Consumer Loans Receivable (Details 4)	Sep. 30, 2012
Geographic Concentration of Consumer Loans Receivable in Key States
Portfolio concentration	100.00%
Percent of total loan balance, aging 61 days or more	2.30%
Texas [Member]
Geographic Concentration of Consumer Loans Receivable in Key States
Portfolio concentration	42.20%
Percent of state's loan balance, aging 61 days or more	0.86%
Percent of total loan balance, aging 61 days or more	0.36%
Florida [Member]
Geographic Concentration of Consumer Loans Receivable in Key States
Portfolio concentration	7.20%
Percent of state's loan balance, aging 61 days or more	2.92%
Percent of total loan balance, aging 61 days or more	0.21%
New Mexico [Member]
Geographic Concentration of Consumer Loans Receivable in Key States
Portfolio concentration	6.70%
Percent of state's loan balance, aging 61 days or more	1.87%
Percent of total loan balance, aging 61 days or more	0.12%
Arizona [Member]
Geographic Concentration of Consumer Loans Receivable in Key States
Portfolio concentration	5.90%
Percent of state's loan balance, aging 61 days or more	2.89%
Percent of total loan balance, aging 61 days or more	0.17%
Alabama [Member]
Geographic Concentration of Consumer Loans Receivable in Key States
Portfolio concentration	5.50%
Percent of state's loan balance, aging 61 days or more	1.45%
Percent of total loan balance, aging 61 days or more	0.08%
California [Member]
Geographic Concentration of Consumer Loans Receivable in Key States
Portfolio concentration	2.10%
Percent of state's loan balance, aging 61 days or more	3.33%
Percent of total loan balance, aging 61 days or more	0.07%
All others [Member]
Geographic Concentration of Consumer Loans Receivable in Key States
Portfolio concentration	30.40%
Percent of state's loan balance, aging 61 days or more	4.23%
Percent of total loan balance, aging 61 days or more	1.29%