	394,665	409,521
Total past due	980,962	1,040,242
Current	10,715,765	11,975,877
Net finance receivables	11,696,727	13,016,119	14,327,857
Personal Loans
Net finance receivables:
30-59 days past due	39,781	33,110
60-89 days past due	21,683	20,770
90-119 days past due	17,538	16,317
120-149 days past due	14,050	12,965
150-179 days past due	9,613	9,225
180 days or more past due	12,107	11,426
Total past due	114,772	103,813
Current	2,534,960	2,578,198
Net finance receivables	2,649,732	2,682,011
Retail Sales Finance
Net finance receivables:
30-59 days past due	5,197	7,157
60-89 days past due	2,107	4,169
90-119 days past due	1,416	3,543
120-149 days past due	1,171	2,750
150-179 days past due	743	1,716
180 days or more past due	331	883
Total past due	10,965	20,218
Current	197,392	349,584
Net finance receivables	208,357	369,802
Real Estate Loans
Net finance receivables:
30-59 days past due	196,503	175,625
60-89 days past due	99,472	116,635
90-119 days past due	73,712	88,110
120-149 days past due	57,985	73,510
150-179 days past due	45,326	59,861
180 days or more past due	382,227	395,265
Total past due	855,225	909,006
Current	7,983,413	8,934,872
Net finance receivables	8,838,638	9,843,878
Other
Net finance receivables:
30-59 days past due		1,629
60-89 days past due		1,105
90-119 days past due		1,088
120-149 days past due		810
150-179 days past due		626
180 days or more past due		1,947
Total past due		7,205
Current		113,223
Net finance receivables		$ 120,428