Receivables Pecentage of Consumer Receivables by State (Details) (Accounts Receivable [Member], Geographic Concentration Risk [Member])	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
California [Member]
Concentration Risk [Line Items]
Concentration risk	9.00%	9.00%
California [Member] | Real estate secured [Member]
Concentration Risk [Line Items]
Concentration risk	9.40%	9.40%
California [Member] | Consumer Loan Excluding Credit Card [Member]
Concentration Risk [Line Items]
Concentration risk	4.30%	4.50%
New York [Member]
Concentration Risk [Line Items]
Concentration risk	7.40%	7.40%
New York [Member] | Real estate secured [Member]
Concentration Risk [Line Items]
Concentration risk	7.40%	7.40%
New York [Member] | Consumer Loan Excluding Credit Card [Member]
Concentration Risk [Line Items]
Concentration risk	6.80%	6.80%
Pennsylvania [Member]
Concentration Risk [Line Items]
Concentration risk	6.30%	6.30%
Pennsylvania [Member] | Real estate secured [Member]
Concentration Risk [Line Items]
Concentration risk	6.30%	6.20%
Pennsylvania [Member] | Consumer Loan Excluding Credit Card [Member]
Concentration Risk [Line Items]
Concentration risk	7.00%	7.00%
Florida [Member]
Concentration Risk [Line Items]
Concentration risk	5.80%	5.80%
Florida [Member] | Real estate secured [Member]
Concentration Risk [Line Items]
Concentration risk	5.80%	5.80%
Florida [Member] | Consumer Loan Excluding Credit Card [Member]
Concentration Risk [Line Items]
Concentration risk	5.80%	5.80%
Ohio [Member]
Concentration Risk [Line Items]
Concentration risk	5.60%	5.60%
Ohio [Member] | Real estate secured [Member]
Concentration Risk [Line Items]
Concentration risk	5.50%	5.50%
Ohio [Member] | Consumer Loan Excluding Credit Card [Member]
Concentration Risk [Line Items]
Concentration risk	6.50%	6.50%
Virginia [Member]
Concentration Risk [Line Items]
Concentration risk	5.10%	5.10%
Virginia [Member] | Real estate secured [Member]
Concentration Risk [Line Items]
Concentration risk	5.30%	5.30%
Virginia [Member] | Consumer Loan Excluding Credit Card [Member]
Concentration Risk [Line Items]
Concentration risk	3.00%	3.10%
Minimum [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage Benchmark by State	5.00%